GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

  2. Object Number: 865996  Size: SH
  3. Remove the front differential carrier shield, if equipped. Refer to Engine Protection Shield Replacement .
  4. Clean the area around the front axle fill plug and the drain plug.
  5. Remove the fill plug (1).
  6. Remove the drain plug (2).
  7. Drain the fluid from the front axle differential.

Installation Procedure

    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.


    Object Number: 865996  Size: SH
  1. Install the drain plug (2).
  2. Tighten
    Tighten the drain plug to 33 N·m (24 lb ft).

  3. Fill the front differential with lubricant. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations .
  4. Install the fill plug (1).
  5. Tighten
    Tighten the fill plug to 33 N·m (24 lb ft).

  6. Install the front differential carrier shield, if equipped. Refer to Engine Protection Shield Replacement .
  7. Lower the vehicle.