GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1500  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Clean all of the dirt from the area of the rear axle housing cover before removing the cover.
  3. Remove the following components:
  4. • The rear axle housing cover bolts
    • The parking brake cable guides
  5. Place a drain pan under the differential cover.
  6. Carefully pry the rear axle housing cover loose, and remove the rear axle housing cover.
  7. Allow lubricant to drain.
  8. Remove the rear axle housing cover gasket.
  9. Clean the gasket sealing surfaces of the cover and the differential housing with denatured alcohol, or equivalent.

Installation Procedure


    Object Number: 1500  Size: SH
  1. Install a new rear axle housing cover gasket.
  2. Install the rear axle housing cover.
  3. Install the park brake cable guides.
  4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the rear axle housing cover bolts.
  6. Tighten
    Tighten the rear axle housing cover bolts in a cross pattern to 30 N·m (22 lb ft).

  7. Refill rear axle with lubricant. Refer to Lubricant Level Check .
  8. Lower the vehicle.