GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 SLS 🢒 Driveline/Axle 🢒 Rear Drive Axle 🢒 Axle Lubricant Change

Draining Procedure

    Object Number: 814134 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Clean any dirt from around the differential drain plug.
  3. Place a drain pan under drain plug.
  4. Remove the drain plug from the differential and drain the fluid.

Filling Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 814134 Size: SH

    Note: The drain plug must be clean, free of foreign material, prevent foreign material entering drain hole.

  1. Install the drain plug to the differential.

    2. Tighten
    Tighten the differential drain plug to 35 ± 8 N·m (26 ± 6 lb ft).


    Object Number: 814133 Size: SH
  2. Clean any dirt from around the differential fill plug.
  3. Remove the fill plug from the differential.
  4. Fill the differential with 75W90 synthetic axle lubricant , SGM P/N 89021677 or equivalent. Refer to Lubrication Specifications.
  5. Inspect the gear lubricant level to ensure it is even with the bottom of the fill plug hole to no lower than 6 mm (0.25 in) below the opening.
  6. Install the fill plug to the differential.

    7. Tighten
    Tighten the fill plug to 35 ± 8 N·m (26 ± 6 lb ft).

  7. Lower the vehicle.