Chevrolet/GMC 2014 Duramax Owner's Manual

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Page 1: Table Of Contents
2014 Chevrolet/GMC Duramax Diesel Supplement In Brief ......1-1 Driving and Operating ..9-1 Service and Maintenance .
Page 2 Introduction The names, logos, emblems, Please refer to the purchase Canadian Vehicle Owners slogans, vehicle model names, and documentation relating to your Propriétaires Canadiens vehicle body designs appearing in specific vehicle to confirm each of this manual including, but not limited the features found on your vehicle.
Page 3 Introduction Using this Supplement Index A good place to look for what you This supplement contains need is the Index in back of this information specific to the unique supplement. It is an alphabetical list components of the vehicle. It does of what is in the supplement, and not explain everything you need to the page number where you will...
Page 4 Introduction NOTES...
Page 5: In Brief
In Brief In Brief Initial Drive For areas where ambient temperatures are below 40°C Information ( 40°F), use synthetic transmission fluid approved to Allison Initial Drive Information ® Transmission Transmission specification Transmission ....1-1 TES-295.
Page 6: Performance And Maintenance
In Brief Heater Performance Mode Performance and The oil life system can also be reset as follows: When cold weather conditions are Maintenance detected, the transmission raises 1. Turn the ignition to ON/RUN with part throttle upshift points after the the engine off.
Page 7: Diesel Particulate Filter
In Brief Diesel Particulate Filter IS CLEARED message is no longer Information Center will display the displayed. Cleaning occurs most message CLEANING EXHAUST The Duramax engine is equipped effectively above 48 km/h (30 mph). FILTER KEEP DRIVING UNTIL with a Diesel Particulate Filter (DPF) If the vehicle is returned to idle MESSAGE IS CLEARED.
Page 8: Diesel Exhaust Fluid
In Brief Do Not Use Low Sulfur Diesel Diesel Exhaust Fluid As the DEF tank becomes low Fuel (LSD) on fluid, warnings begin with Diesel Exhaust Fluid (DEF) is used approximately 1600 km (1,000 mi) of Do not use fuel that is dispensed with diesel engines to reduce the remaining range.
Page 9: Instruments And Controls
Instruments and Controls Instruments and Information Displays Service Vehicle Messages . . . 5-12 Starting the Vehicle Driver Information Controls Messages ....5-13 Center (DIC) .
Page 10 Instruments and Controls Warning Lights, Gauges, and Indicators Instrument Cluster English Pickup Shown, Metric Similar...
Page 11 Instruments and Controls English Van Shown, Metric Similar...
Page 12: Instruments And Controls
Instruments and Controls See the owner manual for warning Fuel Gauge lights and gauges not listed in this supplement. Metric Van Models Metric Pickup Models English Van Models English Pickup Models...
Page 13 Instruments and Controls The gauge moves a little while When the ignition is on, the fuel Engine Oil Pressure turning a corner or speeding up. gauge shows approximately how Gauge much fuel the vehicle has left in the The gauge does not go back to tank.
Page 14 Instruments and Controls The engine oil pressure gauge reads in kPa (kilopascals) or psi (pounds per square inch) when the engine is running. Oil pressure may vary with engine speed, outside temperature, and oil viscosity. If readings are outside the normal operating range, the low oil pressure message may display on the Driver Information Center (DIC),...
Page 15: Malfunction Indicator Lamp
Instruments and Controls Malfunction This light may also come on when those of the same Tire the Diesel Exhaust Fluid (DEF) Performance Criteria (TPC) can Indicator Lamp management system is not working. affect the vehicle's emission See Diesel Exhaust Fluid on controls and can cause this light A computer system called OBD II page 9-13.
Page 16 Instruments and Controls The OBD II (On-Board These conditions might go away Diagnostics) system determines once the engine is warmed up. that critical emission control See Fuel for Diesel Engines on systems have not been page 9-20. completely diagnosed. The If this does not make the light turn vehicle would be considered not off, your dealer can check the...
Page 17: Information Displays
Instruments and Controls Wait-to-Start Light Diesel Exhaust Fluid Information Displays (DEF) Warning Light Driver Information Center (DIC) The DIC is on the instrument panel above the steering wheel. The DIC comes on when the ignition is on. If the wait-to-start light comes on, A Duramax Diesel vehicle may have the glow plug system is required the following additional DIC menu...
Page 18: Vehicle Messages
5-10 Instruments and Controls FUEL FILTER LIFE REMAINING FUEL FILTER LIFE RESET Vehicle Messages This display shows an estimate of You must reset the FUEL FILTER The Driver Information Center (DIC) the fuel filter's remaining useful life. LIFE REMAINING display after each will display warning messages if a If you see 90% FUEL FILTER LIFE fuel filter change.
Page 19: Engine Oil Messages
Instruments and Controls 5-11 Engine Cooling System Engine Oil Messages Fuel System Messages Messages ENGINE OIL LOW ADD OIL CHANGE FUEL FILTER COOLANT LEVEL LOW ADD This message only displays when This message will appear on the COOLANT the ignition key is turned to ON/RUN DIC for 10 seconds when a fuel filter and the oil level in the vehicle is low.
Page 20: Service Vehicle Messages
5-12 Instruments and Controls EXHAUST FLUID RANGE: EXHAUST FLUID QUALITY REDUCED message will be displayed. Vehicle performance will XXXX KM (MI) POOR SEE OWNERS be limited. See Diesel Particulate MANUAL NOW When the exhaust fluid is getting Filter on page 9-11. low, the range will be displayed in This message displays when the either kilometers or miles.
Page 21: Transmission Messages
Instruments and Controls 5-13 Starting the Vehicle of the available settings and press of the available settings and press the set/reset button while it is the set/reset button while it is Messages displayed on the DIC to select it. displayed on the DIC to select it. ELEVATED IDLE OFF ELEVATED IDLE ON FAST IDLE ON...
Page 22: Vehicle Speed Messages
5-14 Instruments and Controls Vehicle Speed Messages The vehicle speed will be limited to SPEED LIMITED TO 88 KM/H 88 km/h (55 mph) when the (55 MPH) For more information on these countdown is over. This message will be displayed messages, see Diesel Exhaust Fluid XXX KM (MI) UNTIL 7 KM/H along with other messages.
Page 23: Vehicle Personalization
Instruments and Controls 5-15 TRANSITIONING TO XX KM/H Vehicle Feature Settings Menu Items (XX MPH) MAX SPEED Personalization PTO STANDBY SPEED This message will be displayed This feature allows you to select the Your Duramax Diesel vehicle may along with other messages. These PTO standby speed.
Page 24 5-16 Instruments and Controls NO CHANGE PTO SET 1 SPEED To select a setting, press the set/ reset button while the desired To select a setting, press the set/ This feature, available if the vehicle setting is displayed on the DIC. reset button while the desired is configured for Stationary Preset setting is displayed on the DIC.
Page 25 Instruments and Controls 5-17 95 MINUTES To select a setting, press the set/ reset button while the desired 110 MINUTES setting is displayed on the DIC. NO CHANGE PTO SHUTDOWN TIME To select a setting, press the set/ This feature, available if the vehicle reset button while the desired is configured for Stationary Preset setting is displayed on the DIC.
Page 26 5-18 Instruments and Controls NOTES...
Page 27: Driving And Operating
Driving and Operating Driving and Fuel Starting and Fuel for Diesel Engines ..9-20 Operating Operating What Fuel to Use in The U.S....9-20 Starting the Diesel What Fuel to Use in Canada and Mexico .
Page 28 Driving and Operating 2. As soon as the wait-to-start light When the engine is cold, let it run If the Diesel Engine Will Not goes off, immediately turn the for a few minutes before you move Start ignition key to START. When the the vehicle.
Page 29 Driving and Operating Be sure you have the right oil for the Engine Idle Variations This feature can be turned on or off engine, and that you have changed using the DIC buttons. If the vehicle Under certain conditions the engine the oil at the proper times.
Page 30 Driving and Operating The engine idle speed will return to Fast Idle Control Fast Idle control will be disabled normal once the following conditions when one or more of the following The vehicle may have this system are met: conditions occur: which can be used to increase the Engine coolant temperature The cruise control is in the Off...
Page 31 Driving and Operating Winter Cover Usage Guidelines The winter cover should only be If the vehicle includes a winter used while operating the vehicle in cover, it can be used to enhance extremely cold temperatures or in heater performance in extremely heavy snow for extended periods of cold conditions below 18°C (0°F).
Page 32 Driving and Operating When the winter cover is used, Installation Instructions Installation (Chevrolet Pickup) the temperature sensor found When first trying to fit the cover, it 1. Open the hood. on the inside rearview mirror may appear to be undersized. This will not function properly.
Page 33 Driving and Operating 5. Hook the J-clips to the side edge of the grille. 6. To remove the winter cover, reverse the steps listed previously. Installation (GMC Pickup) 1. Open the hood. 2. Slide the channels of the cover down the back edge of the grille on both sides.
Page 34 Driving and Operating 5. To remove the winter cover, reverse the steps listed previously. Installation (Van Models) 1. Open the hood and secure it with the prop rod. 3. Insert the pockets between the 4. Hook the J-clips to the top edge grille and the bumper.
Page 35: Engine Heater
Driving and Operating 4. Attach the metal hooks, one each at the top corners. 5. To remove the winter cover, reverse the steps listed previously. Engine Heater The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 18°C (0°F).
Page 36 9-10 Driving and Operating The length of time the heater should Fuel Operated Warning remain plugged in depends on the Heater (FOH) outside temperature. You may wish Plugging the cord into an to use the coolant heater to improve ungrounded outlet could cause an ease of starting at temperatures electrical shock.
Page 37: Diesel Particulate Filter
Driving and Operating 9-11 The FOH will turn on if all of the Diesel Particulate Module (ECM). The self-cleaning following conditions exist: occurs approximately once per tank Filter of fuel. Outside air temperature is below or equal to 4°C (39°F). The vehicle has a Diesel Particulate Permanent damage can Filter (DPF) as part of the exhaust...
Page 38 9-12 Driving and Operating action. Continued idling with the and Engine Oil on page 10-6 for Warning warning light/message on could more information on those cause irreversible damage to the requirements. During DPF self cleaning or DPF requiring repair and possible Extended idling in P (Park) can during extended idling in P (Park), replacement that might not be...
Page 39: Diesel Exhaust Fluid
Driving and Operating 9-13 Diesel Exhaust Fluid Locating Diesel Exhaust Fluid When adding DEF to an empty or very low tank, always add at least DEF can be purchased at a 7.6 L (2 gal) of fluid to release the Chevrolet or GMC dealer.
Page 40 9-14 Driving and Operating See Exhaust Fluid Level in Driver Information Center (DIC) on page 5-9. To avoid vehicle speed limitations, the DEF tank should be refilled at the first opportunity after a low warning indication. If DEF is added before the EXHAUST FLUID EMPTY REFILL NOW message appears, it may take several km/mi...
Page 41 Driving and Operating 9-15 If DEF is added under freezing (400 MI) UNTIL 105 KM/H (65 MPH) TRANSITIONING TO 89 KM/H conditions, additional time may be MAX SPEED displays. The (55 MPH) MAX SPEED displays. required to remove speed limitations displayed mileage will decrease as A flashing warning light and a chime and may require less fluid to fill the...
Page 42 9-16 Driving and Operating After the transition to 7 km/h (4 mph) MANUAL NOW 160 KM (99 MI) MAX SPEED displays. The is complete, the DIC message UNTIL 105 KM/H (65 MPH) MAX displayed mileage will decrease as EXHAUST FLUID EMPTY REFILL SPEED displays.
Page 43: Service Exhaust Fluid System
Driving and Operating 9-17 When the mileage countdown is also comes on. In some cases this When the mileage countdown is zero, a DIC message EXHAUST message will clear itself, indicating zero, the DIC message SERVICE FLUID QUALITY POOR - SEE that the DEF system was able to EXHAUST FLUID SYSTEM - SEE OWNERS MANUAL NOW -...
Page 44: Service Emission System
9-18 Driving and Operating A flashing warning light and a chime When the mileage countdown is A chime also comes on. Vehicle also come on. Vehicle speed will be zero, the DIC message SERVICE speed will be reduced to a reduced to a maximum speed limit EMISSION SYSTEM - SEE maximum speed limit of 89 km/h...
Page 45: Brakes
Driving and Operating 9-19 Brakes To turn the brake off, press the The exhaust brake only activates exhaust brake switch a second time. when the transmission torque The DIC displays the message converter is locked. This can vary Exhaust Brake EXHAUST BRAKE DISABLED for based on vehicle speed, gear, and approximately 10 seconds,...
Page 46: Fuel
9-20 Driving and Operating Aftermarket diesel fuel Fuel marine, locomotive, or boiler additives, particularly those distillate fuel since it may contain that contain alcohol or water higher sulfur levels. Fuel for Diesel Engines emulsifiers, are used. Use only diesel fuel with ultra low Consult your dealer before Engine damage may sulfur content (15 ppm, maximum).
Page 47 Driving and Operating 9-21 Diesel Fuel Grades Biodiesel Retail pumps dispensing blends containing up to 5% biodiesel (B5) For best results use No. 2-D diesel Biodiesel is a renewable fuel are not required to be labeled with fuel year-round because it is produced from vegetable oils or the concentration of biodiesel.
Page 48 9-22 Driving and Operating Owners who use very little fuel, (Biodiesel blend, B6 - B20). or who have vehicles stored for Biodiesel quality can vary widely. To extended periods of time, should reduce the risk of poor quality fuel, avoid the use of biodiesel. purchase biodiesel blends from a Storage at hot ambient BQ-9000 certified marketer.
Page 49 Driving and Operating 9-23 The vehicle is equipped with a loosened with a sudden switch Warning (Continued) fuel heating system to provide a to biodiesel blends and cause level of protection against filter fuel filter plugging. the tank slowly and only until the plugging from gelling or waxing This vehicle is equipped with a nozzle shuts off.
Page 50: What Fuel To Use In Canada
9-24 Driving and Operating What Fuel to Use in Canada Premium Diesel Fuel Biodiesel blends If available, premium diesel fuel Biodiesel blends that meet the Use of diesel fuel other (FQP-1A) corresponding to the CAN/CGSB-3.522 specifications up than Ultra Low Sulfur Diesel Engine Manufacturers Association to 20% (B20) can be used.
Page 51: Cold Weather Operation
Driving and Operating 9-25 Refueling safely. Driving the vehicle will At temperatures below 0°C (32°F), it damage the fuel system. Have the is recommended to avoid using Diesel fuel can foam when filling the vehicle towed to a qualified biodiesel blends above (5% blend) tank.
Page 52 9-26 Driving and Operating Water in the diesel fuel Water in Fuel Troubleshooting Recommended can corrode internal components Problem Action If the WATER IN FUEL SERVICE of the fuel system and lead to REQUIRED message comes on: Immediately A large amount of severe damage.
Page 53 Driving and Operating 9-27 Removing Water from Fuel 4. For pickup models, open the drain valve by turning it two to To drain water: three turns. Pump the primer 1. Turn the engine off and apply until fuel empties from the valve the parking brake.
Page 54 9-28 Driving and Operating Fuel Priming To Prime Pickup Models The priming pump is part of the For the fuel system to work properly, engine fuel filter and will bring fuel the fuel lines must be full of fuel. to the engine to eliminate air in the If air gets in, the fuel lines need to fuel lines.
Page 55 Driving and Operating 9-29 attempts. Allow the engine to 5. Repeat the above steps until the idle for a few minutes after it engine starts. starts. Check the filter for leaks. 6. If the engine starts, but does not run smoothly, increase the To Prime Van Models engine speed slightly.
Page 56: Running Out Of Fuel
9-30 Driving and Operating Running Out of Fuel run smoothly, increase the rpm 10 percent of the total tank. The slightly by using the accelerator FOH fuel lines will not need to be Pickup Models pedal. This will help force air primed if the vehicle runs out of fuel.
Page 57 Driving and Operating 9-31 3. Access the fuel filter through the Remove and reuse the water Warning passenger side wheel house sensor float switch on the opening. Remove only the bottom of the fuel filter. Diesel fuel is flammable. It could necessary fasteners to allow the 6.
Page 58: Filling The Tank
9-32 Driving and Operating Fuel Filter 6. Follow the vehicle fuel system 4. Clean the fuel pump screen and priming procedure earlier in this fuel pump screen bowl o-ring. 1. Apply the parking brake. section to re-prime the system. 5. Inspect the screen and o-ring for 7.
Page 59 Driving and Operating 9-33 For chassis-cab models, refuel the Warning (Continued) Warning (Continued) front tank first, or in instances when only a partial fuel fill is desired. An To help avoid injuries to you wait for any hiss noise to stop automatic transfer mechanism will and others, read and follow then unscrew the cap all...
Page 60: Filling A Portable Fuel
9-34 Driving and Operating Filling a Portable Fuel Warning Warning (Continued) Container If a fire starts while you are Place the nozzle inside the refueling, do not remove the Warning fill opening of the container nozzle. Shut off the flow of fuel by before dispensing fuel, and Filling a portable fuel container shutting off the pump or by...
Page 61: Towing
Driving and Operating 9-35 Towing Use the following chart to determine how much the vehicle can weigh, based upon your vehicle model and Trailer Towing options. When towing at high elevation on steep uphill grades, consider the following: Engine coolant at higher elevation will boil at a lower temperature than at or near sea level.
Page 62 9-36 Driving and Operating Vehicle Axle Ratio Max. Trailer Wt. GCWR * C-2500 Pickup Models Pickup Model Crew Cab Standard 3.73 7 893 kg (17,400 lb) 11 113 kg (24,500 lb) Pickup Model Sierra Denali 3.73 7 484 kg (16,500 lb) 11 113 kg (24,500 lb) Pickup Model Regular Cab Long 3.73...
Page 63 Driving and Operating 9-37 Vehicle Axle Ratio Max. Trailer Wt. GCWR * Single Rear Wheels Sierra 3.73 7 756 kg (17,100 lb) 11 113 kg (24,500 lb) Denali C-3500 Pickup Model Crew Cab Long Box Single Rear Wheels 3.73 7 847 kg (17,300 lb) 11 113 kg (24,500 lb) Dual Rear Wheels 3.73...
Page 64 9-38 Driving and Operating Vehicle Axle Ratio Max. Trailer Wt. GCWR * Dual Rear Wheels Sierra 3.73 10 115 kg (22,300 lb) 13 835 kg (30,500 lb) Denali Van Models G2500 Cargo Van Short 3.54 4 536 kg (10,000 lb) 7 711 kg (17,000 lb) Wheelbase G2500 Cargo Van Long...
Page 65: Conversions And Add-Ons
Driving and Operating 9-39 See Towing a Trailer in the owner Conversions and manual for kingpin weight and trailer Add-Ons tongue weight information. Power Take-Off (PTO) The PTO is an upfitter integrated system that allows the user to create an auxiliary power source for running add-on equipment, such as salt spreaders, snow plows, winches, and lift buckets.
Page 66 9-40 Driving and Operating The vehicle cannot be moving controls, and/or disable the in-cab closed). The remote indicator light and the parking brake must PTO controls. See your dealer for will come on when the PTO load is be set. more information.
Page 67 Driving and Operating 9-41 The brake must be pressed and The operator must take the action operating conditions, the PTO then released. The brake must indicated, then again press and indicator light will remain on then remain released. throughout the PTO operating cycle. release the on the PTO switch.
Page 68 9-42 Driving and Operating Press and release the on the The mobile PTO mode will also The stationary PTO mode will also disengage if the following conditions disengage if any of the following PTO in-cab switch. The engine are detected by the vehicle conditions are detected by the speed will return to normal electronics:...
Page 69 Driving and Operating 9-43 the PTO load. The PTO standby Maximum PTO Operating Speed: between base engine idle speed engine speed can be reprogrammed During PTO operation, the and a maximum of 3100 rpm to a higher speed by your dealer. accelerator pedal can be pressed to (factory setting 2100 rpm).
Page 70 9-44 Driving and Operating To engage PTO, press and release second until the desired engine : This is the PTO switch OFF speed is reached or until the initial the in-cab switch or, press and position. PTO standby speed is reached. release the remote PTO arming Press and release the in-cab switch;...
Page 71 Driving and Operating 9-45 The vehicle hood must be Remote Engine Start Control 3. The PTO system will raise closed. engine rpm to standby speed The vehicle s PTO system allows and engage the PTO load. Press Once the above conditions are met, the engine to be remotely started the remote PTO /SET or +/RES continue the remote start by doing...
Page 72 9-46 Driving and Operating Engine shutdown based on Prolonged or Extended PTO To prevent this from occurring, critical engine conditions: The frequently monitor the vehicle during Operation engine will be shut down when PTO operation. If the DIC message While operating the vehicle in PTO is operating if a critical is displayed during PTO operation, stationary PTO mode, the Diesel...
Page 73 Driving and Operating 9-47 Programmable Factory Setting Minimum Value Maximum Value Parameters PTO In-cab Control ENABLED DISABLED ENABLED PTO Remote Control DISABLED DISABLED ENABLED Type of Set Switch MOMENTARY MOMENTARY LATCHING Operation Press ON Then Go To Set DISABLED DISABLED ENABLED 1 Speed Remote Engine Start...
Page 74 9-48 Driving and Operating Programmable Factory Setting Minimum Value Maximum Value Parameters Engine Shutdown Warning DISABLED DISABLED ENABLED Set Low Fuel Level For Engine Shutdown Engine Run Time While 7 Hours 4 minutes 7 hours PTO is Active Timer Min. PTO Engage Speed 500 RPM 500 RPM 1800 RPM...
Page 75 Driving and Operating 9-49 Programmable Factory Setting Minimum Value Maximum Value Parameters Maximum Vehicle Speed 129 km/h (80 mph) 30 km/h (18 mph) 129 km/h (80 mph) Minimum Remote 0.25 V 0.0 V 2.5 V Accelerator Voltage Maximum Remote 4.75 V 2.5 V 5.0 V Accelerator Voltage...
Page 76 9-50 Driving and Operating NOTES...
Page 77: Vehicle Care
Vehicle Care 10-1 Vehicle Care Starter Switch Check ..10-25 General Information Automatic Transmission Shift Lock Control Function Accessories and Check ..... 10-25 General Information Modifications Ignition Transmission Lock...
Page 78 10-2 Vehicle Care Damage to vehicle components Aftermarket Engine Engine power enhancement resulting from modifications or the products may enable the engine to Performance Enhancement installation or use of non-GM operate at horsepower and torque Products and Modifications certified parts, including control levels that could damage, create Some aftermarket engine module or software modifications, is...
Page 79: Vehicle Checks
Vehicle Care 10-3 Vehicle Checks Engine Compartment Overview United States Pickup Models Shown, Canada Similar...
Page 80 10-4 Vehicle Care A. Coolant Surge Tank and Engine Fan (Out of View) Pressure Cap Automatic Transmission B. Remote Positive (+) Terminal Dipstick C. Battery K. Power Steering Fluid Reservoir D. Engine Air Cleaner/Filter Brake Fluid Reservoir E. Diesel Exhaust Fluid (DEF) M.
Page 81 Vehicle Care 10-5 United States Van Models Shown, Canada Similar...
Page 82: Engine Oil
10-6 Vehicle Care A. Battery Engine Oil Checking Engine Oil B. Coolant Surge Tank and It is a good idea to check the engine To ensure proper engine Pressure Cap oil level at each fuel fill. In order to performance and long life, careful get an accurate reading, the oil attention must be paid to engine oil.
Page 83 Vehicle Care 10-7 what kind of oil to use. For engine Selecting the Right Engine Oil Warning oil crankcase capacity, see Look for three things: Capacities and Specifications on The engine oil dipstick handle page 12-2. CJ-4 may be hot; it could burn you. Oils designated as API CJ-4 are Notice: Do not add too much oil.
Page 84 10-8 Vehicle Care SAE 15W-40 This doughnut-shaped logo (symbol) is used on most oil SAE 15W-40 is best for the containers to help you select the vehicle. When it is very cold, correct oil. It means that the oil has below 18°C (0°F), use been certified by the American SAE 5W-40 to improve cold...
Page 85: Engine Oil Life System
Vehicle Care 10-9 Engine oil system flushes are not Engine Oil Life System change is not necessary for up to a recommended and could cause year. The engine oil and filter must When to Change Engine Oil engine damage not covered by the be changed at least once a year vehicle warranty.
Page 86: Automatic Transmission
10-10 Vehicle Care To reset the Engine Oil Life System If the CHANGE ENGINE OIL SOON Notice: Too much or too on most pickup models: message comes back on when the little fluid can damage the vehicle is started, the engine oil life transmission.
Page 87 Vehicle Care 10-11 With the parking brake applied, 1. Pull out the dipstick and wipe it 5. Perform a hot check at the first place the shift lever in P (Park). with a clean rag or paper towel. opportunity after the normal The transmission dipstick is operating temperature of 71°C With foot on the brake pedal,...
Page 88 10-12 Vehicle Care 4. Safe operating level is within the How to Add Fluid Always use the automatic HOT RUN band on the dipstick. transmission fluid listed in In cold operation, Allison The width of the HOT RUN band Recommended Fluids and recommends using Synthetic represents approximately 1.0 L Lubricants on page 11-10.
Page 89 Vehicle Care 10-13 If the decision is made to perform To get the right reading, the fluid Checking the Fluid Level this operation, be sure to follow all should be at normal operating Prepare the vehicle as follows: the instructions here, or a false temperature, which is 82°C to 93°C Park the vehicle on a level reading on the dipstick could result.
Page 90 10-14 Vehicle Care The transmission dipstick is located 3. If the fluid level is in the Transmission shifting might be near the center of the engine acceptable range, push the firmer with a cold transmission. This compartment and will be labeled dipstick in all the way, then flip difference in shift quality is normal.
Page 91: Engine Air Cleaner/Filter
Vehicle Care 10-15 See Recommended Fluids and Notice: Use of the incorrect Engine Air Cleaner/Filter Lubricants on page 11-10. The automatic transmission fluid may Pickup Models synthetic transmission fluid can damage the vehicle, and the be used for all temperature damages may not be covered by ranges.
Page 92 10-16 Vehicle Care When to Inspect To inspect and replace the filter and 3. Remove the two air cleaner reset the restriction indicator: housing cover screws (D). Inspect the air cleaner/filter every 25 000 km (15,000 mi) and replace 4. Raise the air cleaner housing the filter if necessary.
Page 93 Vehicle Care 10-17 10. Reset the air cleaner/filter Van Models How to Inspect restriction indicator (C), When the restriction indicator is in if equipped, by pressing the the red/orange change zone, top button on the indicator. replace the filter and reset the restriction indicator.
Page 94: Cooling System
10-18 Vehicle Care 2. Remove the air cleaner/filter Cooling System Warning from the housing. Care should The cooling system allows the be taken to dislodge as little dirt Operating the engine with the air engine to maintain the correct as possible. cleaner/filter off can cause you or working temperature.
Page 95: Engine Coolant
Vehicle Care 10-19 Van Models Engine Coolant Warning The cooling system in the vehicle is ® Heater and radiator hoses, and filled with DEX-COOL engine other engine parts, can be very coolant. This coolant is designed to hot. Do not touch them. If you do, remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever you can be burned.
Page 96 10-20 Vehicle Care Notice: Using coolant other than If coolant has to be added more Warning (Continued) DEX-COOL may cause premature than four times a year, have the engine, heater core, radiator, and dealer check the vehicle cooling and other liquids, can boil before fuel operated heater (van models system.
Page 97 Vehicle Care 10-21 Checking Coolant (Pickup Models) Checking Coolant (Van Models) Warning Turning the surge tank pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn you badly. Never turn the surge tank pressure cap even a little...
Page 98 10-22 Vehicle Care Warning (Continued) Warning Warning (Continued) burn you badly. Never turn the You can be burned if you spill turn the cap when the cooling surge tank pressure cap even a coolant on hot engine parts. system, including the coolant little when the engine and Coolant contains ethylene glycol...
Page 99: Engine Overheating
Vehicle Care 10-23 3. Slowly fill the coolant surge tank. On pickup models, slowly Notice: If the pressure cap is not Do not let the coolant level go continue to add coolant so it tightly installed, coolant loss and above the seam in the tank until goes into the non-pressurized possible engine damage may after the engine comes to...
Page 100 10-24 Vehicle Care If No Steam Is Coming from If the COOLANT LEVEL LOW ADD Warning (Continued) COOLANT Driver Information the Engine Compartment Center (DIC) message comes on Wait until there is no sign of The COOLANT LEVEL LOW ADD with no sign of steam, try this for a COOLANT Driver Information steam or coolant before you open...
Page 101: Function Check
Vehicle Care 10-25 If the warning continues, pull over, Starter Switch Check 3. Try to start the engine in each stop, and park the vehicle gear. The vehicle should start right away. only in P (Park) or N (Neutral). Warning If the vehicle starts in any other If there is still no sign of steam and position, contact your dealer for...
Page 102: Ignition Transmission Lock
10-26 Vehicle Care 2. Firmly apply the parking brake. Ignition Transmission Park Brake and P (Park) See Parking Brake in the Lock Check Mechanism Check owner manual. If equipped with a key type ignition, Be ready to apply the regular Warning while parked and with the parking brake immediately if the vehicle...
Page 103: Electrical System
Vehicle Care 10-27 Park on a fairly steep hill, with the Electrical System vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. Engine Compartment Fuse Block To check the parking brake's holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot pressure from the regular brake...
Page 104 10-28 Vehicle Care The underhood fuse block is located Fuses Usage Fuses Usage in the engine compartment, on the Fuel Heater Electronic Control driver side of the vehicle. Lift the Module/Throttle cover to access the fuse block. Transmission Control Control Module (Battery) For vans equipped with a Duramax engine, see Engine Compartment...
Page 105 Vehicle Care 10-29 Fuses Usage Fuses Usage Fuses Usage Miscellaneous Heated Mirrors Daytime Running Lamp 2 (Ignition), Cruise SEO B1 Upfitter Control Sunroof Usage (Battery) Tailgate Open/Close Key Ignition System, Cigarette Lighter, Assist Theft-Deterrent Auxiliary Power Outlet System Airbag System Automatic Level (Battery) Windshield Wiper...
Page 106 10-30 Vehicle Care J-Case Usage J-Case Usage Relays Usage Fuses Fuses FAN RLY Fan Relay Automatic Level Four-Wheel Drive HDLP Low-Beam Headlamp Control Compressor System LO/HID Heavy Duty Anti-lock Stud 1 (Trailer Front Fog Lamps Brake System Connector Battery LAMP Power) Antilock Brake Air Conditioning...
Page 107 Service and Maintenance 11-1 Service and General Information transportation, and online scheduling to assist with Maintenance This maintenance section applies to service needs. vehicles with a diesel engine. For Your dealer recognizes the gasoline engine vehicles, see the importance of providing maintenance schedule section in General Information competitively priced maintenance...
Page 108 11-2 Service and Maintenance Proper vehicle maintenance helps to The Additional Required Services Warning keep the vehicle in good working Severe are for vehicles that are: condition, improves fuel economy, Mainly driven in heavy city traffic Performing maintenance work can and reduces vehicle emissions.
Page 109 Service and Maintenance 11-3 Add diesel exhaust fluid. See Maintenance indicate the need for vehicle service Diesel Exhaust Fluid on for more than a year. The engine oil Schedule page 9-13. and filter must be changed at least once a year and the oil life system Check engine coolant level.
Page 110 11-4 Service and Maintenance Inspect brake system. Check starter switch. See Visually inspect gas strut for Starter Switch Check in the signs of wear, cracks, or other Visually inspect steering, owner manual. damage. Check the hold open suspension, and chassis ability of the strut.
Page 111 Service and Maintenance 11-5 Maintenance Schedule Additional Required Services - Normal Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Replace engine air cleaner filter. (1) Change automatic transmission fluid and filter. Filter is external on pickups and internal on vans.
Page 112 11-6 Service and Maintenance Maintenance Schedule Additional Required Services - Severe Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Replace engine air cleaner filter. (1) Change automatic transmission fluid and filter. Filter is external on pickups and internal on vans.
Page 113 Service and Maintenance 11-7 Special Application For Vans Additional If the two chassis mounted fuel Services Maintenance and Care filters have not been replaced, or if the vehicle has been driven Severe Commercial Use Your vehicle is an important 36 000 km/22,500 mi or more since Vehicles Only: Lubricate chassis investment and caring for it properly the fuel filters were last replaced,...
Page 114 11-8 Service and Maintenance To avoid break-down or failure to Trained dealer technicians have Lamps start the vehicle, maintain a access to tools and equipment Properly working headlamps, battery with full cranking power. to inspect the brakes and taillamps, and brake lamps are recommend quality parts Trained dealer technicians have important to see and be seen on...
Page 115 Service and Maintenance 11-9 the shocks and struts for signs Vehicle Care Windshield of leaking, blown seals, To help keep the vehicle looking like For safety, appearance, and the or damage, and can advise new, vehicle care products are best viewing, keep the windshield when service is needed.
Page 116: Recommended Fluids And Lubricants
11-10 Service and Maintenance Recommended Fluids Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer. Usage Fluid/Lubricant Engine Oil Engine oils with the letters 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 117 Service and Maintenance 11-11 Usage Fluid/Lubricant ® Automatic Transmission DEXRON -VI Automatic Transmission Fluid. Allison Transmission Only: For areas where ambient temperatures are below -40°C (-40°F) use Synthetic Transmission Fluid approved to Allison Transmission specification TES-295 (GM Part No. 12378515, in Canada 88900701).
Page 118 11-12 Service and Maintenance Usage Fluid/Lubricant Pickup Models: Rear Driveline Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or Center Spline lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Hood Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
Page 119: Maintenance Replacement Parts
Service and Maintenance 11-13 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 Engine Air Cleaner/Filter Pickup Models 25945274 A3141C Van Models 20815924 A3140C Engine Fuel Filter 12646512...
Page 120 11-14 Service and Maintenance Maintenance Records 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. Retain all maintenance receipts. Odometer Date Serviced By Services Performed Reading...
Page 121 Service and Maintenance 11-15 Odometer Date Serviced By Services Performed Reading...
Page 122 11-16 Service and Maintenance Odometer Date Serviced By Services Performed Reading...
Page 123 Service and Maintenance 11-17 Odometer Date Serviced By Services Performed Reading...
Page 124 11-18 Service and Maintenance Odometer Date Serviced By Services Performed Reading...
Page 125 Technical Data 12-1 Technical Data Vehicle Data Capacities and Specifications ....12-2 Engine Drive Belt Routing . . . 12-4...
Page 126: Capacities And Specifications
12-2 Technical Data Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants on page 11-10. Capacities Application Metric English Cooling System (Pickup Models) 27.0 L 28.5 qt Cooling System (Van Models) Front Heat or AC Only 20.0 L 21.2 qt...
Page 127 Technical Data 12-3 Capacities Application Metric English Diesel Exhaust Fluid (DEF) Tank* Pickup Models 20.1 L 5.3 gal Van Models 20.1 L 5.3 gal Engine Oil with Filter 9.5 L 10.0 qt Transmission Fluid (Pan Removal and Filter Replacement) 7.0 L 7.4 qt *Do not overfill the DEF tank.
Page 128 12-4 Technical Data Engine Drive Belt Routing...
Page 129 INDEX Cluster, Instrument ... . . 5-2 Cold Weather Operation ..9-25 Accessories and Electrical System Coolant Modifications ....10-1 Engine Compartment Engine .
Page 130 INDEX Fuel for Diesel Engines ..9-20 Fuses Filter ......9-11 Lamps Engine Compartment Replacement (Fuel) .
Page 131 INDEX Specifications and Capacities ....12-2 Recommended Fluids and Starter Switch Check ..10-25 Engine .
Page 132: Warning Light
INDEX Vehicle Canadian Owners ....ii Messages ....5-10 Personalization .

Chevrolet/GMC 2014 Duramax Owner's Manual

Table of Contents

Controls

Indicators

Warning Lights, Gauges, and Vehicle Messages

Vehicle Messages

9-1 Driving and Fuel Starting and

Diesel Particulate Filter

Diesel Exhaust Fluid

Brakes

Fuel

Towing

Conversions and Add-Ons

Vehicle Care

Quick Links

Chapters

Need help?

Questions and answers

Related Manuals for Chevrolet/GMC 2014 Duramax

Summary of Contents for Chevrolet/GMC 2014 Duramax

Table of Contents