GM Service Manual Online
For 1990-2009 cars only

Automatic Level Control Sensor Link Ball Stud Replacement Twist Axle

Removal Procedure

  1. Remove the ELC/TRAILER fuse.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  3. Object Number: 380438  Size: SH

    Important: When removing the link, do NOT bend or break the sensor arm.

  4. Remove the automatic level control sensor link from the rear suspension ball stud.
  5. Remove the ball stud from the rear suspension.

Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 380438  Size: SH
  1. Install the ball stud to the rear suspension.
  2. Tighten
    Tighten the height sensor ball stud to 12 N·m (106 lb in).

  3. Install the automatic level control sensor link to the rear suspension ball stud.
  4. Lower the vehicle.
  5. Install the ELC/TRAILER fuse.

Automatic Level Control Sensor Link Ball Stud Replacement IRS

Removal Procedure

  1. Remove the ELC/TRAILER fuse.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  3. Object Number: 1708471  Size: SH

    Important: When removing the link, do NOT bend or break the sensor arm.

  4. Remove the automatic level control sensor link (1) from the ball stud.
  5. Remove the ball stud (2) from the control arm.

Installation Procedure


    Object Number: 1708471  Size: SH
  1. Install the ball stud (2) to the control arm.
  2. Tighten
    Tighten the ball stud to 12 N·m (106 lb in).

  3. Install the automatic level control sensor link (1) to the ball stud.
  4. Lower the vehicle.
  5. Install the ELC/TRAILER fuse.