GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  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 tie rod ball stud.
  5. Remove the ball stud from the rear axle tie rod.

Installation Procedure

Notice: When you are servicing the automatic level control sensor link, ensure that the sensor link and the sensor arm are not damaged. Ensure the sensor arm and the sensor link are properly oriented. Improper orientation of the sensor arm and the sensor link may cause damage to the automatic level control system or the vehicle.


    Object Number: 380438  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the ball stud to the rear axle tie rod.
  2. Tighten
    Tighten the height sensor ball stud to 4 N·m (35 lb in).

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