GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rainier - 2WD 🢒 General Information 🢒 General Information 🢒 Front Axle Lubricant Replacement

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
  3. Remove the fill plug.

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

Installation Procedure

    Object Number: 748021 Size: SH

    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.

  1. Install the drain plug and the washer.

    2. Tighten
    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
  3. Install the fill plug.

    4. Tighten
    Tighten the fill plug to 32 N·m (24 lb ft).

  4. Install the engine protection shield. Refer to Engine Protection Shield Replacement .
  5. Lower the vehicle.