Recommended Fluids and Lubricants

This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine and/or an Allison Transmission, see the maintenance schedule section in the DURAMAX® Diesel manual.

Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.

Maintenance Replacement Parts

    See also:

    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 En ...

    Turn Signals When Towing a Trailer
    The turn signal indicators on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, chan ...

    Trailer Gain Adjustment Procedure
    Trailer Gain should be set for a specific trailering condition and must be adjusted any time vehicle loading, trailer loading, or road surface conditions change. Setting the Trailer Gain properly is ...