GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 21474-01 Control Arm Bushing Set
    • J 34126 Sprocket Bearing Remover
    • J 35379 Front Knuckle Support
    • J 23444-A Extreme Pressure Lubricant-¼ Ounce Tube

Removal Procedure

  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 high pressure lubricant, to the threads of the J 21474-27 .

  6. Assemble the following bushing removal tools as shown:
  7. • J 21474-27 ½ Inch Puller Bolt Thrust Bearing
    • J 21474 Control Arm Bushing Installer
    • J 34126 Sprocket Bearing Remover
    • J 35379 Front Knuckle Support
    • J 21474-2 Bushing Installer Remover
    • J 21474-4 ½ Inch Nut
  8. Tighten the J 21474-4 until the bushing is removed from the control arm.
  9. Disassemble the bushing removal tools.

Installation Procedure


    Object Number: 381889  Size: SH

    Important: Install the lower control arm vertical bushing in the original position 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 high pressure lubricant, to the threads of the J 21474-27 .

  4. Assemble the following bushing installation tools as shown:
  5. • J 21474-27 ½ Inch Puller Bolt Thrust Bearing
    • J 21474 Control Arm Bushing Installer
    • J 21474-5 Control Arm Bushing Receiver
    • J 21474-4 ½ Inch 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 .