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:

    Camper/Fifth-Wheel Trailer Wiring Package
    The seven-wire camper harness is located under the front edge of the pickup box on the driver side of the vehicle, attached to the frame bracket. A connector must be added to the wiring harness which ...

    When the System Does Not Seem To Work Properly
    The RVC system may not work properly or display a clear image if: ○ The RVC is turned off. See “Turning the Rear Vision Camera System On or Off” earlier in this section. ○ It is da ...

    Capacities and Specifications
    The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants on page 11‑12 for more information. Engine Specifications ...