GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 21474-01 Control Arm Bushing Service Set
    • J 23444-A High Pressure Lubricant
    • J 34126 Driven Sprocket Support Bearing Installer
    • J 35379 Front Knuckle Support
  1. Remove the lower control arm. Refer to Lower Control Arm Replacement .
  2. Secure the lower control arm in a vice.

  3. Object Number: 381812  Size: SH
  4. Mark the lower control arm along the flat edge of the bushing flange.

  5. Object Number: 381816  Size: MH

    Important: Apply J 23444-A or equivalent to the threads of the J 21474-27 .

  6. Assemble the following bushing removal tools as shown:
  7. • J 21474-27 Puller Bolt
    • J 21474 Control Arm Bushing Installer
    • J 34126 Driven Sprocket Support Bearing Installer
    • J 35379 Front Knuckle Support
    • J 21474-2 Bushing Installer
    • J 21474-4 Nut
  8. Tighten the J 21474-4 until the bushing is removed from the control arm.
  9. Disassemble the bushing removal tools.

Installation Procedure

Tools Required

    • J 21474-01 Control Arm Bushing Service Set
    • J 23444-A High Pressure Lubricant

    Object Number: 381889  Size: SH

    Important: The lower control arm vertical bushing MUST be installed in the same position which it was removed in order to maintain the original vehicle ride, handling and road feel.

  1. Align the flat edge of the bushing flange to the mark in the control arm (1). Ensure that the flat edge of the bushing flange is 30 degrees (2) from the centerline of the lower control arm. Ensure that the thin slot in the bushing is facing outboard.
  2. Insert the bushing into the control arm.

  3. Object Number: 381815  Size: MH

    Important: Apply J 23444-A or equivalent to the threads of the J 21474-27 .

  4. Assemble the following bushing installation tools as shown:
  5. 3.1. J 21474-27 Puller Bolt
    3.2. J 21474 Control Arm Bushing Installer
    3.3. J 21474-5 Bushing Receiver
    3.4. J 21474-4 Nut
  6. Tighten the J 21474-4 until the bushing is fully seated in the control arm.
  7. Disassemble the bushing installation tools.
  8. Install the lower control arm. Refer to Lower Control Arm Replacement .