GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Vehicle Lifting Caution in Cautions and Notices.
  2. Remove the tire and wheel assembly. Refer to Wheel Removal .

  3. Object Number: 155713  Size: SH
  4. Support the control arm with a jack stand.
  5. Disconnect the ELC air tube from the shock.
  6. Remove the two bolts securing the shock to the control arm.
  7. Remove the trunk trim to gain access to the shock upper mounting nuts.

  8. Object Number: 155714  Size: SH
  9. Remove the cover, the two nuts, and the reinforcement from the top of the shock.

  10. Object Number: 155715  Size: SH
  11. Remove the shock from the vehicle.

Installation Procedure


    Object Number: 155715  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 shock, reinforcement, and the two nuts.
  2. Tighten
    Tighten the mounting nuts to 20 N·m (15 lb ft).


    Object Number: 155714  Size: SH
  3. Install the shock cover.
  4. Install the trunk trim.

  5. Object Number: 155713  Size: SH
  6. Install the shock-to-control arm bolts.
  7. Tighten
    Tighten the bolts to 24 N·m (18 lb ft).

  8. Connect the ELC air tube to the shock.
  9. Install the tire and wheel assembly. Refer to Wheel Installation .
  10. Tighten
    Tighten the wheel nuts to 140 N·m (100 lb ft).

  11. Lower the vehicle.