GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1848813  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the drain plug and gasket from the rear differential housing.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1848813  Size: SH
  1. Install the drain plug and gasket, then tighten to 35 N·m (26 lb ft)..

  2. Object Number: 1848811  Size: SH
  3. Remove the fill plug and gasket from the rear differential housing.
  4. Fill the rear differential with the proper synthetic gear lubricant. Refer to Adhesives, Fluids, Lubricants, and Sealers.
  5. Inspect the gear oil level to ensure it is even with the bottom of the fill plug.
  6. Install the fill plug and gasket in the rear differential housing and tighten to 35 N·m (26 lb ft)..
  7. Remove the support and lower the vehicle.