GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 42066 Wheel Hub Flange Holding Adapter
    • J 42071 Drive Axle Separator
  1. Place the gear selector in the NEUTRAL position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

  4. Object Number: 218877  Size: SH
  5. Install the J 42066 to the wheel hub flange with the wheel bolts.

  6. Object Number: 218879  Size: SH
  7. Remove the bolts (1) from the drive axle flange while holding the J 42066 with a ratchet.

  8. Object Number: 218881  Size: SH
  9. Separate the outer end of the drive axle from the wheel bearing hub inner flange.

  10. Object Number: 218885  Size: SH

    Important: Ensure that the beveled side of the J 42071 , labeled Differential Side, is against the differential and not against the drive axle or damage to the ABS sensor reluctor ring may occur.

  11. Use the J 42071 and a deadblow hammer to separate the drive axle from the rear axle differential.
  12. Remove the drive axle from the vehicle.
  13. Clean the drive axle spline.
  14. Clean the seal surfaces.

Installation Procedure

  1. Lubricate the drive axle spline with differential lubricant.
  2. Lubricate the seal surfaces with differential lubricant.
  3. Important: Use only enough force necessary to seat the drive axle into the rear axle differential.

  4. Use a rubber faced mallet to drive the outer end of the drive axle to install the drive axle into the differential bore.
  5. Position the other end of the drive axle into the wheel bearing hub inner flange.

  6. Object Number: 218877  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.

  7. Use a ratchet to hold the J 42066 while installing the bolts (1) to the drive axle flange (2).
  8. Tighten
    Tighten the bolts to 50 N·m (37 lb ft) + 67°.

  9. Remove the J 42066 from the wheel hub flange.
  10. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  11. Lower the vehicle.