GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 293367  Size: SH

    Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  1. Raise and support vehicle.
  2. Remove the wheels and tires. Refer to Wheel Removal in Wheels and Tires.
  3. Lower exhaust system.
  4. Remove the springs. Refer to Coil Spring Insulators Replacement in Rear Suspension
  5. Remove the brake calipers and support. Refer to Brake Caliper Replacement in Brakes.
  6. Disconnect the wheel speed sensor electrical connector from each wheel.

  7. Object Number: 106206  Size: SH
  8. Release the park brake cable from brake calipers.
  9. Loosen the parking brake cable (1) and then disconnect the cable at the rear suspension support assembly.

  10. Object Number: 293366  Size: SH
  11. Disconnect the electrical connectors from the support assembly.
  12. Remove the electronic level control electrical connector and vent hose.
  13. Disconnect the electronic level control link from the left and right control arm.
  14. Remove the electronic level control vent tube from the electronic level control compressor.
  15. Support the rear suspension support assembly with a transmission jack and securely support.

  16. Object Number: 105036  Size: SH
  17. Remove three bolts per side, securing the support brackets to the body of the vehicle.

  18. Object Number: 105035  Size: SH
  19. Remove the front two and rear two bolts securing the support assembly to the body.
  20. Lower transmission jack and remove the support assembly.

Installation Procedure


    Object Number: 105035  Size: SH
  1. Raise the support assembly with transmission jack in position.
  2. Install two rear and two front bolts at the mounts.
  3. Tighten

        • Tighten the front support assembly bolts to 191 N·m (141 lb ft).
        • Tighten the rear support assembly bolts 191 N·m (141 lb ft).

    Object Number: 105036  Size: SH
  4. Install the brackets at the forward support assembly mounts.
  5. Tighten
    Tighten bolts to 86 N·m (63 lb ft).


    Object Number: 293366  Size: SH
  6. Connect the electronic level control air tube to the electronic level control compressor.
  7. Connect the electronic level control electrical connector and vent tube.
  8. Connect the electrical connectors to the support assembly.
  9. Connect the electronic level control links to both control arms.

  10. Object Number: 106206  Size: SH
  11. Attach the parking brake cable at the support assembly.
  12. Install the parking brake cable (1) to the brake calipers.
  13. Install the brake calipers. Refer to Brake Caliper Replacement in Brakes.
  14. Install the springs. Refer to Coil Spring Insulators Replacement in Rear Suspension.
  15. Install the exhaust system.
  16. Install the tires and wheels. Refer to Wheel Installation in Wheels and Tires.
  17. Tighten
    Tighten the wheel nuts to 140 N·m (100 lb ft).