GM Service Manual Online
For 1990-2009 cars only

Tools Required

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

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: 623251  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.

  4. Mark the lower control arm along the flat edge of the bushing flange (1).

  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 tools as shown.
  7. Tighten the J 21474-4 until the bushing is removed from the control arm.
  8. Disassemble the bushing tools.

Installation Procedure


    Object Number: 623251  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).
  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 bushing tools as shown.
  5. Tighten the J 21474-4 until the bushing is fully seated in the control arm.
  6. Disassemble the bushing tools.
  7. Install the lower control arm. Refer to Lower Control Arm Replacement .