GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The rear suspension jounce bumper is located on the frame, above the rear axle housing.


    Object Number: 181230  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the rear axle (3).
  3. Remove the bolts and screws (4).
  4. Remove the bumper (2).

Installation Procedure


    Object Number: 181230  Size: SH
  1. Install the bumper (2). Install the bumper spacer (WS6 only).
  2. 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.

  3. Install the bolts and the screws (4).
  4. Tighten
    Tighten the bolts and the screws (4) to 27 N·m (20 lb ft).

  5. Remove the rear axle support.
  6. Lower the vehicle.