GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the engine protection shield. Refer to Engine Protection Shield Replacement.

  3. Object Number: 748025  Size: SH
  4. Remove the fill plug.

  5. Object Number: 748021  Size: SH
  6. Remove the drain plug and the washer.
  7. Drain the fluid from the differential carrier assembly.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 748021  Size: SH
  1. Install the drain plug and the washer. Tighten the drain plug to 32 N·m (24 lb ft).
  2. Fill the differential carrier assembly with lubricant. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations.

  3. Object Number: 748025  Size: SH
  4. Install the fill plug and tighten to 32 N·m (24 lb ft).
  5. Install the engine protection shield. Refer to Engine Protection Shield Replacement.
  6. Lower the vehicle.