Selecting the Right Engine Oil

Selecting the right engine oil depends on both the proper oil specification and viscosity grade.

See Recommended Fluids and Lubricants on page 11‑12.

    See also:

    Hill Start Assist (HSA)
    This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rear ...

    Engine Air Cleaner/Filter
    If the vehicle has a diesel engine, see “Pickup Models” under “Engine Air Cleaner/Filter” in the Duramax® Diesel Supplement for the correct inspection and replacement procedures. See Engine ...

    Two-Tiered Loading
    Depending on the model of your pick-up, an upper load platform can be created by positioning three or four 5 cm (2 inches) by 15 cm (6 inches) wooden planks across the width of the pickup box. The pla ...