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GMC 2006 DURAMAX Manual

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2006 DURAMAX
Features and Controls ..................................... 2-1
Instrument Panel ............................................. 3-1
Driving Your Vehicle ....................................... 4-1
..................................................... 4-2
®
Diesel Engine
Service and Appearance Care .......................... 5-1
............. 2-2
Checking Things Under the Hood
Capacities and Specifications
........... 3-2
Maintenance Schedule ..................................... 6-1
Maintenance Schedule
Index ......................................................................... 1
M
..... 5-2
............... 5-18
..................... 5-50
................................ 6-2

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  • Page 1: Table Of Contents

    ® 2006 DURAMAX Diesel Engine Features and Controls ........2-1 Service and Appearance Care ......5-1 Starting and Operating Your Vehicle Diesel Fuel Requirements and Fuel System ..... 2-2 ..5-2 Checking Things Under the Hood ....5-18 Instrument Panel ..........3-1 Capacities and Specifications...

  • Page 2: Canadian Owners

    Canadian Owners General Motors, GM, GMC, CHEVROLET, the GM Emblem, the GMC Truck Emblem, the CHEVROLET Emblem, and the names SIERRA, SILVERADO, A French language copy of this manual can be obtained SAVANA and EXPRESS are registered trademarks from your dealer or from: of General Motors Corporation.
  • Page 3 Section 2 Features and Controls Starting and Operating Your Vehicle ....2-2 Fuel Operated Heater (FOH) (Van Models Only) ..2-8 Starting the Diesel Engine .......2-2 Engine Coolant Heater ........2-8 Winter Cover (Pickup Models Only) ....2-6...

  • Page 4: Starting And Operating Your Vehicle

    Starting and Operating Starting Your Engine Your Vehicle 1. Turn your ignition key to RUN. Observe the wait to start light. See Wait to Start Light on page 3-7. This light may not come on if Starting the Diesel Engine the engine is hot.
  • Page 5 If Your Diesel Engine Won’t Start When your engine is cold, let it run for a few minutes before you move your vehicle. This lets oil pressure If you’ve run out of fuel, look at Running Out of Fuel build up. Your engine will sound louder when it’s cold. on page 5-11.
  • Page 6 Be sure you are using the proper fuel for existing For pickup models, this feature can be turned off and weather conditions. See Diesel Fuel Requirements on using the DIC steering wheel control buttons. If your and Fuel System on page 5-2. vehicle is not equipped with the DIC steering wheel control buttons, do the following to turn on this feature: If the engine starts, runs a short time, then stops, your...
  • Page 7 Manual High Idle System The high idle speed will be temporarily interrupted and the engine speed will return to normal if any of (Van Models Only) the following conditions occur: • The brake pedal is applied. If your vehicle has this feature, the manual high •...

  • Page 8: Winter Cover (Pickup Models Only)

    Winter Cover (Pickup Models Only) Usage Guidelines The winter cover should only be used while operating If your vehicle includes a winter cover, it will enhance your vehicle in extremely cold temperatures. In these heater performance and will reduce the amount of time it temperatures, the vehicle does not need a large amount takes to warm the inside of your vehicle in extremely cold of air to properly cool the engine.

  • Page 9: Installation Instructions

    • Lower Cover Installation When the winter cover is used, the temperature sensor found on the inside rearview mirror will not 1. Pre-bend all of the small black tabs into the function properly. The temperature that is shown will shape of a J. be incorrect.

  • Page 10: Engine Coolant Heater

    Fuel Operated Heater (FOH) To Use the Engine Coolant Heater (Van Models Only) 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. If your vehicle includes a fuel operated heater (FOH), The cord is located in the engine compartment, it will enhance heater performance and will reduce the on the passenger’s side of the vehicle, near the amount of time it takes to warm the inside of your vehicle...
  • Page 11 4. Before starting the engine, be sure to unplug and Keep the coolant heater plugged in for a minimum of four hours. At temperatures below −20°F store the cord as it was before to keep it away from moving engine parts. If you don’t, it could (−29°C), the coolant heater should remain plugged in for be damaged.
  • Page 12 NOTES 2-10...

  • Page 13: Instrument Panel

    Section 3 Instrument Panel Warning Lights, Gages and Indicators ....3-2 Reduced Engine Power Light (Van Models Only) ...3-7 Instrument Panel Cluster .........3-2 Fuel Gage .............3-8 Malfunction Indicator Lamp ......3-4 Water in Fuel Warning Light (Van Models Only) ..3-9 Oil Pressure Gage ..........3-6 Driver Information Center (DIC) Wait to Start Light ..........3-7 (Pickup Models Only) ........3-9...

  • Page 14: Warning Lights, Gages And Indicators

    Warning Lights, Gages and Indicators Instrument Panel Cluster United States Pickup automatic transmission version shown, manual transmission and Canada similar...
  • Page 15 United States Van version shown, Canada similar Your instrument cluster is designed to let you know at a glance how your vehicle is running. You’ll know how fast you’re going, about how much fuel you have and many other things you’ll need to know to drive safely and economically.

  • Page 16: Malfunction Indicator Lamp

    Malfunction Indicator Lamp The check engine light comes on to indicate when service is required. Malfunctions often will be indicated by the system before any problem is apparent. This may prevent Check Engine Light more serious damage to your vehicle. This system is also designed to assist your service technician in correctly diagnosing any malfunction.

  • Page 17: Emissions Inspection And Maintenance Programs

    If the Light Comes On Emissions Inspection and Maintenance Programs This light should come on, as a check to show you it is working, when the ignition is on and the engine is not Some state/provincial and local governments have or running.

  • Page 18: Oil Pressure Gage

    Oil Pressure Gage The oil pressure gage shows the engine oil pressure in psi (pounds per square inch) when the engine is running. Canadian vehicles indicate pressure in kPa (kilopascals). Oil pressure may vary under different driving conditions ® and oil types. The DURAMAX engine may generate oil pressure in excess of 80 psi (548 kPa) under certain conditions, especially in cold temperatures.

  • Page 19: Wait To Start Light

    Wait to Start Light Reduced Engine Power Light (Van Models Only) Your diesel engine has a glow plug system to aid in If the reduced engine starting your vehicle. power light comes on while you are driving, the computer is indicating that your vehicle has a problem.

  • Page 20: Fuel Gage

    Fuel Gage When the ignition is on, the fuel gage shows you approximately how much fuel you have left in your tank. The gage will first indicate E (empty) before you are out of fuel, but you should get more fuel as soon as possible. Listed are four situations you may experience with your fuel gage: •...

  • Page 21: Starting The Diesel Engine

    ® Water in Fuel Warning Light Some messages that your DURAMAX diesel may show are: (Van Models Only) ELEVATED IDLE OFF The light will come on to This message will appear when the elevated warn you if there is water idle/exhaust restrictor feature has been turned off.
  • Page 22 FUEL FILTER LIFE ###% For vehicles without steering wheel controls, do the following: This feature is available on vehicles with steering wheel 1. Without pressing the pedals, turn the ignition key to controls. When the fuel button is pressed and FUEL the on position without starting the engine.

  • Page 23: Driving Your Vehicle

    Section 4 Driving Your Vehicle Towing ............4-2 Towing a Trailer ..........4-2...

  • Page 24: Towing

    Towing To avoid this, let the engine run while parked (preferably on level ground) with automatic transmission equipped vehicles in PARK (P) or manual transmission equipped Towing a Trailer vehicles in NEUTRAL with the park brake applied for at least five minutes before turning the engine off. If you do When towing at high altitude on steep uphill grades, get the overheat warning, see Engine Overheating on consider the following:...

  • Page 25: Service And Appearance Care

    Section 5 Service and Appearance Care Diesel Fuel Requirements and Fuel System ..5-2 Checking Things Under the Hood ....5-18 Diesel Engine Fuel .........5-2 Engine Compartment Overview .......5-18 What Fuel to Use ...........5-3 Engine Oil ...........5-21 Very Cold Weather Operation ......5-5 Engine Oil Life System ........5-24 Water in Fuel ..........5-5 Engine Air Cleaner/Filter ........5-25...

  • Page 26: Diesel Fuel Requirements And Fuel System

    Diesel Fuel Requirements and Diesel Engine Fuel Fuel System Notice: Diesel fuel or fuel additives not recommended in this manual could damage your Some states and provinces have restrictions on the fuel system, fuel-operated heater (FOH) (Van models purchase of diesel fuel for light-duty vehicles and require only) and engine.

  • Page 27: What Fuel To Use

    What Fuel to Use It is acceptable to use diesel fuel containing up to 5% biodiesel (B5), but the final blended fuel must meet the same specification, ASTM D 975 (Grade Low Sulfur), In the United States, for best results use No. 2-D diesel as other fuels used in your vehicle, and the biodiesel fuel year-round (above and below freezing conditions) used for making this fuel must meet the latest version of...
  • Page 28 What Fuel to Use in Canada Diesel fuel may foam when you fill your tank. This can cause the automatic pump nozzle to shut off, even Canadian fuels are blended for seasonal changes. Diesel though your tank is not full. If this happens, just wait for Type “A”...

  • Page 29: Very Cold Weather Operation

    Water in Fuel It is acceptable to use diesel fuel containing up to 5% biodiesel (B5), but the final blended fuel must meet the same specification, CAN/CGSB-3.517 (Low Sulfur Diesel) in Canada, as other fuels used in your vehicle, CAUTION: and the biodiesel used for making this fuel must meet the latest version of ASTM specification D 6751.

  • Page 30: Water In Fuel Light Chart

    Water in Fuel Light Chart If you have a pickup model and this happens, a WATER IN FUEL message will appear on the Driver Information Center (DIC). The water must be drained. If the WATER IN FUEL DIC message or water in fuel warning light comes on, use this chart.
  • Page 31 Water In Fuel Light/Message Chart To drain water, do the following: (cont’d) 1. Stop and park the vehicle in a safe place. Turn off the engine and apply the parking brake. Problem Recommended Action 2. Remove the fuel cap. • Fuel tank purging Immediately after required.
  • Page 32 6. Remove the fuel-resistant container and properly dispose of the contaminated fuel. To find out how to properly dispose of contaminated diesel fuel, see “What to Do With Used Oil” under Engine Oil on page 5-21. 7. Install the fuel cap. 8.
  • Page 33 Fuel Priming However, the engine may not be able to start until the fuel system is primed and the air is removed. In order for the fuel system to work properly, the fuel lines must be full of fuel and contain no air. If air gets into the How do I prime the vehicle? (Pickup Models) fuel lines, it will be necessary to prime the fuel lines, to eliminate air before operating the vehicle.
  • Page 34 5. Open the fuel filter vent 7. Operate the priming pump until a small amount of valve by turning the fuel seeps from the vent valve. When you see the screw counterclockwise fuel, the filter is now full of fuel and the system several full turns.

  • Page 35: Running Out Of Fuel

    Running Out of Fuel 4. If the engine does not run after repeating Steps 1 and 2 three times, turn the ignition key off for 60 seconds, allowing the Electronic Control Pickup Models Module (ECM) to reset. If the engine stalls and you think that you have run out 5.

  • Page 36: Fuel Filter Replacement

    Van Models Fuel Filter Replacement If the engine stalls and you think that you may have run Pickup Models out of fuel, do this to restart your engine: If you want to change the fuel filter yourself, here’s how 1. If you are parked on a level surface, add at least to do it: one gallon of fuel.
  • Page 37 2. Unplug the water 9. Reset the fuel filter monitor. See Driver Information sensor wire connected Center (DIC) (Pickup Models Only) on page 3-9 for to the fuel filter and more information. unscrew the filter Van Models element. If your fuel operated heater (FOH) is not working, your FOH line requires priming.
  • Page 38 Primary Filter (A) 4. Install the new filter element. 5. Reinstall and tighten the filter’s cap and reconnect 1. Apply the parking brake. the water sensor wire to the filter. 6. Prime the fuel system. 7. Start your engine and let it idle for five minutes. Secondary Filter (B) 1.

  • Page 39: Filling The Tank

    Filling the Tank CAUTION: Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid injuries to you and others, read and follow all the instructions on the pump island. Turn off your engine when you are refueling. Do not smoke if you are near fuel or refueling your vehicle.
  • Page 40 To remove the fuel cap, turn it slowly to the left Be careful not to spill diesel fuel. Don’t top off or overfill (counterclockwise). your tank, and wait a few seconds after you’ve finished pumping before you remove the nozzle. Clean fuel from painted surfaces as soon as possible.

  • Page 41: Filling A Portable Fuel Container

    Filling a Portable Fuel Container CAUTION: CAUTION: If a fire starts while you are refueling, do not remove the nozzle. Shut off the flow of fuel Never fill a portable fuel container while it is in by shutting off the pump or by notifying the your vehicle.

  • Page 42: Checking Things Under The Hood

    Checking Things Under the Hood Engine Compartment Overview ® When you open the hood on the 6.6L DURAMAX Diesel Engine, you’ll see: United States pickup models shown, Canada similar 5-18...
  • Page 43 A. Engine Air Cleaner/Filter H. Engine Fan B. Coolant Surge Tank I. Power Steering Fluid Reservoir C. Battery J. Remote Negative (−) Terminal D. Engine Air Cleaner/Filter Restriction Indicator K. Remote Positive (+) Terminal (If Equipped) L. Brake Fluid Reservoir E.
  • Page 44 United States van models shown, Canada similar 5-20...

  • Page 45: Engine Oil

    A. Battery In order to get an accurate reading, the oil must be warm, at normal operating temperature, and the vehicle B. Coolant Surge Tank must be on level ground. C. Automatic Transmission Dipstick 1. Turn off the engine and give the oil at least D.

  • Page 46: What Kind Of Engine Oil To Use

    What Kind of Engine Oil to Use See Engine Compartment Overview on page 5-18 for Look for these two things: the location of the engine oil fill cap. • CI-4 or CH-4 Oils designated as API CI-4 or CH-4 are recommended for your vehicle.
  • Page 47 • SAE 15W-40 As shown in the viscosity chart, SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 at temperatures above 0°F (−18°C). When it is very cold, below 0°F (−18°C), you should use SAE 5W-40 to improve cold starting. 5W-40 is not recommended for use at high temperatures, above 100°F (38°C).

  • Page 48: Engine Oil Life System

    Engine Oil Additives If the system is ever reset accidentally, you must change your oil at 3,000 miles (5 000 km) since your Do not add anything to your oil. The recommended oils last oil change. Remember to reset the oil life system with the API service symbol are all you will need for whenever the oil is changed.

  • Page 49: Engine Air Cleaner/Filter

    What to Do with Used Oil Engine Air Cleaner/Filter Used engine oil contains certain elements that may be Pickup Models unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your The air cleaner/filter skin and nails with soap and water, or a good hand assembly may have an...
  • Page 50 To inspect and replace the filter and reset the restriction 4. Install the new engine air cleaner/filter. indicator, do the following: 5. Reinstall the cover and tighten the screw. 6. Reset the air cleaner/filter restriction indicator, if equipped, by pressing the top button on the indicator.

  • Page 51: How To Inspect

    Van Models How to Inspect When the restriction indicator is in the red/orange The air cleaner/filter “change” zone, replace the filter and reset the assembly may have an restriction indicator. air cleaner/filter restriction indicator that lets you To inspect and replace the filter and reset the restriction know when the engine air indicator, do the following: cleaner/filter is dirty and...
  • Page 52 See Scheduled Maintenance on page 6-4 to determine when to replace the engine air cleaner/filter. CAUTION: Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires.

  • Page 53: Automatic Transmission Fluid

    Automatic Transmission Fluid How to Check Because this operation can be a little difficult, you may When to Check and Change choose to have this done at the dealership service (Pickup Models) department. If you do it yourself, be sure to follow all the instructions A good time to check your automatic transmission fluid here, or you could get a false reading on the dipstick.

  • Page 54: Checking The Fluid Level

    Checking the Fluid Level Then, without shutting off the engine, follow these steps: Cold Check Procedure Prepare your vehicle as follows: • Park your vehicle on a level place. Keep the The purpose of the cold check is to determine if the engine running.

  • Page 55: How To Add Fluid

    Consistency of Readings 5. Perform a hot check at the first opportunity after the normal operating temperature of 160°F (71°C) to Always check the fluid level at least twice using the 200°F (93°C) is reached. procedures described previously. Consistency 6. If the fluid level is in the acceptable range, push the (repeatable readings) is important to maintaining proper dipstick back in all the way.

  • Page 56: When To Check And Change

    When to Check and Change Wait at least 30 minutes before checking the transmission fluid level if you have been driving: (Van Models) • When outside temperatures are above 90°F (32° C). A good time to check your automatic transmission fluid •...
  • Page 57 Checking the Fluid Level The transmission dipstick is located near the center of the engine compartment and will be labeled with the Prepare your vehicle as follows: graphic shown. See Engine Compartment Overview • on page 5-18 for more information on location. Park your vehicle on a level place.

  • Page 58: Engine Coolant

    How to Add Fluid Engine Coolant Refer to the Maintenance Schedule to determine what Pickup Models kind of transmission fluid to use. See Recommended The cooling system in your vehicle is filled with Fluids and Lubricants on page 6-15. ® DEX-COOL engine coolant.

  • Page 59: What To Use

    What to Use Notice: If you use an improper coolant mixture, your engine could overheat and be badly damaged. The Use a mixture of one-half clean, drinkable water and repair cost would not be covered by your warranty. ® one-half DEX-COOL coolant which won’t damage Too much water in the mixture can freeze and crack aluminum parts.

  • Page 60: Adding Coolant

    Checking Coolant The vehicle must be on a level surface. When your engine is cold, the coolant level should be at the FULL COLD mark. The coolant surge tank is located in the engine Adding Coolant compartment on the ® If you need more coolant, add the proper DEX-COOL passenger’s side of the coolant mixture at the surge tank, but only when the...
  • Page 61 Van Models What to Use The cooling system in your vehicle is filled with Use a mixture of one-half clean, drinkable water and ® ® DEX-COOL engine coolant. This coolant is designed to one-half DEX-COOL coolant which won’t damage remain in your vehicle for 5 years or 150,000 miles aluminum parts.

  • Page 62: Checking Coolant

    If you have to add coolant more than four times a year, have your dealer check your cooling system. CAUTION: Notice: If you use extra inhibitors and/or additives in your vehicle’s cooling system, you could damage Turning the radiator pressure cap when the your vehicle.

  • Page 63: Radiator Pressure Cap

    Adding Coolant Coolant Surge Tank Pressure Cap ® If you need more coolant, add the proper DEX-COOL The surge tank pressure coolant mixture at the coolant recovery tank, but be cap must be tightly careful not to spill it. installed. CAUTION: You can be burned if you spill coolant on hot components in the engine compartment.

  • Page 64: 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 condition, CAUTION: can indicate a serious problem. If you get an engine overheat warning and don’t have a Steam from an overheated engine can burn you low coolant condition, but see or hear no steam, the badly, even if you just open the hood.

  • Page 65: Cooling System

    Cooling System If you get the overheat warning with no sign of steam, try this for a minute or so: Pickup Models 1. In heavy traffic, let the engine idle in NEUTRAL (N) while stopped. If it is safe to do so, pull off the road, When you decide it’s safe to lift the hood, here’s what shift to PARK (P) or NEUTRAL (N), and let the you’ll see:...
  • Page 66 The coolant level should If there seems to be no leak, start the engine again. If be at or above the FULL your vehicle is equipped with an engine driven cooling COLD mark. If it isn’t, you fan, the engine cooling fan speed should increase when may have a leak at the idle speed is doubled by pushing the accelerator pedal pressure cap or in the...

  • Page 67: How To Add Coolant To The Coolant Surge Tank

    How to Add Coolant to the Coolant CAUTION: (Continued) Surge Tank Notice: The diesel engine has a specific coolant Never turn the cap when the cooling system, fill procedure. Failure to follow this procedure could including the coolant surge tank pressure cap, cause your engine to overheat and be severely is hot.
  • Page 68 Notice: In cold weather, water can freeze and crack 2. Then keep turning the cap, but now push down as the engine, radiator, heater core and other parts. you turn it. Remove the pressure cap. Use the recommended coolant and the proper coolant mixture.
  • Page 69 6. Then fill the coolant surge tank with the proper 7. With the coolant surge tank pressure cap off, start mixture, to slightly above the fill mark. the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan.
  • Page 70 Van Models When the engine is cold, the coolant level should When you decide it is safe to lift the hood, here is what be at or above the you will see: COLD FILL mark. If it is not, you may have a leak at the pressure cap or in the radiator hoses, heater hoses, radiator, water pump, fuel operated heater (FOH) or somewhere else in the cooling system.
  • Page 71 ® Notice: Using coolant other than DEX-COOL cause premature engine, heater core, radiator and CAUTION: fuel operated heater (FOH) corrosion. In addition, the engine coolant may require changing sooner, at 30,000 miles (50 000 km) or 24 months, whichever Heater and radiator hoses, and other engine occurs first.
  • Page 72 If no coolant is visible in the surge tank, add coolant as follows: CAUTION: CAUTION: Adding only plain water to your cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil Steam and scalding liquids from a hot cooling before the proper coolant mixture will.
  • Page 73 1. You can remove the coolant surge tank pressure cap when the cooling system, including the coolant surge CAUTION: tank pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise about one full turn. You can be burned if you spill coolant on hot If you hear a hiss, wait for that to stop.

  • Page 74: Capacities And Specifications

    Capacities and Specifications Specification Charts Engine VIN Code Type 6.6L V8 Turbo Diesel Capacities Capacities Application English Metric Cooling System (Pickup Models) 25.4 quarts 24.0 L Automatic Transmission 25.0 quarts 23.6 L Manual Transmission Cooling System (Van Models) 21.0 quarts 20.0 L Front Heat or AC Only 22.0 quarts...
  • Page 75 Section 6 Maintenance Schedule Maintenance Schedule ........6-2 Owner Checks and Services ......6-11 Introduction ...........6-2 At Each Fuel Fill ..........6-11 Maintenance Requirements ......6-2 At Least Once a Month .........6-12 Your Vehicle and the Environment ....6-2 At Least Once a Year ........6-12 Using the Maintenance Schedule ......6-2 Recommended Fluids and Lubricants ....6-15 Scheduled Maintenance ........6-4...

  • Page 76: Maintenance Schedule

    Maintenance Schedule Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep Introduction your vehicle in good working condition, but also helps the environment. All recommended maintenance is Important: Keep engine oil at the proper level and important.
  • Page 77 This schedule is for vehicles that: • carry passengers and cargo within recommended CAUTION: limits. You will find these limits on the Tire and Loading Information label. See “Loading Your Performing maintenance work on a vehicle Vehicle” in your owner manual. can be dangerous.

  • Page 78: Scheduled Maintenance

    Owner Checks and Services on page 6-11 tells you If the engine oil life system is ever reset accidentally, you what should be checked, when to check it, and what must service your vehicle within 3,000 miles (5 000 km) you can easily do to help keep your vehicle in good since your last service.
  • Page 79 Scheduled Maintenance Service Maintenance I Maintenance II Change engine oil and filter. See Engine Oil on page 5-21. Reset oil life • • system. See Engine Oil Life System on page 5-24. An Emission Control Service. ® Allison Transmission only: Replace external transmission filter at the first maintenance service performed on the vehicle.
  • Page 80 Scheduled Maintenance (cont’d) Service Maintenance I Maintenance II • Inspect engine cooling system. See footnote (e). • Inspect wiper blades. See footnote (f). • Inspect restraint system components. See footnote (g). • Lubricate body components. See footnote (h). • Check transmission fluid level and add fluid as needed. Van models: Replace both fuel filters.

  • Page 81: Additional Required Services

    Additional Required Services The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item. Additional Required Services 25,000 50,000 75,000 100,000 125,000 150,000 Service and Miles (Kilometers) (40 000) (80 000) (120 000) (160 000)
  • Page 82 Additional Required Services (cont’d) 25,000 50,000 75,000 100,000 125,000 150,000 Service and Miles (Kilometers) (40 000) (80 000) (120 000) (160 000) (200 000) (240 000) Van models: Change automatic • • • transmission fluid and filter (severe service). See footnote (p). Van models: Change automatic •...

  • Page 83: Maintenance Footnotes

    Maintenance Footnotes (c) Visually inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. † The U.S. Environmental Protection Agency or the Inspect drum brake linings/shoes for wear or cracks. California Air Resources Board has determined that the Inspect other brake parts, including drums, wheel failure to perform this maintenance item will not nullify...
  • Page 84 (g) Make sure the safety belt reminder light and all your (j) Pickup Models: This vehicle has a CHANGE FUEL belts, buckles, latch plates, retractors, and anchorages FILTER message in the Driver Information Center (DIC) are working properly. Look for any other loose or to tell you when to replace the fuel filter.

  • Page 85: Engine Oil Level Check

    Owner Checks and Services (n) Change clutch fluid (or every 24 months, whichever occurs first). These owner checks and services should be performed (p) Change automatic transmission fluid and external at the intervals specified to help ensure the safety, transmission filter if the vehicle is mainly driven dependability, and emission control performance of your under one or more of these conditions: ®...

  • Page 86: At Least Once A Month

    Engine Coolant Level Check At Least Once a Year Check the engine coolant level and add Starter Switch Check ® DEX-COOL coolant mixture if necessary. See Engine Coolant on page 5-34 for further details. Windshield Washer Fluid Level Check CAUTION: Check the windshield washer fluid level in the windshield washer fluid reservoir and add the proper fluid if When you are doing this inspection, the...

  • Page 87: Ignition Transmission Lock Check

    Automatic Transmission Shift Lock 3. With the engine off, turn the ignition to RUN, but do not start the engine. Without applying the regular Control System Check brake, try to move the shift lever out of PARK (P) with normal effort. If the shift lever moves out ®...

  • Page 88: Underbody Flushing Service

    Parking Brake and Automatic Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, Transmission Park (P) Mechanism Check set the parking brake. • To check the parking brake’s holding ability: With the CAUTION: engine running and transmission in NEUTRAL (N), slowly remove foot pressure from the regular brake...

  • Page 89: Recommended Fluids And Lubricants

    Recommended Fluids and Usage Fluid/Lubricant Lubricants Windshield ® GM Optikleen Washer Solvent. Washer Fluids and lubricants identified below by name, Chassis Lubricant Van Models: (GM Part No. U.S. 12377985, in part number, or specification may be obtained from Parking Brake Canada 88901242) or lubricant your dealer.
  • Page 90 Usage Fluid/Lubricant Usage Fluid/Lubricant Pickup Models: Wheel bearing lubricant meeting Manual Van Models: requirements of NLGI #2, Transmission Synchromesh Transmission Fluid Front Wheel Category GC or GC-LB (5-Speed (GM Part No. U.S. 12345349, in Bearings (GM Part No. U.S. 1051344, without Canada 10953465).
  • Page 91 Usage Fluid/Lubricant Usage Fluid/Lubricant Van Models: Multi-Purpose Lubricant, Superlube One-Piece Hood Hinges (GM Part No. U.S. 12346241, Spline Lubricant, Special Lubricant Propshaft Slip in Canada 10953474). (GM Part No. U.S. 12345879, in Yoke Spline, Pickup Models: Canada 10953511) or lubricant Two-Piece Body Door meeting requirements of...

  • Page 92: Normal Maintenance Replacement Parts

    Normal Maintenance Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your dealer. ® Part GM Part Number ACDelco Part Number Oil Filter 88917036 PF2232 Engine Air Cleaner/Filter 25332443 A1618C Pickups Models 15102546 A2959C Van Models Fuel Filter(s)

  • Page 93: Engine Drive Belt Routing

    Engine Drive Belt Routing 6-19...

  • Page 94: Maintenance Record

    Maintenance Record After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. See Maintenance Requirements on page 6-2. Any additional information from Owner Checks and Services on page 6-11 can be added on the following record pages. You should retain all maintenance receipts.
  • Page 95 Maintenance Record (cont’d) Odometer Maintenance I or Date Serviced By Services Performed Reading Maintenance II 6-21...
  • Page 96 Maintenance Record (cont’d) Odometer Maintenance I or Date Serviced By Services Performed Reading Maintenance II 6-22...
  • Page 97 Diesel (cont.) Fuel Requirements and Fuel System ....5-2 Automatic Transmission, Fluid ......5-29 Running Out of Fuel ........5-11 Very Cold Weather Operation ......5-5 Water in Fuel ..........5-5 Water in Fuel Light Chart ....... 5-6 What Fuel to Use .......... 5-3 Canadian Owners ..........
  • Page 98 Fuel Instrument Panel Cluster ........3-2 At Each Fuel Fill ......... 6-11 Diesel Engine ..........5-2 Diesel Requirements and Fuel System ..... 5-2 Filling a Portable Fuel Container ....5-17 Light Filling Your Tank .......... 5-15 Reduced Engine Power ........3-7 Filter Replacement ........
  • Page 99 Maintenance Schedule Power At Each Fuel Fill ......... 6-11 Reduced Engine Light ........3-7 At Least Once a Month ........ 6-12 At Least Once a Year ........6-12 Introduction ..........6-2 Maintenance Requirements ......6-2 Radiator Pressure Cap ........5-39 Scheduled Maintenance .........
  • Page 100 Towing Wait to Start Light ..........3-7 Trailer ............4-2 Water in Fuel ........... 5-5 Transmission, Automatic Fluid ......5-29 Water in Fuel Light Chart ........5-6 Water in Fuel Warning Light ....... 3-9 Winter Cover ........... 2-6...

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