GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Driveline/Axle 🢒 Front Drive Axle 🢒 Front Axle Lubricant Replacement

Draining Procedure

    Object Number: 912464 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. Position a drain pan under drain plug.
  4. Remove the drain plug from the differential and drain the fluid.

Filling Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 912464 Size: SH
  1. Install the drain plug to the differential.

    2. Tighten
    Tighten the differential drain plug to 39 N·m (29 lb ft).


    Object Number: 912461 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 , GM P/N 12378261 (Canadian P/N 10953455) or equivalent. Refer to Approximate Fluid Capacities .
  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 39 N·m (29 lb ft).

  7. Lower the vehicle.