GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 21474-18 3/8 Inch Nut
    • J 21474-19 3/8 Inch Bolt
    • J 29376-A Rear Control Arm Bushing Service Set
    • J 29376-95 Rear Control Arm Bushing Adapter

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Disconnect the brake hoses from the axle. Refer to Rear Brake Hose Replacement in Hydraulic Brakes.
  4. Remove the wheel speed sensor harness from the retainers on the axle.

  5. Object Number: 493317  Size: SH
  6. Remove the following components from the control arm:
  7. • The bolts (4)
    • The washers (3)
    • The nuts (1)
  8. Rotate the control arm downward in order to gain access to the bushings.

  9. Object Number: 546761  Size: SH
  10. Install the J 29376-95 on the rear control arm.
  11. Install the coupling from theJ 29376-A to the J 29376-95 on the rear control arm.

  12. Object Number: 546766  Size: SH
  13. Assemble the following bushing removal tools as shown:
  14. 9.1. J 21474-19
    9.2. The remover from the J 29376-A
    9.3. The pressure plate from the J 29376-A
    9.4. J 21474-18
  15. Tighten the J 21474-19 until the bushing is removed from the control arm.
  16. Disassemble the bushing removal tools.

Installation Procedure

  1. Coat the outside case of the bushing with a light coat of grease prior to installation.
  2. Insert the bushing into the control arm.

  3. Object Number: 546772  Size: SH
  4. Assemble the following bushing installation tools as shown:
  5. 3.1. J 21474-19
    3.2. The pressure plate from the J 29376-A
    3.3. The installer from the J 29376-A
    3.4. J 21474-18
  6. Tighten the J 21474-19 until the bushing is completely seated in the control arm.
  7. Disassemble the bushing installation tools.

  8. Object Number: 493317  Size: SH
  9. Install the following components:
  10. • The bolts (4)
    • The nuts (1)
    • The washers (3)
  11. Hand tighten the nuts.
  12. Install the wheel speed sensor harness to the rear axle.
  13. Connect the brake hoses to the rear axle. Refer to Rear Brake Hose Replacement in Hydraulic Brakes.
  14. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  15. Lower the vehicle.
  16. Notice: Refer to Fastener Notice in the Preface section.

  17. Tighten the control arm nuts.
  18. Tighten
    Tighten the control arm nuts to 60 N·m (44 lb ft) plus 120 degrees.