1. Manuals
  2. Brands
  3. Chevrolet Manuals
  4. Automobile
  5. GMC 2024
  6. Manual

Chevrolet GMC 2024 Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
2024
3.0L Duramax
Diesel Engine Supplement

Advertisement

Table of Contents
loading

Related Manuals for Chevrolet GMC 2024

Summary of Contents for Chevrolet GMC 2024

  • Page 1 2024 3.0L Duramax Diesel Engine Supplement...

  • Page 2: Table Of Contents

    Instruments and Controls ....3 limited to, GM, the GM logo, CHEVROLET, engine. It also contains the Diesel GMC, the CHEVROLET and GMC Truck Driving and Operating .
  • Page 3 Introduction Helm, Incorporated Attention: Customer Service 47911 Halyard Drive Plymouth, MI 48170 Using this Supplement This supplement contains information specific to the unique components of the vehicle. It does not explain everything you need to know about the vehicle. Read this supplement along with the owner s manual to learn about the vehicle's features and controls.

  • Page 4: Instruments And Controls

    Instruments and Controls Instruments and Controls Warning Lights, Gauges, and This light may also come on when the system has detected a problem with the Indicators Diesel Exhaust Fluid (DEF) management Warning Lights, Gauges, and Indicators system. See Diesel Exhaust Fluid 0 11. Instrument Cluster .
  • Page 5 Instruments and Controls Critical emission control systems have not Emissions Inspection and Maintenance Caution been completely diagnosed. If this Programs Modifications to the engine, transmission, happens, the vehicle would not be ready If the vehicle requires an Emissions exhaust, intake, or fuel system, or the for inspection and might require Inspection/Maintenance test, the test several days of routine driving before the...
  • Page 6 Instruments and Controls Diesel Exhaust Fluid (DEF) DEF : Displays the Diesel Exhaust Fluid (DEF) the system has been reset. To reset the level as a bar graph with individual system on the DIC, press the thumbwheel Warning Light segments that illuminate from Empty (E) to and then select Yes to confirm.

  • Page 7: Driving And Operating

    Driving and Operating Driving and Operating Starting and Operating the end of the delay the engine will begin to crank and will continue to crank until the engine starts. Starting the Diesel Engine Starting and Operating Starting the Diesel Engine ....6 Caution The diesel engine starts differently than a Engine Heater .

  • Page 8: Engine Heater

    Driving and Operating If the wait-to-start light comes on and Cold Weather Starting Engine Idle Variations then goes off and you know the battery Use the recommended engine oil when the Under certain conditions the engine idle is charged, but the engine still will not outside temperature drops below freezing.
  • Page 9 4. Plug the heater cord into the connector damage, electric shock, and injury. in the front bumper. Do not operate the vehicle with the Chevrolet 5. Plug the cord into a grounded 110-volt heater cord permanently attached to AC outlet that is protected by a ground the vehicle.

  • Page 10: Extended Parking

    Driving and Operating exhaust cooler mixes air with the exhaust to Caution (Continued) Warning (Continued) lower the temperature before it leaves the section of this manual are not used. This tailpipe. While in use, do not let the heater damage would not be covered by the The DPF, the tailpipe, and other exhaust cord touch vehicle parts or sharp vehicle warranty.
  • Page 11 Driving and Operating Manual Regeneration of Diesel Scroll through the DIC pages to find the Caution Exhaust Cleaning menu. Depending on Particulate Filter Avoid extended idling because the DPF whether the vehicle has a base or uplevel This feature is only available on Fleet and system is not capable of self-cleaning at cluster, it may be under the Settings menu.

  • Page 12: Diesel Exhaust Fluid

    Driving and Operating Before starting manual regeneration, make If the infotainment display returns to the regeneration can be canceled at any time by sure all of the following safety conditions previous screen, then one or more of the pressing the brake pedal or by turning the are met: necessary safety conditions has not been engine off.
  • Page 13 Driving and Operating Locating Diesel Exhaust Fluid The blue DEF cap is behind the fuel/DEF Caution door. Do not remove the fuel and DEF caps DEF can be purchased at your authorized Do not mix fuel with DEF, and do not put at the same time.
  • Page 14 Driving and Operating If using a bottle or jug to refill DEF, follow the instructions on the container label and use a dedicated fill aid. 1. Turn the DEF cap counterclockwise and remove the cap. 2. When fluid reaches the top of the DEF fill pipe, stop filling.

  • Page 15: Brakes

    Driving and Operating Refill the DEF tank at the first opportunity DEF Quality Poor In some cases, this message will clear itself, after a low warning indication to avoid indicating that the DEF system was able to Use only DEF that is GM approved, or fluid vehicle speed limitations.

  • Page 16: Fuel

    Driving and Operating vehicle s speed when the brake is applied. Fuel for Diesel Engines The normal tow/haul shift pattern will The selection of a high-quality fuel is return once the vehicle is on a low grade or important for maintaining optimum vehicle when the accelerator pedal is pressed.

  • Page 17: Biodiesel

    Driving and Operating Some conditions, such as dirty fuel, may In case of severe winter conditions, the fuel Caution (Continued) decrease fuel filter life and a CHANGE FUEL filter may become clogged by wax naturally Triglyceride fuels, such as raw FILTER message may come on in the Driver present in the fuel.

  • Page 18: Cold Weather Operation

    Driving and Operating Biodiesel Blends If the vehicle is not driven often and uses operation in cold weather at temperatures little fuel, or if it is stored for extended below 0 °C (32 °F). Use of No. 1-D diesel fuel Fuels with a biodiesel content up to 20% by periods of time, avoid the use of biodiesel may lower the fuel economy.
  • Page 19 Driving and Operating Recommended Recommended Caution (Continued) Problem Action Problem Action diesel fuel biocide, the fuel system may still need to be cleaned. Your dealer can Message displays Drain the fuel filter Immediately after A large amount of and stays on. immediately.
  • Page 20 Driving and Operating 3. Open the drain valve by turning it Priming the Fuel System Caution (Continued) counterclockwise. Allow the filter to There is an electric priming pump that will refuel, water was pumped into the fuel drain until all of the water has been bring fuel to the engine and eliminate air in tank.

  • Page 21: Running Out Of Fuel

    Driving and Operating Running Out of Fuel Fuel Filter Replacement Warning Warning Diesel fuel is combustible. It could start a Diesel fuel is flammable. It could start a fire if it gets on hot engine parts. You fire if something ignites it, and people could be burned.

  • Page 22: Filling The Tank

    Driving and Operating 9. Reset the fuel filter monitor. See Driver To open the fuel door, push and release the Warning (Continued) Information Center (DIC) 0 5. rearward center edge of the door. The capless refueling system does not have a Keep children away from the fuel Filling the Tank fuel cap.

  • Page 23: Filling A Portable Fuel Container

    Driving and Operating 1. Locate the capless funnel adapter. Warning (Continued) Warning 2. Fully insert the funnel into the capless Dispense fuel only into approved If a fire starts while you are refueling, do fuel system. containers. not remove the fill nozzle. Shut off the flow of fuel by shutting off the pump or Warning Do not fill a container while it is...
  • Page 24 Driving and Operating after towing at high elevation on steep uphill grades, the vehicle may show signs similar to engine overheating. To avoid this, let the engine run while parked (preferably on level ground) with the transmission in P (Park) and the parking brake applied for at least five minutes before turning the engine off.

  • Page 25: Vehicle Care

    Vehicle Care Vehicle Care General Information Aftermarket Engine Performance Enhancement Products and Modifications Accessories and Modifications General Information Some aftermarket engine performance products and modifications promise a way Accessories and Modifications ..24 Adding non-dealer accessories or making to increase the horsepower and torque modifications to the vehicle can affect...

  • Page 26: Vehicle Checks

    Vehicle Care Vehicle Checks Engine Compartment Overview 3.0L LZ0 Engine shown (3.0L LM2 similar)

  • Page 27: Engine Oil

    Vehicle Care Check the engine oil level regularly and 1. Remote Negative (-) Ground Terminal at least two hours. Checking the engine maintain the proper oil level. See oil level on steep grades or too soon after 2. Positive (+) Terminal Checking Engine Oil and When to Add engine shutoff can result in incorrect 3.
  • Page 28 Vehicle Care explanation of what kind of oil to use. For Specification Engine Oil Additives/Engine Oil Flushes engine oil crankcase capacity, see Capacities Use engine oils that meet the dexosD Do not add anything to the oil. The and Specifications 0 45. specification.

  • Page 29: Engine Oil Life System

    Vehicle Care Engine Oil Life System If the DIC displays a message to check the Caution (Continued) engine air filter system, see your dealer. The engine oil life system calculates engine use the correct automatic transmission How to Reset the Engine Air Filter Life oil life based on vehicle use and displays the fluid.
  • Page 30 Vehicle Care When to Inspect the Engine Air Cleaner/ To inspect or replace the air cleaner/filter: 3. Lower the cover, slide it into the assembly, then secure with the three Filter screws. If the vehicle is not equipped with the 4.

  • Page 31: Cooling System (Engine)

    Vehicle Care Cooling System (Engine) A 50/50 mixture of clean, drinkable water Warning and DEX-COOL coolant will: The cooling system allows the engine to An underhood electric fan can start up Give freezing protection down to 37 °C maintain the correct working temperature. even when the engine is not running and ( 34 °F).
  • Page 32 Vehicle Care Checking Coolant Caution Caution (Continued) Do not use anything other than a mix of to the indicator mark on the tank. If both DEX-COOL coolant that meets GM tanks are empty, refill the main tank (2) Standard GMW3420 and clean, drinkable first.

  • Page 33: Cooling System

    Vehicle Care 5. At the same time, press the accelerator stop the procedure, allow the engine to and the brake for two seconds, then completely cool down, fill to the release. indicated mark on the surge tank, and start the procedure over. 6.
  • Page 34 Vehicle Care Let the warning lights and gauges work Warning as they should. Do not touch heater or radiator hoses, What to Use or other engine parts. They can be very hot and can burn you. Do not run the Warning engine if there is a leak;...
  • Page 35 Vehicle Care The charge air coolant surge tank (1) is in 4. Activate the Automatic Coolant Fill and Caution (Continued) the engine compartment on the driver side Air Removal process: to the engine cooling system and the of the vehicle. See Engine Compartment 4.1.

  • Page 36: Engine Overheating

    Vehicle Care Engine Overheating If No Steam Is Coming from the Engine If the vehicle no longer has the overheat warning, the vehicle can be driven. Just to Compartment There is an engine coolant temperature be safe, drive slower for about 10 minutes. A Driver Information Center (DIC) message, gauge on the instrument cluster.

  • Page 37: Electrical System

    Vehicle Care Electrical System Auxiliary Fuse Block Caution Spilling liquid on any electrical Engine Compartment Fuse Block component on the vehicle may damage (Pickup) it. Always keep the covers on any electrical component. For additional fuse and electrical information, see Electrical System in the A fuse puller is available on the left owner s manual.

  • Page 38: Jump Starting

    Vehicle Care Relays Usage Caution Warning (Continued) Diesel Exhaust Fluid If the jumper cables are connected or Wash hands after handling. For more Control removed in the wrong order, electrical information go to shorting may occur and damage the Fuel Heater www.P65Warnings.ca.gov.
  • Page 39 Vehicle Care 4. Discharged Battery Negative ( ) get enough power from a single battery Caution Grounding Point in another vehicle to start your diesel If any accessories are left on or plugged engine. If your vehicle has more than The good battery positive (+) terminal and in during the jump starting procedure, one battery, using the battery that is...
  • Page 40 Vehicle Care vehicle has one. Negative ( ) will go to a 11. Start the vehicle with the good battery Warning heavy, unpainted metal engine part or to and run the engine for a while. a remote negative ( ) terminal if the Using a match near a battery can cause 12.

  • Page 41: Service And Maintenance

    Service and Maintenance Service and Maintenance General Information maintenance such as oil changes and tire rotations and additional maintenance items This maintenance section applies to vehicles like tires, brakes, batteries, and wiper blades. General Information with a diesel engine. For gasoline engine General Information .
  • Page 42 Service and Maintenance message displays, have the engine oil and Every 48 000 km (30,000 mi) Warning (Continued) filter changed within the next 1 000 km/ Replace fuel filter. Or every two years, 600 mi. If driven under the best required information, proper tools, and or when the CHANGE FUEL FILTER conditions, the engine oil life system may...
  • Page 43 Service and Maintenance Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants The following fluids apply to vehicles with a Duramax diesel engine. For other fluids not listed here, see Recommended Fluids and Lubricants in the owner s manual. Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be obtained from your dealer. Usage Fluid/Lubricant Automatic Transmission...
  • Page 44 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. Date Odometer Reading Serviced By Services Performed...

  • Page 45: Technical Data

    Technical Data Technical Data Vehicle Data Capacities and Specifications ... 45 Engine Drive Belt Routing ....46...
  • Page 46 Technical Data Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants 0 42. Capacities Application Metric English Engine Cooling System* 18.4 L 19.4 qt IPickup 20.8 L 22.0 qt ISUV Diesel Exhaust Fluid (DEF) Tank** 20.5 L...
  • Page 47 Technical Data Engine Specifications Engine VIN Code Type 3.0L L6 Turbo Diesel (LM2) Engine - SUV Inline 6-Cylinder 3.0L L6 Turbo Diesel (LZ0) Engine - Pickup Inline 6-Cylinder Engine Drive Belt Routing...

  • Page 48: Index

    Index Index Diesel (cont'd) Starting the Engine ..... . 6 Accessories and Modifications ... . 24 Diesel Particulate Filter .
  • Page 49 Index Heater Engine ........35 Engine ........7 Engine .
  • Page 50 Index Supplement Using ........2 System Engine Air Filter Life .
  • Page 51 85137419 A...

Table of Contents