How to Check Lubricant

To get an accurate reading, the vehicle should be on a level surface.

1500 Series
1500 Series

A. Fill Plug
B. Drain Plug

All Except 1500 Series
All Except 1500 Series

A. Fill Plug
B. Drain Plug

• When the differential is cold, add enough lubricant to raise the level from 0mm (0 in) to 3.2mm (1/8 in) below the fill plug hole.
• When the differential is at operating temperature (warm), add enough lubricant to raise the level to the bottom of the fill plug hole.

    See also:

    OnStar®
    If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data collectio ...

    Electric Brake Control Wiring Provisions
    These wiring provisions are included with the vehicle as part of the trailer wiring package. These provisions are for an electric brake controller. The instrument panel contains blunt cut wires behind ...

    Removing the Spare Tire and Tools
    Crew Cab A. Wing Nut Retaining Tool Kit B. Tool Kit C. Wheel Blocks D. Jack E. Jack Knob F. Wing Nut Retaining Wheel Blocks Regular Cab A. Wing Nut Retaining Tool Kit B. Tool Kit C. Whee ...