GM Service Manual Online
For 1990-2009 cars only

Lower Control Arm Ball Joint Replacement 4WD, 2WD, Z71

Removal Procedure

  1. Remove the steering knuckle. Refer to Steering Knuckle Replacement.

  2. Object Number: 1241422  Size: SH
  3. Remove the ball joint nuts and bolts from the lower control arm. Discard the nuts and bolts.
  4. Remove the ball joint from the lower control arm.

Installation Procedure

  1. Install the ball joint to the upper control arm.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1241422  Size: SH
  3. Install the new ball joint nuts and bolts to the lower control arm and tighten to 64 N·m (47 lb ft).
  4. Install the steering knuckle. Refer to Steering Knuckle Replacement.
  5. Verify the wheel alignment. Refer to Wheel Alignment Specifications.

Lower Control Arm Ball Joint Replacement 2WD, Z85, ZQ8

Removal Procedure

  1. Remove the steering knuckle. Refer to Steering Knuckle Replacement.

  2. Object Number: 1241420  Size: SH
  3. Remove the ball joint nuts and bolts from the lower control arm. Discard the nuts and bolts.
  4. Remove the ball joint from the lower control arm.

Installation Procedure

  1. Install the ball joint to the lower control arm.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1241420  Size: SH
  3. Install the new ball joint nuts and bolts to the lower control arm and tighten the nuts to 60 N·m (44 lb ft).
  4. Install the steering knuckle. Refer to Steering Knuckle Replacement.
  5. Verify the wheel alignment. Refer to Wheel Alignment Specifications.