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Chevrolet 2008 T Series Owner's Manual

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2008 Chevrolet T-Series Owner Manual

Seats and Restraint Systems ........................... 1-1

Front Seats

............................................... 1-2

Safety Belts

.............................................. 1-6

Child Restraints

....................................... 1-23

Restraint System Check

Features and Controls ..................................... 2-1

Keys

........................................................ 2-2

Doors and Locks

....................................... 2-3

Windows

.................................................. 2-4

Starting and Operating Your Vehicle

Mirrors

.................................................... 2-33

Storage Areas

......................................... 2-34

Instrument Panel ............................................. 3-1

Instrument Panel Overview

Climate Controls

...................................... 3-17

Warning Lights, Gages, and Indicators

Audio System(s)

....................................... 3-38

Driving Your Vehicle ....................................... 4-1

Your Driving, the Road, and Your Vehicle

Towing

................................................... 4-21

............................ 1-34

............. 2-7

.......................... 3-4

........ 3-20

..... 4-2

Service and Appearance Care .......................... 5-1

Service

..................................................... 5-3

Fuel

......................................................... 5-7

Checking Things Under the Hood

Rear Axle

............................................... 5-51

Cab Tilting

.............................................. 5-52

Noise Control System

Bulb Replacement

Windshield Wiper Blade Replacement

Other Service Items

Tires

...................................................... 5-64

Appearance Care

..................................... 5-75

Vehicle Identiﬁcation

Electrical System

...................................... 5-83

Capacities and Speciﬁcations

Maintenance Replacement Parts

Maintenance Schedule ..................................... 6-1

Maintenance Schedule

Customer Assistance Information .................... 7-1

Customer Assistance and Information

Reporting Safety Defects

Vehicle Data Recording and Privacy

Index ................................................................ 1

M

............... 5-16

............................... 5-59

.................................... 5-60

......... 5-60

.................................. 5-61

................................. 5-83

..................... 5-92

................. 5-95

................................ 6-2

........... 7-2

............................ 7-9

........... 7-11

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Page 1 2008 Chevrolet T-Series Owner Manual Seats and Restraint Systems ......1-1 Service and Appearance Care ......5-1 Front Seats Service ..........1-2 ............. 5-3 Safety Belts Fuel ..........1-6 ............5-7 Child Restraints ........1-23 Checking Things Under the Hood ....
Page 2: Using This Manual
Pictures GENERAL MOTORS, GM, the GM Emblem, and words work together to explain things. CHEVROLET, and the CHEVROLET Emblem are registered trademarks of General Motors Corporation. Index This manual includes the latest information at the time it was printed.
Page 3 Safety Warnings and Symbols We tell you what the hazard is and what to do to help avoid or reduce the hazard. Please read these cautions. If you do not, you or others could be hurt. There are a number of safety cautions in this book. A box with the word CAUTION is used to tell about things A circle with a slash that could hurt you or others if you were to ignore the...
Page 4: Vehicle Symbols
Vehicle Damage Warnings There are also warning labels on the vehicle which use the same words, CAUTION or NOTICE. You will also ﬁnd notices in this manual. Vehicle Symbols Notice: These mean there is something that could damage your vehicle. The vehicle has components and labels that use A notice tells about something that can damage the symbols instead of text.
Page 5: Seats And Restraint Systems
Section 1 Seats and Restraint Systems Front Seats ............1-2 Child Restraints ..........1-23 Manual Seats ..........1-2 Older Children ..........1-23 Manual Lumbar ..........1-3 Infants and Young Children ......1-26 Reclining Seatbacks ........1-3 Child Restraint Systems .........1-30 Air Suspension Seats ........1-5 Lower Anchors and Tethers for Center Seat ...........1-6 Children (LATCH) ........1-32 Securing a Child Restraint in...
Page 6: Front Seats
Front Seats CAUTION: Manual Seats You can lose control of the vehicle if you try to Your vehicle has bucket adjust a manual driver’s seat while the vehicle seats. You can adjust the is moving. The sudden movement could startle driver’s seat with these and confuse you, or make you push a pedal levers located at the front...
Page 7: Manual Lumbar
Manual Lumbar Reclining Seatbacks CAUTION: You can lose control of the vehicle if you try to adjust a manual driver’s seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you do not want to.
Page 8 CAUTION: Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts cannot do their job when you are reclined like this. The shoulder belt cannot do its job. In a crash, you could go into it, receiving neck or other injuries.
Page 9: Air Suspension Seats
Air Suspension Seats Isolator Lock Lever Your vehicle may have an air suspension seat. There The lever is located on are two ways you can adjust the seat. the inboard side of the driver’s seat. Height Adjustment The height adjustment is controlled by the air suspension valve.
Page 10: Safety Belts
Center Seat Safety Belts Your vehicle may have a center seat. Safety Belts: They Are for Everyone To fold the seatback down, pull the lever, located on the right side of the seat. This part of the manual tells you how to use safety Then lower the seatback forward and push down ﬁrmly belts properly.
Page 11: Why Safety Belts Work
After more than 40 years of safety belts in vehicles, the facts are clear. In most crashes buckling up does CAUTION: matter... a lot! Why Safety Belts Work It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a When you ride in or on anything, you go as fast as it goes.
Page 12 Put someone on it. Get it up to speed. Then stop the vehicle. The rider does not stop.
Page 13 The person keeps going until stopped by something. or the instrument panel... In a real vehicle, it could be the windshield...
Page 14: Questions And Answers About Safety Belts
Questions and Answers About Safety Belts Will I be trapped in the vehicle after a crash if I am wearing a safety belt? You could be — whether you are wearing a safety belt or not. But you can unbuckle a safety belt, even if you are upside down.
Page 15: How To Wear Safety Belts Properly
How to Wear Safety Belts Properly This section is only for people of adult size. Be aware that there are special things to know about safety belts and children. And there are different rules for smaller children and babies. If a child will be riding in your vehicle, see Older Children on page 1-23 or Infants and Young Children on page 1-26.
Page 16 What is wrong with this? CAUTION: You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should ﬁt snugly against your body. The shoulder belt is too loose.
Page 17 What is wrong with this? CAUTION: You can be seriously hurt if your lap belt is too loose. In a crash, you could slide under the lap belt and apply force on your abdomen. This could cause serious or even fatal injuries. The lap belt should be worn low and snug on the hips, just touching the thighs.
Page 18 What is wrong with this? CAUTION: You can be seriously injured if your belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not on the pelvic bones.
Page 19 What is wrong with this? CAUTION: You can be seriously injured if your belt goes over an armrest like this. The belt would be much too high. In a crash, you can slide under the belt. The belt force would then be applied on the abdomen, not on the pelvic bones, and that could cause serious or fatal injuries.
Page 20 What is wrong with this? CAUTION: You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the ribs, which are not as strong as shoulder bones.
Page 21 What is wrong with this? CAUTION: You can be seriously injured by not wearing the lap-shoulder belt properly. In a crash, you would not be restrained by the shoulder belt. Your body could move too far forward increasing the chance of head and neck injury. You might also slide under the lap belt.
Page 22 What is wrong with this? CAUTION: You can be seriously injured by a twisted belt. In a crash, you would not have the full width of the belt to spread impact forces. If a belt is twisted, make it straight so it can work properly, or ask your dealer/retailer to ﬁx it.
Page 23 Lap-Shoulder Belt All seating positions in your vehicle have a lap-shoulder belt except for the center front passenger position, which has a lap belt. See Lap Belt on page 1-22 for more information. Here is how to wear a lap-shoulder belt properly. 1.
Page 24 4. If equipped with a shoulder belt height adjuster, move it to the height that is right for you. Improper shoulder belt height adjustment could reduce the effectiveness of the safety belt in a crash. Improper shoulder belt height adjustment could reduce the effectiveness of the safety belt in a crash.
Page 25 Shoulder Belt Height Adjustment Safety Belt Use During Pregnancy Adjust the height so that the shoulder portion of the belt Safety belts work for everyone, including pregnant is centered on your shoulder. The belt should be women. Like all occupants, they are more likely to be away from your face and neck, but not falling off your seriously injured if they do not wear safety belts.
Page 26: Lap Belt
Lap Belt This part is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt on page 1-19. You vehicle may have a center seating position. When you sit in the center front seating position, you have a lap safety belt, which has no retractor.
Page 27: Child Restraints
Safety Belt Extender Child Restraints If the vehicle’s safety belt will fasten around you, you Older Children should use it. But if a safety belt is not long enough, your dealer/ retailer will order you an extender. When you go in to order it, take the heaviest coat you will wear, so the extender will be long enough for you.
Page 28 The manufacturer’s instructions that come with the What is the proper way to wear safety belts? booster seat, state the weight and height limitations for that booster. Use a booster seat with a lap-shoulder An older child should wear a lap-shoulder belt and belt until the child passes the below ﬁt test: get the additional restraint a shoulder belt can provide.
Page 29 CAUTION: Never do this. Here two children are wearing the same belt. The belt cannot properly spread the impact forces. In a crash, the two children can be crushed together and seriously injured. A belt must be used by only one person at a time. 1-25...
Page 30: Infants And Young Children
CAUTION: Never do this. Here a child is sitting in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. In a crash, the child would not be restrained by the shoulder belt. The child might slide under the lap belt. The belt force would then be applied right on the abdomen.
Page 31 CAUTION: (Continued) CAUTION: possible to hold it. For example, in a crash at Children can be seriously injured or strangled if only 25 mph (40 km/h), a 12 lb (5.5 kg) infant a shoulder belt is wrapped around their neck will suddenly become a 240 lb (110 kg) force and the safety belt continues to tighten.
Page 32 CAUTION: Children who are up against, or very close to, any airbag when it inﬂates can be seriously injured or killed. Airbags plus lap-shoulder belts offer protection for adults and older children, but not for young children and infants. Neither the vehicle’s safety belt system nor its airbag system is designed for them.
Page 33 For most basic types of child restraints, there are many different models available. When purchasing a CAUTION: child restraint, be sure it is designed to be used in a motor vehicle. If it is, the restraint will have a label saying that it meets federal motor vehicle The body structure of a young child is quite safety standards.
Page 34: Child Restraint Systems
Child Restraint Systems A rear-facing infant seat (A) provides restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned in the restraint. A booster seat (C-D) is a child restraint designed to improve the ﬁt of the vehicle’s safety belt system.
Page 35: Securing The Child Within The Child Restraint
Securing an Add-on Child Restraint in Keep in mind that an unsecured child restraint can move around in a collision or sudden stop and injure the Vehicle people in the vehicle. Be sure to properly secure any child restraint in your vehicle — even when no child is in it.
Page 36 Lower Anchors and Tethers for Securing a Child Restraint in Your Children (LATCH) Medium Duty Vehicle Some child restraints have a LATCH system. As part of We know securing a child can present real problems in a the LATCH system, your child restraint may have lower medium-duty vehicle like yours.
Page 37 In Canada, the law requires that forward-facing child restraints have a top tether, and that the tether be attached. 4. Push the latch plate into the buckle until it clicks. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if necessary.
Page 38: Restraint System Check
Restraint System Check Replacing Restraint System Parts After a Crash Checking the Restraint Systems Now and then, make sure the safety belt reminder light CAUTION: and all your belts, buckles, latch plates, retractors and anchorages are working properly. A crash can damage the restraint systems in Look for any other loose or damaged safety belt system your vehicle.
Page 39: Features And Controls
Section 2 Features and Controls Keys ...............2-2 Automatic Transmission Operation ....2-19 Automatic Transmission Third-Gear Hold ..2-20 Doors and Locks ..........2-3 Manual Transmission Operation ......2-21 Door Locks ............2-3 Power Take-Off (PTO) ........2-22 Windows ............2-4 Parking ............2-23 Manual Windows ..........2-4 Parking Brake (With Hydraulic Brakes) .....2-23 Power Windows ..........2-5 Parking Brake (With Air Brakes) ......2-24 Passenger Side Door Glass ......2-6...
Page 40: Keys
Keys CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons, children or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function with the keys in the ignition and they could be seriously injured or killed if caught in the path of a closing...
Page 41: Doors And Locks
Doors and Locks A manual door lock is located above each door handle. Door Locks CAUTION: Unlocked doors can be dangerous. • Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it.
Page 42: Windows
Windows CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather.
Page 43: Power Windows
Power Windows Power Window Lock Switch Pressing the power window lock switch once locks the If your vehicle has power passenger side window and prevents it from opening windows, the switches or closing. Pressing the switch a second time unlocks for both windows are the passenger side window.
Page 44: Passenger Side Door Glass
Passenger Side Door Glass CAUTION: Never open the passenger side door glass with the ignition on. You can be injured if the window linkage moves. Open this glass only with the ignition off. To open the window cover, pull on the latch at the rear of the window and swing the window cover open.
Page 45: Starting And Operating Your Vehicle
Starting and Operating Your • Avoid making hard stops for the ﬁrst 200 miles (322 km) or so. During this time the new brake Vehicle linings are not yet broken in. Hard stops with new linings can mean premature wear and earlier replacement.
Page 46 Ignition Positions Key In the Ignition Never leave your vehicle with the keys inside, as it is an Use your ignition key to easy target for joy riders or thieves. If you leave the start your vehicle. You can key in the ignition and park your vehicle, a chime turn the ignition switch will sound, when you open the driver’s door.
Page 47: Manual Transmission
Manual Transmission When your engine is cold, let it run for a few minutes before you move your vehicle. This lets oil pressure Move the shift lever to NEUTRAL (N) and hold the build up. Your engine will sound louder when it is cold. clutch pedal to the ﬂoor while starting the engine.
Page 48: Engine Alarm And Automatic Shutdown
If Your Engine Will Not Start CAUTION: If you are not out of fuel, and your engine will not start, do this: Turn your ignition key to ON/RUN. Immediately after the Do not use gasoline or starting aids, such as wait to start light goes off, turn the ignition key to START.
Page 49: Idle Shutdown
The alarm means that your engine will shut down. See If the parking brake is not engaged, then the engine Engine Shutdown Warning Light on page 3-33 for shuts down after 15 minutes of continuous idling more information. operation. Pull off the road and shut off the engine. Do not start it The driver can reset the engine shutdown timer by until the vehicle is repaired.
Page 50: High Idle System
High Idle System The ENGINE SHUTDOWN WARNING LIGHT will come on and a continuous chime will alert the driver 30 seconds before the engine goes into idle shutdown Manual High Idle System mode. The engine shutdown warning light and chime will stay on for the entire duration of the idle shutdown If your vehicle has this event to inform the driver that the engine is in idle...
Page 51: Engine Checks Before Operating
Exhaust Restrictor When the engine coolant temperature is below 149°F (65°C) and the outside temperature is below 50°F (10°C), the exhaust restrictor will come on within If your vehicle is equipped with this feature, there is an 60 seconds of starting the engine. After running the exhaust restrictor valve located in the exhaust stream.
Page 52 • During this warm-up period, check your warning lights The charging system light should come on when the and gages: ignition key is turned to ON/RUN or START and should go out when the engine is running above idle. • If oil pressure does not begin to rise within If the light does not go out or comes back on during 15 seconds of starting, stop the engine and ﬁnd the...
Page 53: Engine Coolant Heater
Engine Coolant Heater CAUTION: The engine coolant heater, if available, can help in cold weather conditions at or below 0°F (−18°C) for easier starting and better fuel economy during engine warm-up. Plugging the cord into an ungrounded outlet Plug in the coolant heater at least four hours before could cause an electrical shock.
Page 54 Diesel Engine Exhaust Brake There is an indicator light on the instrument panel similar to the symbol on the switch, that will come on when the exhaust brake is active. See Exhaust Brake The exhaust brake is used to help slow the vehicle and Indicator Light on page 3-33 for more information.
Page 55 Two-Speed Rear Axle Two-Speed Rear Axle Shift Control Operation The Two-Speed rear axle lets the driver select Low Range and High Range. Low Range provides good The rear axle shift control starting torque and pulling power. When selecting High switch for automatic and Range the axle allows for higher road speed and manual transmissions fuel economy.
Page 56 Shifting Split Upshift (Manual Transmissions Only) To downshift the axle with a transmission upshift: Upshifting the Axle 1. Push the clutch. To shift from Low to High Range: 2. Shift the Transmission to a higher gear. 1. Press the bottom of the switch to shift the axle 3.
Page 57: Automatic Transmission Operation
Automatic Transmission Operation CAUTION: This part of the manual covers the basics of automatic transmissions. With these transmissions, you will ﬁnd an ® Allison Transmission Operator’s Manual in your vehicle Shifting into a drive gear while the engine is that goes into more detail. On the headliner, in front of running at high speed is dangerous.
Page 58 Overdrive Defeat Automatic Transmission Third-Gear Hold If your vehicle has this feature, you can select to limit the transmission to fourth gear. This may be useful when If your vehicle has this feature, your range selector has operating at a higher Gross Vehicle Weight (GVW) or a 2-3 position.
Page 59: Manual Transmission Operation
® ® Manual Transmission Operation Eaton Fuller Nine and Ten-Speed Non-Synchronized Manual Using the Clutch Transmissions When you are starting to move the vehicle, it is If your vehicle has one of these non-synchronized important to begin with the engine speed at idle. transmissions, it is naturally somewhat complicated.
Page 60 Double-Clutching Notice: Using the clutch brake for shifting into any gear other than FIRST (1) or REVERSE (R) may cause You must use the double-clutching method when you premature wear of the clutch brake and make gear shift an unsynchronized gear set. Disengage the clutch, shift effort more difficult.
Page 61 Parking Parking Brake (With Hydraulic Brakes) CAUTION: If your vehicle has hydraulic brakes, it has a parking brake lever. The lever is located in the center console. Your vehicle may also be equipped with an automatic If you do not park your vehicle properly, it can transmission which has a center console shift lever.
Page 62 and shift the transmission to NEUTRAL. The parking brake light will stay on if the parking brake is not fully released. Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Verify that the parking brake is fully released and the brake warning light is off before driving.
Page 63 Vehicles built for use as tractors or towing vehicles have To charge a trailer’s air brake system do the following: two air brake controls. They look like this: 1. Move your vehicle into the proper position. 2. Apply the parking brake by pulling the yellow parking brake knob out.
Page 64: Parking Brake Burnish Procedure
For driving with a trailer, the yellow and red, if equipped, If you ever have a complete loss of air so that your air knobs must be pushed in. When you are not pulling a brakes automatically apply, there is a way that the trailer, the red trailer air supply knob must be pulled out.
Page 65 Air Suspension Press the bottom of the switch to deﬂate the air suspension and lower the deck height. Press the top of the switch to return the suspension to normal Your vehicle may have the Hendrickson HAS Series deck height. single-axle air suspension which is designed for a single-axle on-highway use.
Page 66 Engine Exhaust Diesel Particulate Filter Your vehicle has a Diesel Particulate Filter (DPF) as part of the exhaust system to reduce vehicle emissions. CAUTION: The DPF requires a unique exhaust tailpipe with an exhaust cooler. The exhaust cooler mixes air with the Engine exhaust can kill.
Page 67 Your DPF equipped vehicle has speciﬁc fuel and engine regeneration has started, drive until the green indicator oil requirements. See What Fuel to Use on page 5-7 light goes off to complete the regeneration in a single and Engine Oil on page 5-16 to make sure you use the operation if possible.
Page 68 Manual Regeneration Procedure Extended idling can cause exhaust parts and gases to become very hot. Keep the exhaust area clear of material that could ignite or burn. See Parking Over Things That Burn on page 2-27 for more information. CAUTION: For vehicles with Power Take-Off (PTO), monitor the instrument panel cluster for lights related to the DPF.
Page 69 When it is safe to do so, stop the vehicle. Perform 6. Idle the engine. If you used the idling control knob manual DPF regeneration in a well ventilated area. to increase the engine speed, restore it all the way Manual DPF regeneration must be performed outdoors, to the left to reduce the engine speed.
Page 70: Running The Vehicle While Parked
Running the Vehicle While Parked CAUTION: It is better not to park with the engine running. But if you ever have to, here are some things to know. It can be dangerous to get out of your vehicle if the automatic transmission shift lever is not CAUTION: fully in PARK (P) with the parking brake ﬁrmly set.
Page 71: Mirrors
Mirrors Outside Convex Mirrors Manual Rearview Mirror CAUTION: When you are sitting in a comfortable driving position, adjust the mirror so you can see clearly behind your A convex mirror can make things (like other vehicle. Hold the mirror in the center to move it up or vehicles) look farther away than they really are.
Page 72: Storage Areas
Outside Heated Mirrors Storage Areas Overhead Storage For vehicles with this feature, the switch is located on the instrument panel. Press the switch to turn the outside heated rearview mirrors on. The switch indicator light will come on and stay on whenever the outside heated rearview mirrors are activated.
Page 73: Center Console Storage
Center Seat Storage A storage compartment is located behind the seatback in the center seat. To access the compartment, you must ﬁrst pull down on the handle located on the passenger side to fold the seat all the way forward. To open, squeeze both sides of the latch.
Page 74 NOTES 2-36...
Page 75: Instrument Panel
Section 3 Instrument Panel Instrument Panel Overview .......3-4 Warning Lights, Gages, and Indicators ....3-20 Hazard Warning Flashers ........3-6 Instrument Panel Cluster ........3-21 Other Warning Devices ........3-6 Speedometer and Odometer ......3-22 Horn .............3-6 Trip Odometer ..........3-22 Tilt Wheel .............3-6 Tachometer ..........3-22 Turn Signal/Multifunction Lever ......3-7 Engine Speed Limiter ........3-22 Turn and Lane-Change Signals ......3-8...
Page 76 Section 3 Instrument Panel Differential Lock Indicator Light .......3-33 Air Pressure Gage ........3-37 Reduced Engine Power Light ......3-34 Hourmeter Gage ...........3-37 Highbeam On Light ........3-34 Audio System(s) ..........3-38 Daytime Running Lamps (DRL) Indicator Light ...3-34 Setting the Clock ..........3-39 Check Gages Warning Light ......3-35 Radio(s) ............3-40 Fuel Gage ...........3-35 Radio Reception ...........3-45...
Page 77 NOTES...
Page 78: Instrument Panel Overview
Instrument Panel Overview...
Page 79 The main components of the instrument panel are the following: A. Rear Reading Lamp Button. See Rear Reading L. Tilt Steering Column. See Tilt Wheel on page 3-6. Lamps on page 3-16. M. Horn. See Horn on page 3-6. B. Cruise Control Button. See Cruise Control on N.
Page 80: Hazard Warning Flashers
Hazard Warning Flashers Other Warning Devices The hazard warning ﬂashers let you warn police and If you carry reﬂective triangles, you can set them up at others that you have a problem. The front and rear turn the side of the road about 300 feet (100 m) behind signal lamps will ﬂash on and off.
Page 81 Turn Signal/Multifunction Lever To tilt the column, hold the steering wheel and pull the lever on the left side of the column to unlock the steering column. The multifunction lever, located on the left side of the Move the steering wheel to steering column, includes the following: a comfortable location, then lock the column...
Page 82 Turn and Lane-Change Signals Headlamp High/Low-Beam Changer The turn signals are controlled by the multifunction lever. Push the multifunction lever toward the instrument panel to change the headlamps from low to high beam. To signal a turn, move the lever all the way up for right To return to low-beam headlamps, pull the multifunction or down for left and release it.
Page 83: Windshield Wipers
Windshield Wipers : Turn this band on the windshield wiper lever to set the delay time between wipes. The closer to the top of the lever, the shorter the delay. (LO): Turn the knob to this setting to operate the windshield wipers at a low speed.
Page 84 Windshield Washer Cruise Control With cruise control, the vehicle can maintain a speed of To wash the window, you about 25 mph (40 km/h) or more without keeping your must have the windshield foot on the accelerator. Cruise control does not work at wipers on.
Page 85 Setting Cruise Control CAUTION: This button is located at the lower left side of the instrument panel. It If you leave your cruise control on when you turns the cruise control on are not using cruise, you might hit a button and off.
Page 86 Resuming a Set Speed Reducing Speed While Using Cruise Control Suppose you set the cruise control at a desired speed and then you apply the brake or the clutch. This, of Press the SET button until you reach the lower course, shuts off the cruise control.
Page 87 Ending Cruise Control The exterior lamp band has three positions: There are four different ways to turn off the cruise (OFF): Turn the band to this position to turn off all control: lamps, except the daytime running lamps (DRL). • Step lightly on the brake pedal (manual and (Parking Lamps): Turn the band to this position to automatic transmissions).
Page 88: Headlamps On Reminder
Headlamps on Reminder When the DRL are on, only your low-beam headlamps will be on. The exterior lamps and instrument panel will not be lit. If your vehicle has this feature, an alarm will sound when the headlamps and/or parking lamps are turned When it begins to get dark, on and the ignition is in LOCK or ACC.
Page 89: Marker Lamps
Marker Lamps Instrument Panel Brightness If your vehicle is designed for trailer towing, this button If your vehicle has this will operate the marker and clearance lamps. feature, the knob is located on the lower right The marker and clearance of the instrument panel.
Page 90: Rear Reading Lamps
Rear Reading Lamps Auxiliary Power Jacks Your vehicle may have a If your vehicle has these rear lamp button which is power jacks, they are on located on the lower the console to the right left side of the instrument of the driver’s seat.
Page 91: Climate Controls
Ashtray(s) and Cigarette Lighter Climate Controls Your vehicle may have an ashtray and a cigarette lighter Climate Control System located in the center ﬂoor console. To open the removable ashtray, ﬂip open the top. With this climate control system, you can control the Notice: If you put papers, pins, or other ﬂammable heating, cooling, and ventilation for your vehicle.
Page 92 To change the current mode, press one of the following A/C (Air Conditioning): If your vehicle has this feature, buttons: you can use your air conditioner by selecting one of the mode buttons, selecting a fan speed and pressing (Vent): This mode directs air to the instrument the A/C button.
Page 93: Defogging And Defrosting
Defogging and Defrosting Outlet Adjustment There are two modes to clear fog or frost from your The air outlets are located in the center and on the windshield. Press the defog button to clear the windows sides of your instrument panel. See Instrument Panel of fog or moisture and warm the passengers.
Page 94: Warning Lights, Gages, And Indicators
Warning Lights, Gages, and To inspect and clean the passenger compartment air ﬁlter, use the following steps: Indicators 1. Pull the tab located at This part describes the warning lights and gages that may the bottom of the be on your vehicle. The pictures will help you locate them. screen.
Page 95: Instrument Panel Cluster
Instrument Panel Cluster Your instrument panel cluster is designed to let you know at a glance how your vehicle is running. You will know how fast you are going, about how much fuel is left and many other things you will need to drive safely and economically.
Page 96: Speedometer And Odometer
Speedometer and Odometer Tachometer Your speedometer lets you see your speed in both This gage shows the safe miles per hour (mph) and kilometers per hour (km/h). operating range for the Your odometer shows how far your vehicle has engine speed in revolutions been driven, in either miles (used in the United States) per minute (rpm).
Page 97: Safety Belt Reminder Tone
Engine Road Speed Governor Safety Belt Reminder Tone This system controls maximum vehicle speed If your vehicle has this feature, when the engine is automatically and reduces engine power until vehicle started, a tone will sound for several seconds to remind speed gets down to maximum governed speed.
Page 98: Voltmeter Gage
Voltmeter Gage Service Transmission Warning Light ® If your vehicle has an Allison automatic transmission, When your engine is certain transmission malfunctions will turn this light on. running, the voltmeter gage shows the charging This light is located with system voltage. the auxiliary warning lights in the center of the instrument panel.
Page 99: Range Inhibit Warning Indicator
Range Inhibit Warning Indicator Brake System Warning Light Your vehicle has either hydraulic or air brakes. Your vehicle may have Each system has different warning lights. this light. Hydraulic Brake System Warning Lights Vehicles with hydraulic brake systems have two brake system warning lights on the instrument panel.
Page 100 Parking Brake Warning Light If the service brakes soon warning light comes on, it This light will also come on when you set the parking means there may be brake. The light will stay on if your parking brake something wrong in the does not release fully.
Page 101: Antilock Brake System Warning Light
Antilock Brake System Warning When the warning light comes on while you are driving, you should drive only as far as the nearest point of Light safety and then stop the vehicle. This light will come on CAUTION: brieﬂy when you start the engine, then it will turn off.
Page 102: Trailer Antilock Brake System Warning Light
Trailer Antilock Brake System Traction Control System (TCS) Warning Light Active Light If your vehicle is connected If your vehicle has to a trailer with antilock the Traction Control brakes, this light should System (TCS), this light come on brieﬂy, as a will come on when check, when you turn on the system is limiting...
Page 103: Engine Coolant Temperature Gage
Engine Coolant Temperature Gage Low Coolant Warning Light This gage shows the Your vehicle has a low engine coolant coolant warning light. temperature. If this light comes on, the system is low on coolant and the engine may overheat. The warning light should come on brieﬂy, as a check, when you turn on the ignition.
Page 104: Wait To Start Indicator
Wait to Start Indicator Malfunction Indicator Lamp Service Engine Soon Light This indicator, in the left of the instrument panel, will come on when the glow If this light comes on or plugs are on and the ﬂashes while you are ignition key is in ON driving, two things or START.
Page 105: Maintenance Schedule
Oil Pressure Gage A reading in the low pressure zone may be caused by a dangerously low oil level or other problem. See Engine Oil on page 5-16 and Scheduled The engine oil pressure Maintenance on page 6-5 for more information. gage, on the lower right portion of your instrument panel cluster, shows...
Page 106: Maintenance Schedule
Low Oil Level Light Change Engine Oil Light This light comes on brieﬂy Your vehicle may have a when the engine is started. change engine oil light. This normal. If the light fails to come on, have it repaired as soon as It should come on brieﬂy as a bulb check when you possible so you will be aware when the oil level is low.
Page 107: Engine Overspeed Warning Light
Engine Overspeed Warning Light Exhaust Brake Indicator Light If your vehicle has this For vehicles with an light, it will come on if your exhaust brake, this light engine is operating at is located above the too many revolutions per climate controls.
Page 108: Reduced Engine Power Light
Reduced Engine Power Light Highbeam On Light If the check engine and This light comes on when reduced engine power the high-beam headlamps lights are on, the throttle are in use. may be disabled, and a noticeable change in the vehicle’s performance may occur.
Page 109: Check Gages Warning Light
Check Gages Warning Light Fuel Gage This light will come on Your fuel gage is located brieﬂy when the engine is on the right side of your started. instrument panel cluster. If this light comes on and stays on while you are driving. It means that either the engine coolant temperature gage or the engine oil pressure gage may be showing a reading in the warning zone.
Page 110: Diesel Particulate Filter Warning Light
Diesel Particulate Filter Warning Here are four concerns of some operators. None of these shows a problem with your fuel gage: Light • The gage moves a little when you turn a corner or speed up. Your vehicle may have •...
Page 111 Air Pressure Gage Hourmeter Gage To access the engine hourmeter gage press the trip If your vehicle has air odometer button three times. brakes, this gage shows the air pressure for The instrument panel cluster displays the accumulated both your front and engine run time hours using the reconﬁgurable odometer rear brake systems.
Page 112: Audio System(S)
Audio System(s) While your vehicle is parked: • Familiarize yourself with all of its controls. If your vehicle came without a radio, the wiring • Familiarize yourself with its operation. provisions for a radio and an antenna were installed at the assembly plant, so that if you want, a radio can •...
Page 113: Setting The Clock
Setting the Clock CLOCK: Press this button to enter the clock setting mode. Your radio has buttons for setting the time. To set the Press and release this button to toggle between the time, follow these instructions: clock and the function mode. 1.
Page 114: Finding A Station
Radio(s) Finding a Station FM/AM: Press to switch between FM1, FM2, or AM. The selection displays. (Tune): Press either arrow to go to a higher or to a lower frequency. Press either arrow for less than a second and the station frequency changes by one.
Page 115: Setting Preset Stations
Setting Preset Stations Setting the Tone (Bass/Treble) Up to 18 stations (six FM1, six FM2, and six AM), can AUDIO: Press and release until BASS (BA:0) or be programed on the six numbered pushbuttons, TREBLE (TR:0) displays. The display shows the bass or by performing the following steps: treble level.
Page 116: Playing A Cd
Using the Alarm Playing a CD Insert a CD partway into the slot, label side up. The (Alarm): The alarm on the radio can be used to player pulls it in and the CD should begin playing. activate an alarm at a desired time. If the ignition or radio is turned off with the CD in the To set the alarm, perform the following: player, it stays in the player.
Page 117: Care Of Your Cd Player
If the surface of a CD is soiled, take a soft, lint free 1 RDM (Random): Press to hear the tracks in random, cloth or dampen a clean, soft cloth in a mild, neutral rather than sequential, order. Press again to turn off detergent solution mixed with water, and clean it.
Page 118 CD Messages SCAN: Press while a CD is playing. The player goes to the next track, plays for 10 seconds, then goes to the If the CD comes out, it could be for one of the following next track. Press this button again, to stop scanning. reasons: CD: Press to listen to a CD when the radio is playing.
Page 119: Radio Reception
Radio Reception FM Stereo FM stereo gives the best sound, but FM signals reach Frequency interference and static can occur during only about 10 to 40 miles (16 to 65 km). Tall buildings or normal radio reception if items such as cell phone hills can interfere with FM signals, causing the sound chargers, vehicle convenience accessories, and external to fade in and out.
Page 120 NOTES 3-46...
Page 121: Driving Your Vehicle
Section 4 Driving Your Vehicle Your Driving, the Road, and Your Vehicle ..4-2 Loss of Control ..........4-11 Defensive Driving ...........4-2 Driving at Night ..........4-12 Drunk Driving ..........4-2 Driving in Rain and on Wet Roads ....4-13 Control of a Vehicle ........4-3 Highway Hypnosis ........4-14 Braking ............4-3 Hill and Mountain Roads ........4-14...
Page 122: Your Driving, The Road, And Your Vehicle
Your Driving, the Road, and Drunk Driving Your Vehicle CAUTION: Defensive Driving Drinking and then driving is very dangerous. Defensive driving means “always expect the Your reﬂexes, perceptions, attentiveness, and unexpected.” The ﬁrst step in driving defensively is to judgment can be affected by even a small wear your safety belt —...
Page 123: Control Of A Vehicle
Control of a Vehicle Police records show that almost 40 percent of all motor vehicle-related deaths involve alcohol. In most cases, these deaths are the result of someone who was The following three systems help to control your vehicle drinking and driving. In recent years, more than while driving —...
Page 124: Hydraulic Brake Systems
Hydraulic Brake Systems And, of course, actual stopping distances vary greatly with the surface of the road, whether it is pavement or gravel; the condition of the road, whether it is wet, If the engine stops running, or if the primary brake dry or icy;...
Page 125: Using Abs
Antilock Brake System (ABS) ABS can change the brake pressure faster than any driver could. The computer is programmed to make the most of available tire and road conditions. This can Your vehicle has the Antilock Brake System (ABS), an help you steer around the obstacle while braking hard.
Page 126 Trailer Brake Hand Control Valve You can apply the trailer brakes a little or apply them all the way if you have to. Use this control only when you are driving. Do not use it for parking or to hold the If your vehicle has this feature, the control is mounted rig on a hill.
Page 127 Rear Axle Differential Lock Control Traction Control System (TCS) Your vehicle may have a traction control system that If your vehicle has a limits wheel spin. This is especially useful in slippery controlled traction or road conditions. The system operates only if it senses locking differential axle, the that one or both of the rear wheels are spinning or switch is located in the...
Page 128 Steering The traction control system automatically comes on whenever you start your vehicle. To limit wheel spin, especially in slippery road conditions, you should always Power Steering leave the system on. But you can turn the traction control system off if you ever need to. You should turn the If you lose power steering assist because the engine system off if your vehicle ever gets stuck in sand, mud or stops or the system is not functioning, you can steer but...
Page 129: Steering In Emergencies
Steering in Emergencies The traction you can get in a curve depends on the condition of the tires and the road surface, the angle at There are times when steering can be more effective which the curve is banked, and your speed. While you are than braking.
Page 130 Off-Road Recovery You may ﬁnd that your right wheels have dropped off the edge of a road onto the shoulder while you are driving. An emergency like this requires close attention and a quick decision. If you are holding the steering wheel at the recommended 9 and 3 o’clock positions, you can turn it a full 180 degrees very quickly without removing either hand.
Page 131: Loss Of Control
Passing Loss of Control Passing another vehicle on a two-lane road can be Let us review what driving experts say about what dangerous. To reduce the risk of danger while passing, happens when the three control systems — brakes, we suggest the following tips: steering, and acceleration —...
Page 132: Driving At Night
Driving at Night If you have the Traction Control System (TCS), remember: It helps avoid only the acceleration skid. Night driving is more dangerous than day driving See Traction Control System (TCS) on page 4-7. If you because some drivers are likely to be impaired — by do not have this system, or if the system is off, then alcohol or drugs, with night vision problems, or by fatigue.
Page 133: Driving In Rain And On Wet Roads
Driving in Rain and on Wet Roads Hydroplaning Hydroplaning is dangerous. Water can build up under Rain and wet roads can reduce vehicle traction your vehicle’s tires so they actually ride on the and affect your ability to stop and accelerate. Always water.
Page 134: Highway Hypnosis
Highway Hypnosis Hill and Mountain Roads Always be alert and pay attention to your surroundings Driving on steep hills or through mountains is different while driving. If you become tired or sleepy, ﬁnd a than driving on ﬂat or rolling terrain. Tips for driving safe place to park your vehicle and rest.
Page 135: Winter Driving
Winter Driving CAUTION: Here are some tips for winter driving: • Be sure the vehicle is in good shape for winter. Coasting downhill in NEUTRAL (N) or with the • You might want to put winter emergency supplies in ignition off is dangerous. The brakes will have your vehicle.
Page 136: Driving On Snow Or Ice
Driving on Snow or Ice If your vehicle does not have TCS, accelerate gently. Try not to break the fragile traction. If you accelerate too Most of the time, those places where the tires meet the fast, the drive wheels will spin and polish the surface road probably have good traction.
Page 137: If You Are Caught In A Blizzard
If You Are Caught in a Blizzard CAUTION: If you are stopped by heavy snow, you could be in a serious situation. You should probably stay with your vehicle unless you know for sure that you are near Snow can trap exhaust gases under your help and you can hike through the snow.
Page 138: Rocking Your Vehicle To Get It Out
Then, shut the engine off and close the window almost all the way to preserve the heat. Start the engine again and CAUTION: repeat this only when you feel really uncomfortable from the cold. But do it as little as possible. Preserve the fuel as long as you can.
Page 139: Loading Your Vehicle
Release the accelerator pedal while you shift, and press If your vehicle has tow hooks, the hooks are at the front lightly on the accelerator pedal when the transmission is of the vehicle. You may need to use them if you are in gear.
Page 140 Never exceed the GVWR for your vehicle, or the GAWR If you put things inside your vehicle — like suitcases, for either the front or rear axle. tools, packages, or anything else — they go as fast as the vehicle goes. If you have to stop or turn quickly, And, if you do have a heavy load, spread it out.
Page 141: Towing
Towing CAUTION: (Continued) Towing Your Vehicle • Working on air brakes without ﬁrst using the release studs to compress the springs can lead to injury. Never work on the air CAUTION: brakes chambers without ﬁrst using the release studs to compress the brake springs.
Page 142 Towing the Vehicle with the Front Bumper When you call, tell the towing service: Removed • That your vehicle has rear-wheel drive. • 1. Remove the front bumper. The make, model and year of your vehicle. 2. Connect and lock the lift chains to the front axle, •...
Page 143: Rear Axle
Rear Axle Before Towing 1. Disconnect the propshaft at the rear axle. Block the wheels of the disabled vehicle. On vehicles with air brakes, release the emergency brake system by 2. Secure the propshaft to the frame or the compressing the brake chamber springs as outlined crossmember.
Page 144 Towing Your Vehicle From the Rear Releasing Air-Operated Parking Brakes (Rear Wheels Off the Ground) If your vehicle has air brakes, you could have a special Before Towing towing problem. If your vehicle has to be towed because of a complete loss of air pressure from both systems, the Secure the steering wheel to maintain a straight-ahead parking brakes will have automatically engaged.
Page 145 3. Remove the rubber 6. Turn the stud nut cap from the rear of clockwise several turns the chamber. to release the brakes. Follow the same procedure to release the other brake or brakes. 4. Put the release stud, nut and ﬂat washer into the 7.
Page 146: Trailer Connections
Trailer Connections Heavy-Duty Trailer Wiring Package (T7/T8 Models Only) Your vehicle may have an eight-wire trailer towing harness. This harness, with a seven-pin universal If your vehicle has these trailer connections, they are heavy-duty trailer connector, is attached to a bracket on located at the rear of the cab for a tractor and at the rear the platform hitch.
Page 147: Service And Appearance Care
Section 5 Service and Appearance Care Service ............5-3 Cooling System ..........5-30 Accessories and Modiﬁcations ......5-3 Power Steering Fluid ........5-34 California Proposition 65 Warning .....5-4 Windshield Washer Fluid ........5-35 California Perchlorate Materials Requirements ..5-4 Brakes ............5-36 Doing Your Own Service Work ......5-5 Battery ............5-45 Engine Fan Breakage ........5-6 Jump Starting ..........5-46...
Page 148 Section 5 Service and Appearance Care Tires ..............5-64 Sheet Metal Damage ........5-81 Inﬂation - Tire Pressure .........5-65 Finish Damage ..........5-81 Wheel Loading ..........5-66 Underbody Maintenance ........5-81 Dual Tire Operation ........5-66 Chemical Paint Spotting .........5-81 When It Is Time for New Tires .......5-66 Vehicle Care/Appearance Materials ....5-82 Buying New Tires .........5-67 Vehicle Identiﬁcation ........5-83...
Page 149: Service
Service Accessories and Modiﬁcations Adding non-dealer accessories to your vehicle can For service and parts needs, visit your dealer/retailer. affect its performance and safety. Such things as, You will receive genuine GM parts and GM-trained and airbags, braking, stability, ride and handling, emissions supported service people.
Page 150: California Proposition 65 Warning
Aftermarket Engine Performance California Proposition 65 Warning Enhancement Products and Most motor vehicles, including this one, contain and/or Modiﬁcations emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some aftermarket engine performance products and Engine exhaust, many parts and systems (including modiﬁcations promise a way to increase the horsepower some inside the vehicle), many ﬂuids, and some...
Page 151 Doing Your Own Service Work If you want to do some of your own service work, you will want to use the proper service manual. It tells you much more about how to service your vehicle than this manual can. To order the proper service manual, CAUTION: see Service Publications Ordering Information on page 7-10.
Page 152: Engine Fan Breakage
Engine Fan Breakage CAUTION: (Continued) CAUTION: Winter Fronts, Grille Covers or Obstructions: Winter Fronts, grille covers or other add-on Changing the Fan Drive Ratio or Engine equipment causing obstructions in front or Governed Speed: behind the fan should not be used on this vehicle.
Page 153: Fuel
Fuel What Fuel to Use Notice: Use of diesel fuel other than Ultra Low Diesel Engine Fuel Sulfur Diesel (15 ppm sulfur maximum) or engine oil other than low ash CJ-4 oil will cause permanent Notice: Diesel fuel or fuel additives not damage to the DPF and related components.
Page 154 In the United States, for best results use No. 2-D diesel Because of the cleansing properties of biodiesel, fuel year-round (above and below freezing conditions) switching from straight diesel to a biodiesel blend can as oil companies blend No. 2-D fuel to address climate prematurely restrict the fuel ﬁlter with normal deposits in differences.
Page 155 What Fuel to Use in Canada Canadian fuels are blended for seasonal changes. Diesel Type “A” fuel is blended for better cold weather starting (below 0°F or −18°C); however, you might notice Notice: Use of diesel fuel other than Ultra Low Sulfur Diesel (15 ppm sulfur maximum) or engine oil some power and fuel economy loss.
Page 156: Very Cold Weather Operation
Very Cold Weather Operation Notice: If there is water in your diesel fuel and the weather is warm or humid, fungus and bacteria can grow in the fuel. They can damage your fuel Follow the instructions listed previously under the system.
Page 157 If the light comes on, use this chart to determine what Notice: If you drive when this warning indicator is on, you can damage your fuel injection system and action to take. your engine. If the indicator comes on right after you refuel, it means water was pumped into your fuel Problem Recommended Action...
Page 158 To replace the element, do the following: If the water-in-fuel light comes on again after driving a short distance or if the engine runs rough or stalls, 1. Disconnect the element electrical connector from a large amount of water has probably been pumped the bowl.
Page 159 For vehicles with cruise control, you can prime the 6. Use the palm of your hand to repeatedly press and vehicle and remove the air from the fuel system. release the plunger (1) at the top of the fuel ﬁlter The following procedure will show you how: priming pump.
Page 160: Running Out Of Fuel
Running Out of Fuel Your service engine soon light may come on if the vehicle has run out of fuel. This light may stay on for a few drive cycles after the condition is corrected, but will If the diesel engine stalls and you think that you have eventually clear itself.
Page 161 The fuel cap may be on either or both sides of your vehicle, depending upon option content. CAUTION: To remove the cap, turn it slowly counterclockwise. If a ﬁre starts while you are refueling, do not CAUTION: remove the nozzle. Shut off the ﬂow of fuel by shutting off the pump or by notifying the station attendant.
Page 162: Checking Things Under The Hood
Filling a Portable Fuel Container Checking Things Under the Hood CAUTION: Engine Oil Never ﬁll a portable fuel container while it is Checking Engine Oil in your vehicle. Static electricity discharge from the container can ignite the fuel vapor. It is a good idea to check the engine oil level every time you get fuel.
Page 163: When To Add Engine Oil
In order to get an accurate reading, the engine should If the oil is below the ADD be at normal operating temperature, so that the oil mark on the dipstick, add is warm, and the vehicle must be on level ground. at least one quart/liter of the recommended oil.
Page 164: What Kind Of Engine Oil To Use
What Kind of Engine Oil to Use Look for three things: • CJ-4 Oils designated as API CJ-4 are required for your vehicle. The CJ-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL.
Page 165 • Engine Oil Additives SAE 10W-40 or SAE 15W-40 As shown in the viscosity chart, SAE 10W-40 or Do not add anything to the oil. The recommended oils SAE 15W-40 is best for your vehicle. When it is very with the API service symbol are all you need for good cold, below 0°F (−18°C), you should use SAE 5W-40 performance and engine protection.
Page 166: Engine Oil Life System
Engine Oil Life System If the system is ever reset accidentally, you must change the oil at 3,000 miles (5 000 km), or 150 hours of engine operation, whichever occurs ﬁrst, since your When to Change Engine Oil last oil change. Remember to reset the oil life system whenever the oil is changed.
Page 167: What To Do With Used Oil
What to Do with Used Oil Engine Air Cleaner/Filter Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or a good hand cleaner.
Page 168 When to Inspect the Engine Air To inspect or replace the ﬁlter and reset the indicator, if equipped, do the following: Cleaner/Filter The ﬁlter change indicator will let you know when the ﬁlter should be replaced. If you are driving in dusty/dirty conditions inspect the ﬁlter each oil change.
Page 169: Automatic Transmission Fluid
Automatic Transmission Fluid CAUTION: When to Check A good time to check your automatic transmission ﬂuid Operating the engine with the air cleaner/ﬁlter level is when the engine oil is checked. See your off can cause you or others to be burned. Allison Automatic Transmission Operator’s Manual to The air cleaner not only cleans the air;...
Page 170: Manual Transmission Fluid
Manual Transmission Fluid How to Add Fluid To add transmission ﬂuid, do the following: When to Check 1. Remove the ﬁller plug. A good time to have it checked is when the engine oil is 2. Add ﬂuid at the ﬁller plug hole. Add only enough checked.
Page 171: When To Check And What To Use
When to Check and What to Use Engine Coolant The cooling system in your vehicle is ﬁlled with The hydraulic clutch ﬂuid ® reservoir is located behind DEX-COOL engine coolant. This coolant is designed to remain in your vehicle for ﬁve years or 150,000 miles the front panel on the (240 000 km), whichever occurs ﬁrst, if you add only driver’s side of the vehicle.
Page 172: What To Use
What to Use Notice: If you use an improper coolant mixture, your engine could overheat and be badly damaged. Use a mixture of one-half clean, drinkable water and The repair cost would not be covered by your ® one-half DEX-COOL coolant which will not damage warranty.
Page 173: Checking Coolant
Checking Coolant The vehicle must be on a level surface. When your engine is cold, the coolant level should be at the COLD FILL mark or higher. The coolant surge tank pressure cap can be If the low coolant light accessed without tilting the comes on in the instrument cab.
Page 174: Adding Coolant
Adding Coolant Coolant Surge Tank Pressure Cap ® If you need more coolant, add the proper DEX-COOL The surge tank pressure cap is located behind the cab coolant mixture at the surge tank, but only when the on the driver’s side of the vehicle. engine is cool.
Page 175: If Steam Is Coming From Your Engine
If Steam Is Coming From Your Engine If No Steam Is Coming From Your Engine An overheat warning, along with a low coolant light, can CAUTION: indicate a serious problem. See Low Coolant Warning Light on page 3-29 for more information. Steam from an overheated engine can burn If you get an engine overheat warning with no low you badly, even if you just open the hood.
Page 176: Cooling System
Cooling System If you no longer have the overheat warning, you can drive. Just to be safe, drive slower for about 10 minutes. If the warning does not come back on, you can drive normally. CAUTION: If the warning continues and you have not stopped, pull over, stop, and park your vehicle right away.
Page 177 If there seems to be no leak, start the engine again. The engine cooling fan speed should increase when idle CAUTION: speed is doubled by pushing the accelerator pedal down. If it does not, your vehicle needs service. Turn off the engine.
Page 178: How To Add Coolant To The Coolant Surge Tank
How to Add Coolant to the Coolant Surge Tank CAUTION: If you have not found a problem yet, but the coolant level is not at the COLD FULL mark, add a Adding only plain water to the cooling system ® 50/50 mixture of clean, drinkable water and DEX-COOL can be dangerous.
Page 179 CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. 1. You can remove the coolant surge tank pressure cap when the cooling system, including the coolant surge tank pressure cap and upper radiator hose, is no longer hot.
Page 180: Power Steering Fluid
Power Steering Fluid See Scheduled Maintenance on page 6-5 to determine when to check your power steering ﬂuid. How To Check Power Steering Fluid Check your power steering ﬂuid only when the engine is warm. If the engine is not warm, you probably will not get an accurate reading.
Page 181: Adding Washer Fluid
What to Use Adding Washer Fluid To determine what kind of ﬂuid to use, see Part C: Open the cap with the Recommended Fluids and Lubricants on page 6-27. washer symbol on it. Add washer ﬂuid until the tank Notice: When adding power steering ﬂuid or is full.
Page 182: Brake Fluid
Brakes CAUTION: Brake Fluid Do not add brake ﬂuid before you check the If your vehicle has level. If you do, you could get too much brake hydraulic brakes, there is a brake master cylinder. ﬂuid. Brake ﬂuid could spill on the hot engine and it can catch ﬁre.
Page 183: Checking Brake Fluid
Checking Brake Fluid CAUTION: Apply the brake pedal several times with the ignition off. Then clean one of the reservoir caps and the area around the cap, and remove it. With the wrong kind of ﬂuid in the brake hydraulic system, the brakes might not work The ﬂuid level should be well.
Page 184: Brake Pedal Travel
Four-Wheel and Six-Wheel Drum Brake Adjustment on Air Braked Vehicles Brakes (Air Only) Your vehicle has automatic slack adjusters. Every time you make a brake stop, the brakes automatically The brake drums should be removed and inspected adjust for wear. Slack adjusters should never be each time the tires are removed for rotation or changing.
Page 185: Replacing Brake System Parts
Four-Wheel Disc Brakes Replacing Brake System Parts (Hydraulic Only) The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if Your vehicle has four-wheel disc brakes. the vehicle is to have really good braking. Your vehicle Some driving conditions or climates can cause a brake was designed and tested with top-quality brake parts.
Page 186 Hydraulic Brake Pads Air Brake Systems Brake pad lining life will vary depending on vehicle If your vehicle has air brakes, it is important to get rid of application, working environment, equipment moisture in the system. Moisture will damage the maintenance, and style of driving.
Page 187: Air Dryer
Air Dryer Electric Air Compressor If your vehicle has air brakes, it will have an air dryer. Your vehicle might have an electric air compressor. This collects and removes dirt, moisture, or other foreign This compressor is used to run options that require matter from the air prior to entering the brake system.
Page 188 Chassis Lubrication 5-42...
Page 189 Item Number Item Remarks Brake Camshaft*** One ﬁtting each (apply sparingly). Brake Caliper Rails$ For caliper rails, apply Aero Shell #5 Lubricant. Steering Column Slip Joint** One ﬁtting. Steering Drag Link Ends One ﬁtting each end. Steering Column U-Joints One ﬁtting each joint. Pivot Points and Hinges Apply chassis lubricant.
Page 190 Item Number Item Remarks Transmission-Automatic*,**,† Check ﬂuid level. One ﬁtting each joint; lubricate with Propshaft Slip Joints GM Part No. 1051344 Wheel Bearing Lubricant. One ﬁtting each joint (1480 and 1550 Series); lubricate with GM Part No. 1051344 Wheel Bearing Propshaft U-joints Lubricant.
Page 191: Vehicle Storage
Battery Infrequent Usage: If you drive your vehicle infrequently, remove the black, negative (−) cable from each battery. This will help keep the batteries from running Your vehicle has two maintenance free batteries. When down. it is time for a new battery, see your dealer/retailer for one that has the replacement number shown on the Extended Storage: For extended storage of your original battery’s label.
Page 192 Jump Starting Trying to start your vehicle by pushing or pulling it will not work, and it could damage your vehicle. If your vehicle’s batteries have run down, you may want 1. Check the other vehicle. It must have a 12-volt to use another vehicle and some jumper cables to battery (or batteries) with a negative ground start your vehicle.
Page 193 Notice: If you leave your radio or other accessories on during the jump starting procedure, they could CAUTION: be damaged. The repairs would not be covered by your warranty. Always turn off your radio and other accessories when jump starting your vehicle. Using a match near a battery can cause battery 3.
Page 194 6. Connect the red positive (+) cable to the CAUTION: positive (+) terminal of the dead battery. Use a remote positive (+) Fans or other moving engine parts can injure terminal if the vehicle you badly. Keep your hands away from moving has one.
Page 195 8. Now connect the black negative (−) cable to the The electrical connection is just as good there, and negative (−) terminal of the good battery. Use a the chance of sparks getting back to the battery is remote negative (−) terminal if the vehicle has one. much less.
Page 196 Notice: If the jumper cables are connected or To disconnect the jumper cables from both vehicles, do removed in the wrong order, electrical shorting may the following: occur and damage the vehicle. The repairs would 1. Disconnect the black negative (−) cable from the not be covered by your warranty.
Page 197: Rear Axle
Rear Axle How to Check Lubricant When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Scheduled Maintenance on page 6-5. Notice: If you drive your vehicle through deep water that is higher than the front or rear axle, water may enter the axle housing and cause the axle lubricant to break down.
Page 198: Cab Tilting
What to Use Cab Tilting Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Part C: Recommended Before You Tilt the Cab Fluids and Lubricants on page 6-27. Most ﬂuids and lubricants requiring regular checking can be accessed at the back of the cab.
Page 199: Tilting The Cab
Tilting the Cab To tilt the cab, do the following: 1. Locate the lever pin at the rear of the cab, on the passenger’s side. 2. Turn the lever pin so that the tab is aligned with the slot. Remove the lever pin.
Page 200 4. Pull the secondary latch lever to release the hook from the catch at the back of the cab. 5. Using the handle located at the bottom of the cab at the back, tilt the cab forward. 5-54...
Page 201 6. Tilt the cab all the way forward until the cab CAUTION: support under the cab locks fully. A cab not properly locked in the tilted position A. Safety Lock Pin could fall, causing serious injury. To ensure B. Cab Support that the cab is securely locked in position and will not move, the safety lock pin (A) must always be inserted into the cab support (B)
Page 202: Lowering The Cab
Lowering the Cab 2. Squeeze the lever on the cap support to release the detent. When the cab is ready to be lowered, follow the instructions below carefully. Before lowering the cab, be sure all ﬁller caps are on properly. 1.
Page 203 5. Reinstall the pin and turn it to keep the primary tilt lever from moving downward. CAUTION: 3. Using the handle located at the bottom of the cab toward the back, lower the cab until the hook catches and the cab is held down. An unsecured cab could move suddenly causing an accident or an injury.
Page 204: Lifting The Front Panel
Lifting the Front Panel 2. Then go to the front of the vehicle and lift the panel at the center. To access the windshield washer ﬂuid reservoir and the Use the prop rod to clutch ﬂuid reservoir, the front panel must be lifted. hold the panel open.
Page 205: Noise Control System
Noise Control System Insulation: • Removal of the noise shields or any underhood Tampering with Noise Control insulation. System Prohibited Engine: The following information relates to compliance with • Removal or rendering engine speed governor, if the federal noise emission standards for vehicles with a vehicle has one, inoperative so as to allow engine Gross Vehicle Weight Rating (GVWR) of more than speed to exceed manufacturer speciﬁcations.
Page 206: Bulb Replacement
Bulb Replacement Here’s how to remove the wiper blade: It is recommended that all bulbs be replaced by your dealer/retailer. Windshield Wiper Blade Replacement Windshield wiper blades should be inspected at least twice a year for wear or cracking. See “Wiper Blade Check”...
Page 207: Other Service Items
Other Service Items Fuel Filter Your fuel ﬁlter is located in the engine compartment on the driver’s side of the vehicle, or along the driver’s side frame rail. See Fuel Filter Replacement earlier in this section for further information. Also see Scheduled Maintenance on page 6-5 for recommended service intervals.
Page 208 Primary Fuel Filter and Water Secondary Fuel Filter and Heater Separator Your vehicle may have this fuel ﬁlter and fuel heater. It is mounted on the left side of the engine. Your vehicle may have this spin-on ﬁlter. It is located on the driver’s side frame rail.
Page 209 Front Wheel Bearings with If your vehicle has oil-ﬁlled hubs, occasionally check Oil-Filled Hubs to see if they have enough oil. You can tell if there is Notice: If you drive your vehicle through deep oil there by using the water that is higher than the front or rear axle, water circular gage on the may enter the axle housing and cause the axle...
Page 210: Tires
Tires CAUTION: (Continued) Your new vehicle comes with high-quality tires made by a leading tire manufacturer. If you ever • Underinﬂated tires pose the same have questions about your tire warranty and where danger as overloaded tires. The to obtain service, see your vehicle Warranty booklet resulting accident could cause serious for details.
Page 211: How To Check
Inﬂation - Tire Pressure When to Check Check your tires once a month or more. Tires need the correct amount of air pressure to operate effectively. The Certiﬁcation or Tire Information label Also, check the tire pressure of the spare tire if your shows the correct inﬂation pressures for your tires when vehicle has one.
Page 212: Wheel Loading
Wheel Loading When It Is Time for New Tires Wheels are stamped with a maximum load and cold Various factors, such as maintenance, temperatures, inﬂation rating. Be sure you do not exceed these limits. driving speeds, vehicle loading, and road conditions, inﬂuence when you need new tires.
Page 213: Buying New Tires
Buying New Tires CAUTION: GM has developed and matched speciﬁc tires for your vehicle. If you need replacement tires, GM strongly recommends that you get tires that are the same size, Mixing tires could cause you to lose brand, load range, speed rating, and construction type control while driving.
Page 214: Wheel Alignment And Tire Balance
Wheel Alignment and Tire Balance This section lets you know how often to check the tightness of the wheel nuts on your vehicle and how tight they must be. The wheels on your vehicle were aligned at the factory to give you the longest tire life and best overall First, use these pictures to decide what kind of wheels performance.
Page 215 Then, refer to the following steps for the wheels 4. Finger-tighten the nuts. you have. 5. Oil the surfaces (B) Hub-Piloted Wheels, 8-Hole or 10-Hole between the nuts (C) and washers (A). The studs and nuts used with these wheels have Do not oil the studs or right-hand threads.
Page 216 6. Tighten the nuts to 400 lb ft (542 Y) if an 8-hole stud or 480 lb ft (650 Y) if a 10-hole stud, using the following diagrams. 10-Hole (Front) 10-Hole (Rear) CAUTION: 8-Hole Never use oil or grease on studs or the threads of the wheel nuts.
Page 217 CAUTION: CAUTION: If wheel studs are damaged, they can break. If Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts all the studs on a wheel broke, the wheel could become loose after a time.
Page 218: Wheel Replacement
Wheel Replacement CAUTION: Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, replace the wheel, wheel bolts, and wheel nuts. If the wheel A leaking wheel could fail without warning. leaks air, replace it. A wheel designed for tubeless tires could be Your dealer will know the kind of wheel you need.
Page 219: If A Tire Goes Flat
If a Tire Goes Flat Using wheels and tires with higher load-carrying limits than the original wheels and tires does not change the Gross Axle Weight Rating (GAWR) or the Gross It is unusual for a tire to blowout while you are driving, Vehicle Weight Rating (GVWR) of your vehicle.
Page 220 If a tire goes ﬂat, avoid further tire and wheel damage by driving slowly to a level place and turn on your CAUTION: hazard warning ﬂashers. See Hazard Warning Flashers on page 3-6. If you try to put air back into a tire that has run ﬂat, even a tire that was extremely low on air, CAUTION: the tire can have a sudden air-out.
Page 221: Appearance Care
Appearance Care Notice: If you use abrasive cleaners when cleaning glass surfaces on your vehicle, you could scratch the glass. When cleaning the glass on your vehicle, Interior Cleaning use only a soft cloth and glass cleaner. Many cleaners contain solvents that may become Your vehicle’s interior will continue to look its best if it is concentrated in your vehicle’s breathing space.
Page 222 • To clean, use the following instructions: Use only mild, neutral-pH soaps. Avoid laundry detergents or dishwashing soaps with degreasers. 1. Saturate a lint-free, clean white cloth with water or Using too much soap will leave a residue that leaves club soda.
Page 223: Care Of Safety Belts
Instrument Panel, Vinyl, and Other Care of Safety Belts Plastic Surfaces Keep belts clean and dry. A soft cloth dampened with water may be used to remove dust. If a more thorough cleaning is necessary, CAUTION: a clean soft cloth dampened with a mild soap solution can be used to gently remove dust and dirt.
Page 224: Washing Your Vehicle
Washing Your Vehicle Rinse the vehicle well, before washing and after to remove all cleaning agents completely. If they are allowed to dry on the surface, they could stain. The best way to preserve your vehicle’s ﬁnish is to keep it clean by washing it often.
Page 225: Finish Care
Finish Care Exterior painted surfaces are subject to aging, weather and chemical fallout that can take their toll over a period of years. You can help to keep the paint ﬁnish Occasional waxing or mild polishing of your vehicle by looking new by keeping your vehicle garaged or covered hand may be necessary to remove residue from the whenever possible.
Page 226: Windshield And Wiper Blades
Windshield and Wiper Blades Aluminum Wheels Clean the outside of the windshield with glass cleaner. The vehicle may have aluminum wheels. Clean the rubber blades using a lint free cloth or paper Notice: If you use strong soaps, chemicals, towel soaked with windshield washer ﬂuid or a mild abrasive polishes, cleaners, brushes, or cleaners detergent.
Page 227: Underbody Maintenance
Tires Underbody Maintenance To clean the tires, use a stiff brush with tire cleaner. Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not Notice: Using petroleum-based tire dressing removed, corrosion and rust can develop on the products on your vehicle may damage the paint underbody parts such as fuel lines, frame, ﬂoor pan, ﬁnish and/or tires.
Page 228 Vehicle Care/Appearance Materials Description Usage Removes swirl marks, ﬁne Swirl Remover Polish scratches and other light Description Usage surface contamination. Polishing Cloth Interior and exterior Removes light scratches Wax- Treated polishing cloth. Cleaner Wax and protects ﬁnish. Tar and Road Oil Removes tar, road oil and Cleans, shines and Remover...
Page 229: Vehicle Identiﬁcation
Vehicle Identiﬁcation Electrical System Vehicle Identiﬁcation Number (VIN) Add-On Electrical Equipment Notice: Do not add anything electrical to your vehicle unless you check with your dealer/retailer ﬁrst. Some electrical equipment can damage your vehicle and the damage would not be covered by your warranty.
Page 230: Fusible Links
Fusible Links Fuses and Circuit Breakers A fusible link is a short piece of wire that is covered by The wiring circuits in your vehicle are protected from an insulated cover. It is several gage sizes smaller short circuits by a combination of fuses, circuit breakers, than the circuit it protects.
Page 231: Instrument Panel Fuse Block
Instrument Panel Fuse Block If you ever have a problem on the road and don’t have a spare fuse, you can borrow one of the correct value. Just pick some feature of your vehicle that you can get along without, like the radio or cigarette lighter, and use its fuse if it is the value you need.
Page 232 Fuses Usage Fuses Usage Ignition Switch Transmission Control Module, Ignition, Chime Cigarette Lighter Assembly Line Data Link Connector Engine Control Module, Ignition 1 5-86...
Page 233 Fuses Usage Fuses Usage Warning Lamp, Ignition Relay, Headlamp Blower Motor, Motor Relay, Auxiliary Heated Fuel Relay, Power Window Relay, Interior Relay Meter Transmission Control Module Room Lamp, Horn, Electric Parking Identiﬁcation Lamp, Marker Lamp, Brake, Radio Back Up, Rear Body Tail Lamp, Lighted Mirror, Dome Lamp Illumination Lamp...
Page 234 Maxi-Fuse Block Fuses Usage ST/TURN/HAZ Stoplamp, Turn Signals/Hazard When a fuse goes out, ﬁrst check the instrument panel Warning Flashers fuse block. If there are no fuses out, the problem IGN SW 3 Air Conditioner, Axle, Chassis could be in the maxi-fuse block. INT/EXT Parking Lamps, Dome Lamp, The maxi-fuse block outside of the cab on the driver...
Page 235: Relay Center
Relay Center Relay Block A Relay Block A Usage Power Window (If Equipped) Power Main (ECU) High Beam There are four relay blocks in your vehicle: Lighting A. Relay Block A C. Relay Block C Lighting (Low, High) B. Relay Block B D.
Page 236 Relay Block B Usage Air Conditioning Condenser (If Equipped) Air Conditioning Compressor (If Equipped) Heater Fan Ignition (Accessory) Ignition (1) Ignition (2) Relay Block B Auxiliary Horn Ignition (3) Dome Lamp (If Equipped) Starter Cut Power Take-Off Control (If Equipped) 5-90...
Page 237 Relay Block D Relay Block C Relay Block D Usage Neutral (Medium Duty Transmission) Relay Block C Usage Back-up Lamp (Reverse) (Medium Parking Brake Duty Transmission) Daytime Running Lamps (DRL) On (Engine Run) Daytime Running Lamps (DRL) Off (Parking) Parking Lamps/Daytime Running Lamps (DRL) Fuel Filter (Heated Fuel) Stop Lamp...
Page 238: Capacities And Speciﬁcations
Capacities and Speciﬁcations The following approximate capacities are given in English and metric conversions. See Part C: Recommended Fluids and Lubricants on page 6-27 for more information. Capacities and Speciﬁcations Capacities Application English Metric For the air conditioning system refrigerant charge amount, see the refrigerant caution label located Air Conditioning Refrigerant R134a under the hood.
Page 239 Capacities and Speciﬁcations (cont’d) Capacities Application English Metric Single 50-gallon (189 L) tanks. Not applicable to 4X2 vehicles with 128 inch or 140 inch wheelbases and not applicable to 6x4 vehicles with a 152 inch wheelbase. One 25-gallon (94.6 L) tank and one 50-gallon (189.2 L) tank. Available only on 4x2 vehicles with 128 inch or 140 inch wheelbases or 6x4 vehicles with a 152 inch wheelbase.
Page 240 Capacities and Speciﬁcations (cont’d) Capacities Application English Metric Transmission Fluid, Automatic 2200 Series; 2350 Series, 2500 Series, 2550 Series 40.0 pt* 19.0 L* MD 3000; MD 3500 with PTO Provision 59.8 pt 28.1 L MD 3000; MD 3500 without PTO Provision 52.0 pt 24.6 L *Add 2 pints (1 L) when changing spin-on or remote ﬁlter.
Page 241: Maintenance Replacement Parts
Maintenance Replacement Parts Part Part Number Air Compressor Filter (Haldex Air Compressor) 100696-E Oil Filter 94392475 Engine Air Cleaner/Filter P533930 Chassis Mounted Fuel Filter 15725783† Engine Mounted Fuel Filter 98026037 Haldex GM part number Donaldson †Racor 5-95...
Page 242: Engine Drive Belt Routing
Engine Drive Belt Routing Isuzu 6H Diesel Engine Belt routing for non air conditioning option shown. Dotted line shows routing for vehicles with air conditioning. 5-96...
Page 243 Section 6 Maintenance Schedule Maintenance Schedule ........6-2 Scheduled Maintenance ........6-5 Introduction ...........6-2 Part B: Owner Checks and Services ....6-22 Maintenance Requirements ......6-2 At Each Fuel Fill ..........6-22 Your Vehicle and the Environment ....6-2 At Least Twice a Year ........6-22 How This Section is Organized ......6-3 At Least Once a Year ........6-26 Part A: Scheduled Maintenance Services ...6-4 Part C: Recommended Fluids and Lubricants ..6-27...
Page 244: Maintenance Requirements
Maintenance Schedule Maintenance Requirements Maintenance intervals, checks, inspections and Introduction recommended ﬂuids and lubricants as prescribed in this manual are necessary to keep your vehicle in good Important: Keep engine oil at the proper level and working condition. Any damage caused by failure change as recommended.
Page 245: How This Section Is Organized
How This Section is Organized If you want to purchase service information, see Service Publications Ordering Information on page 7-10. This maintenance schedule is divided into four parts: “Part B: Owner Checks and Services” tells you what should be checked and when. It also explains what “Part A: Scheduled Maintenance Services”...
Page 246: Using The Maintenance Schedule
Part A: Scheduled Maintenance The proper ﬂuids and lubricants to use are listed in Part C. Make sure whoever services your vehicle uses Services these. All parts should be replaced and all necessary repairs done before you or anyone else drives the In this part are scheduled maintenance services which vehicle.
Page 247: Scheduled Maintenance
Scheduled Maintenance 7,500 Miles (12 000 km) Check ﬂuid levels (or every 3 months, whichever The services shown in this schedule up to 100,000 miles occurs ﬁrst). (1) (5) (166 000 km) should be repeated after 100,000 miles Chassis lubrication service (or every 6 months, (166 000 km) at the same intervals for the life of whichever occurs ﬁrst).
Page 248 15,000 Miles (24 000 km) Exhaust system service (or every 6 months, whichever occurs ﬁrst). (2) (3) (15) Vehicles Without Engine Oil Life System Only: Wheels and tires service. (13) Change engine oil and ﬁlter (or every 12 months, or Hydraulic brake service (or every 6 months, every 750 hours of engine operation, whichever whichever occurs ﬁrst).
Page 249 22,500 Miles (36 000 km) Clean air brake application valve (or every 3 months, or every 300 hours, whichever occurs ﬁrst). Lubricate Check ﬂuid levels (or every 3 months, whichever linkage. occurs ﬁrst). (1) (5) Air brake chamber service (or every 2 months, Chassis lubrication service (or every 6 months, whichever occurs ﬁrst).
Page 250 Inspect engine air cleaner ﬁlter change indicator. If Air brake automatic slack adjuster service (or every necessary, replace the ﬁlter. If vehicle is driven in 500 hours, whichever occurs ﬁrst). (27) dusty/dirty conditions, inspect ﬁlter change indicator Check air brake relay valve operation and check for at every engine oil change.
Page 251 Air brake service (or every 6 months, whichever Check ﬂuid levels (or every 3 months, whichever occurs ﬁrst). (26) occurs ﬁrst). (1) (5) Air brake automatic slack adjuster service (or every Replace fuel ﬁlter (or every 750 hours of engine 500 hours, whichever occurs ﬁrst).
Page 252 48,000 Miles (75 000 km) Air brake automatic slack adjuster service (or every 500 hours, whichever occurs ﬁrst). (27) Lubricate U-joints (or every 6 months, whichever Check air brake relay valve operation and check for occurs ﬁrst). leaks (or every month, or every 300 hours, whichever occurs ﬁrst).
Page 253 Check air brake relay valve operation and check for Replace fuel ﬁlter (or every 750 hours of engine leaks (or every month, or every 300 hours, whichever operation, whichever occurs ﬁrst). occurs ﬁrst). Chassis lubrication service (or every 6 months, Clean air brake application valve (or every 3 months, whichever occurs ﬁrst).
Page 254 Check air brake relay valve operation and check for Wheels and tires service. (13) leaks (or every month, or every 300 hours, whichever Hydraulic brake service (or every 6 months, occurs ﬁrst). whichever occurs ﬁrst). (6) (30) Clean air brake application valve (or every 3 months, Parking brake service (or every 6 months, whichever or every 300 hours, whichever occurs ﬁrst).
Page 255 72,000 Miles (115 000 km) Front and rear suspension service. (12) Spring-to-axle U-bolts and shackle bolts service. (14) Lubricate U-joints (or every 6 months, whichever Exhaust system service (or every 6 months, occurs ﬁrst). whichever occurs ﬁrst). (2) (3) (15) 75,000 Miles (120 000 km) Wheels and tires service.
Page 256 Fuel tank, fuel cap, and fuel lines service (or every Clean air brake application valve (or every 3 months, 72 months, whichever occurs ﬁrst). (2) (21) † or every 300 hours, whichever occurs ﬁrst). Lubricate linkage. Thermostatically controlled engine cooling fan service.
Page 257 Chassis lubrication service (or every 6 months, Air brake automatic slack adjuster service (or every whichever occurs ﬁrst). (10) 500 hours, whichever occurs ﬁrst). (27) Cooling system service. Clean the cooling system Check air brake relay valve operation and check for ﬁller cap with clean water, clean the core, pressure leaks (or every month, or every 300 hours, whichever test the cap and the system for proper pressure...
Page 258 97,500 Miles (156 000 km) Inspect air compressor discharge port (or every 6 months or every 1,800 hours, whichever Check ﬂuid levels (or every 3 months, whichever occurs ﬁrst). occurs ﬁrst). (1) (5) Trailer brake hand control valve service (or every Chassis lubrication service (or every 6 months, 12 months, or every 3,600 hours, whichever whichever occurs ﬁrst).
Page 259 300,000 Miles (480 000 km) (4) = Applies to vehicles sold in the United States and is recommended for vehicles sold in Canada. ® ® ® Rear axle service – Eaton , Rockwell , Spicer (5) = Check ﬂuid level in brake master cylinder, power axles (or every 12 months, whichever occurs steering pump, front and rear axles, transmission, ﬁrst).
Page 260 (9) = Inspect rear axle air shift motor for ﬂuid leaks. (11) = Check steering system: Remove plug to check ﬂuid level. Inspect air lines and • Look for damaged, loose, or missing parts. Inspect hoses for proper hook-up, binding, leaks, etc. Inspect at the steering linkage relay rod and tie rod ends for 1,000 miles (1 600 km) and 22,500 miles (36 000 km) looseness or lack of lubricant.
Page 261 (13) = Adjust tire pressures as indicated on the (17) = With the engine off and below normal operating Certiﬁcation or Tire Information label for optimum temperature, check to see that the thermostatically tire life. See Tires on page 5-64 for further details. Check controlled engine cooling fan can be rotated by hand tires for excessive or abnormal wear or damage.
Page 262 (21) = Check the fuel tank, fuel cap, and fuel lines for (26) = Air brake service: damage which could cause leakage. Inspect fuel cap for • Inspect brake lines and hoses for proper hook-up, correct sealing ability and any indications of damage. binding, leaks, cracks, chaﬁng, etc.
Page 263 • (30) = Tighten the wheel stud nuts to the speciﬁed torque Replace the air compressor ﬁlter element, mounted values at 100 miles (160 km). Thereafter, tighten them on the cab rear bridge. For remote air compressor 1,000 miles (1 600 km) after each time the wheel is intake service, refer to engine air cleaner ﬁlter removed.
Page 264: At Each Fuel Fill
Part B: Owner Checks and Services Engine Coolant Level Check ® Check the engine coolant level and add DEX-COOL Listed in this part are owner checks and services coolant mixture if necessary. See Engine Coolant which should be performed at the intervals speciﬁed to on page 5-25.
Page 265: Weatherstrip Lubrication
Weatherstrip Lubrication Starter Switch Check Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply CAUTION: silicone grease with a clean cloth. During very cold, damp weather more frequent application may be required. Part C tells you what to use. When you are doing this inspection, the vehicle could move suddenly.
Page 266: Exhaust System Inspection
Transmission Shift Indicator Check Exhaust System Inspection Check that the indicator points to the gear chosen. Be alert for any changes in the sound of the exhaust system or any smell of fumes. These are signs the Steering Check system may be leaking. Have it checked and/or repaired at once.
Page 267 Mirrors and Sun Visors Check Glass, Mirrors, Lamps, and/or Reﬂectors Condition Check Check that friction joints hold mirrors and sun visors in place. Look for broken, scratched, dirty, or damaged glass, mirrors, lamps, or reﬂectors that could reduce the view Seat Adjuster Check or visibility or cause injury.
Page 268: At Least Once A Year
Underbody Inspection At Least Once a Year Corrosive materials used for ice, snow removal, and Key Lock Cylinders Service dust control can collect on the underbody. If these materials are not removed, accelerated corrosion (rust) Lubricate the key lock cylinders with the lubricant can occur on underbody parts such as fuel lines, speciﬁed in Part C.
Page 269 Part C: Recommended Fluids and Usage Fluid/Lubricant Lubricants Windshield ® Washer Solvent Optikleen Washer Solvent. Fluids and lubricants identiﬁed below by name, part High-Temperature Grease Exhaust Brake (GM Part No. U.S. 1051344, in number, or speciﬁcation can be obtained from your Ball Joint Cap Canada 903037) or NLGI #3 dealer/retailer.
Page 270 Usage Fluid/Lubricant Usage Fluid/Lubricant Chassis Lubricant Refrigerant Oil Rear Axle Shift (GM Part No. U.S. 12377985, in (GM Part No. U.S. 5416939, in Chassis Motor Lubricant Canada 88901242) or lubricant Canada 10953496). Lubrication meeting requirements of NLGI #2, Wheel bearing lubricant Category LB or GC-LB.
Page 271 Part D: Maintenance Record After the scheduled services are performed, record the date, odometer reading and who performed the service, and any additional information from “Owner Checks and Services” on the following record pages. Also, you should retain all maintenance receipts. Miles/km Or Date Serviced By...
Page 272 Miles/km Or Date Serviced By Maintenance Record Hours 6-30...
Page 273 Miles/km Or Date Serviced By Maintenance Record Hours 6-31...
Page 274 Miles/km Or Date Serviced By Maintenance Record Hours 6-32...
Page 275: Customer Assistance Information
Section 7 Customer Assistance Information Customer Assistance and Information ....7-2 Reporting Safety Defects to the Customer Satisfaction Procedure ......7-2 Canadian Government .........7-9 Customer Assistance for Reporting Safety Defects to General Motors ..7-9 Text Telephone (TTY) Users ......7-3 Service Publications Ordering Information ..7-10 Customer Assistance Offices ......7-4 Vehicle Data Recording and Privacy ....7-11 GM Mobility Reimbursement Program ....7-5...
Page 276: Customer Assistance And Information
Oshawa by calling 1-800-263-3777 (English) or Your satisfaction and goodwill are important to 1-800-263-7854 (French). your dealer and to Chevrolet. Normally, any concerns We encourage you to call the toll-free number in order with the sales transaction or the operation of your to give your inquiry prompt attention.
Page 277 To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Chevrolet has TTY equipment available at its Customer Assistance Center. Any TTY user in the U.S. can communicate with Chevrolet by dialing: 1-800-833-CHEV...
Page 278: Customer Assistance Offices
Customer Assistance Offices Canada — Customer Assistance General Motors of Canada Limited Chevrolet encourages customers to call the toll-free Customer Communication Centre, CA1-163-005 number for assistance. However, if a customer wishes 1908 Colonel Sam Drive to write or e-mail, refer to the addresses below.
Page 279: Gm Mobility Reimbursement Program
GM Mobility Reimbursement Roadside Assistance Program Program GM Medium Duty truck’s Roadside Assistance provides stranded owner/operators with towing service for disabled GM Medium Duty trucks, during the base and/or engine warranty period, to the nearest authorized GM Medium Duty dealer. This service combines the efforts of trained telephone representatives with a network of GM Medium Duty truck services.
Page 280: Collision Damage Repair
Collision Damage Repair originally designed appearance and safety performance, however, the history of these parts is not known. Such parts are not covered by your GM New Vehicle If your vehicle is involved in a collision and it is damaged, Limited Warranty, and any related failures are not have the damage repaired by a qualiﬁed technician using covered by that warranty.
Page 281: Insuring Your Vehicle
Insuring Your Vehicle If a Crash Occurs Protect your investment in your GM vehicle with Here is what to do if you are involved in a crash. comprehensive and collision insurance coverage. • Try to relax and then check to make sure you are all There are signiﬁcant differences in the quality of right.
Page 282 • Managing the Vehicle Damage Repair Gather the important information you will need from the other driver. Things like name, address, phone Process number, driver’s license number, vehicle license plate, vehicle make, model and model year, Vehicle In the event that your vehicle requires damage repairs, Identiﬁcation Number (VIN), insurance company and GM recommends that you take an active role in its policy number, and a general description of the...
Page 283: Reporting Safety Defects
Reporting Safety Defects Reporting Safety Defects to the Canadian Government Reporting Safety Defects to the If you live in Canada, and you believe that your United States Government vehicle has a safety defect, notify Transport Canada immediately, in addition to notifying General Motors of If you believe that your vehicle has a defect which Canada Limited.
Page 284: Service Publications Ordering Information
Service Publications Ordering Current and Past Model Order Forms Information Technical Service Bulletins and Manuals are available for current and past model GM vehicles. To request Service Manuals an order form, specify year and model name of the vehicle. Service Manuals have the diagnosis and repair ORDER TOLL FREE: 1-800-551-4123 information on engines, transmission, axle suspension, brakes, electrical, steering, body, etc.
Page 285: Vehicle Data Recording And Privacy
Vehicle Data Recording and Event Data Recorders Privacy This vehicle has an Event Data Recorder (EDR). The main purpose of an EDR is to record, in certain Your GM vehicle has a number of sophisticated crash or near crash-like situations, such as an airbag computers that record information about the vehicle’s deployment or hitting a road obstacle, data that will performance and how it is driven.
Page 286: Navigation System
Navigation System To read data recorded by an EDR, special equipment is required, and access to the vehicle or the EDR is needed. In addition to the vehicle manufacturer, If your vehicle has a navigation system, use of the other parties, such as law enforcement, that have the system may result in the storage of destinations, special equipment, can read the information if they have addresses, telephone numbers, and other trip...
Page 287 Appearance Care (cont.) Instrument Panel, Vinyl, and Accessories and Modiﬁcations ......5-3 Other Plastic Surfaces ......5-77 Add-On Electrical Equipment ......5-83 Interior Cleaning .......... 5-75 Air Cleaner/Filter, Engine ......... 5-21 Sheet Metal Damage ........5-81 Air Conditioning ..........3-17 Tires ............
Page 288 Care of Safety Belts ..........5-77 Battery ............5-45 Center Console Storage Area ......2-35 Brake Center Seat ............. 1-6 Diesel Engine Exhaust ......... 2-16 Charging System Light ........3-23 Emergencies ..........4-5 Check Exhaust Indicator Light ......... 3-33 Engine Light ..........3-30 Trailer Hand Control Valve ......
Page 289 Climate Control System ........3-17 Air Filter, Passenger Compartment ....3-19 Daytime Running Lamps ........3-14 Outlet Adjustment ........3-19 Daytime Running Lamps Indicator Light ..... 3-34 Clock, Setting ..........3-39 Defensive Driving ..........4-2 Clutch, Hydraulic ..........5-24 Diesel Collision Damage Repair ........
Page 290 Driving (cont.) Engine (cont.) In Rain and on Wet Roads ......4-13 Check and Service Engine Soon Light .... 3-30 Rocking Your Vehicle to Get it Out ....4-18 Checks Before Operating ......2-13 Tow Hooks ..........4-19 Coolant ............5-25 Winter ............
Page 291 Fuel (cont.) Water in Warning Light ......... 3-36 Filter What Fuel to Use .......... 5-7 Engine Air Cleaner ........5-21 Fuses Finish Damage ..........5-81 Fuses and Circuit Breakers ......5-84 Fixed Mast Antenna ........3-45 Instrument Panel Fuse Block ......5-85 Flashers, Hazard Warning ........
Page 292 Hazard Warning Flashers ........3-6 Ignition Positions ..........2-8 Headlamp Wiring ..........5-83 Infants and Young Children, Restraints ....1-26 Headlamps ............ 3-13 Inﬂation - Tire Pressure ........5-65 Bulb Replacement ........5-60 Instrument Panel Daytime Running Lamps ....... 3-14 Overview .............
Page 293 Light (cont.) Traction Control System Active ...... 3-28 Lamps Trailer Antilock Brake System Warning .... 3-28 Dome ............3-15 Wait to Start Indicator ........3-30 Marker ............3-15 Water in Fuel Warning ......... 3-36 Rear Reading ..........3-16 Lights ............3-13 Lap Belt ............
Page 294 Maintenance Schedule (cont.) Part C - Recommended Fluids and Odometer ............3-22 Lubricants ..........6-27 Odometer, Trip ..........3-22 Part D - Maintenance Record ......6-29 Off-Road Recovery .......... 4-10 Scheduled Maintenance ......... 6-5 Scheduled Maintenance Supplements ....6-4 Change Engine Oil Light ....... 3-32 Using ............
Page 295 Paint, Damage ..........5-81 Radio Frequency Identiﬁcation (RFID), Privacy ..7-12 Park Brake ..........2-23, 2-24 Radios ............3-38 Parking ............2-23 Radio(s) ............3-40 Brake Burnish Procedure ......2-26 Radios Over Things That Burn ......... 2-27 Reception ........... 3-45 Two-Speed Rear Axle ........
Page 296 Service (cont.) Publications Ordering Information ....7-10 Safety Belt Transmission Warning Light ......3-24 Reminder Light ..........3-23 Sheet Metal Damage ........5-81 Safety Belts Side Door Glass ..........2-6 Care of ............5-77 Signals, Turn and Lane-Change ......3-8 How to Wear Safety Belts Properly ....
Page 297 Tires (cont.) Turn and Lane-Change Signals ......3-8 Inﬂation - Tire Pressure ........ 5-65 Turn Signal/Multifunction Lever ......3-7 Tightening the Wheel Nuts ......5-68 Two-Speed Rear Axle ........2-17 Wheel Alignment and Tire Balance ....5-68 Wheel Loading ..........5-66 Wheel Replacement ........
Page 298 Windows ............2-4 Manual ............2-4 Wait to Start Indicator ........3-30 Passenger Side Door Glass ......2-6 Warning Lights, Gages and Indicators ....3-20 Power ............2-5 Warnings Windshield Hazard Warning Flashers ....... 3-6 Washer ............3-10 Other Warning Devices ........3-6 Washer Fluid ..........