Workshop Repair and Service Manuals GMC SIERRA
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Wiper Blade Replacement      Windshield wiper blades should be inspected for wear or cracking. See Maintenance Schedule on page 11?3 for more information on wiper blade inspection. Replacement blades come in different types and are removed in different...
When to Add Engine Oil      If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right Engine Oil” in this section for an explanation of what kind...
Specification      Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos™1 approved certification mark. This certification mark indicates...
Replacing the Engine Air Cleaner/ Filter      1. Locate the air cleaner/filter assembly. See Engine Compartment Overview on page 10?6. 2. Loosen the four screws on the cover of the housing and lift up the cover. 3. Remove the engine air cleaner/ filter...
Power Steering Fluid      See Engine Compartment Overview on page 10?6 for reservoir location.
How to Check Lubricant      2500HD with 6.0 L All Other Series and Engines To get an accurate reading, the vehicle should be on a level surface. • For all 4.3 L, 4.8 L and 5.3 L 1500 Series applications, the proper level is 1.0mm to...
How to Check Lubricant      To get an accurate reading, the vehicle should be on a level surface. 1500 Series A. Fill Plug B. Drain Plug All Except 1500 Series A. Fill Plug B. Drain Plug • When the differential is cold, add...
How to Add Coolant to the Coolant Surge Tank for Gasoline Engines      If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine parts. Coolant contains...
Hot Check Procedure      Use this procedure to check the transmission fluid level when the transmission fluid temperature is between 71°C and 93°C (160°F and 200°F). The hot check is the most accurate method to check the fluid level. The hot check...
Hood      To open the hood: 1. Pull the handle with this symbol on it. It is located inside the vehicle to the left of the brake pedal. 2. Go to the front of the vehicle and locate the secondary hood release. This is...
Headlamp Aiming      The vehicle has a visual optical headlamp aiming system. The aim of the headlamps has been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a crash, the aim of the headlamps...
Four-Wheel Drive      Transfer Case When to Check Lubricant Refer to Maintenance Schedule on page 11?3 to determine when to check the lubricant. How to Check Lubricant Electric Shift Transfer Case A. Fill Plug B. Drain...
Engine Compartment Overview      5.3 L V8 Engine Shown (4.3 L V6 Engine, 4.8 L V6 Engine, 6.0 L V8 Engine, and 6.2 L V8 Engine Similar) A. Engine Air Cleaner/Filter on page 10?17. B. Coolant Surge Tank and Pressure Cap. See Cooling System on page...
Cooling System      If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L Engine Shown (4.3 L,...
Cold Check Procedure      Use this procedure only as a reference to determine if the transmission has enough fluid to be operated safely until a hot check procedure can be made. The hot check procedure is the most accurate method to check the fluid...
Checking the Fluid Level      Prepare the vehicle as follows: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in P (Park). 3. With your foot on the brake pedal, move the shift...
Checking Coolant      The coolant surge tank is located in the engine compartment on the passenger side of the vehicle. See Engine Compartment Overview on page 10?6 for more information on location. The vehicle must be on a level surface when...
Checking Brake Fluid      Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview on page 10?6. The fluid level should be above MIN. If it is not, have the brake hydraulic system checked to see if there is a...
Brake Fluid      The brake master cylinder reservoir is filled with DOT 3 brake fluid. See Engine Compartment Overview on page 10?6 for the location of the reservoir. There are only two reasons why the brake fluid level in the...
Adding Washer Fluid      The vehicle has a low washer fluid message on the DIC that comes on when the washer fluid is low. The message is displayed for 15 seconds at the start of each ignition cycle. When the WASHER FLUID LOW ADD FLUID message...
Glass Replacement      If the windshield or front side glass must be replaced, see your dealer to determine the correct replacement glass.
Park Brake and P (Park) Mechanism Check      WARNING When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready...
Ignition Transmission Lock Check      While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. • The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). • The ignition key should...
Automatic Transmission Shift Lock Control Function Check      WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room around the vehicle. It...