GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1631635  Size: SH
  1. Clean the area around the rear axle fill plug.
  2. Remove the rear axle drain plug and drain the lubricant into a suitable container.

  3. Object Number: 1631747  Size: SH
  4. Remove the rear axle cover. Refer to Rear Axle Housing Cover and Gasket Replacement .

Installation Procedure


    Object Number: 1631747  Size: SH

    Important: A new gasket is not required unless the gasket is damaged.

  1. Install the rear axle cover. Refer to Rear Axle Housing Cover and Gasket Replacement .
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1631631  Size: SH
  3. Install the drain plug.
  4. Tighten
    Tighten the drain plug to 33 N·m (24 lb ft).

  5. Fill the rear axle with axle lubricant. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations .
  6. Inspect the fluid level. Refer to Rear Axle Lubricant Level Inspection .