GM Service Manual Online
For 1990-2009 cars only

Automatic Level Control Sensor and Bracket Replacement Front

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 1371682  Size: SH
  4. Disconnect the front ride sensor link from the upper control arm ball stud.
  5. Disconnect the front ride sensor harness connector.

  6. Object Number: 1371680  Size: SH
  7. Loosen the front ride sensor retaining nut.
  8. Gently tap the front ride sensor retaining stud in order to loosen the stud to fender connection.
  9. Remove the front ride sender from the vehicle.

Installation Procedure


    Object Number: 1371680  Size: SH
  1. Position the sensor to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the front ride sensor retaining nut.
  4. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 1371682  Size: SH
  5. Connect the front ride sensor link to the upper control arm ball stud.
  6. Connect the front ride sensor harness connector.
  7. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  8. Lower the vehicle.

Automatic Level Control Sensor and Bracket Replacement Rear

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Disconnect the rear ride sensor link from the upper control arm ball stud.
  4. Disconnect the rear ride sensor harness connector.

  5. Object Number: 1371666  Size: SH
  6. Loosen the rear ride sensor retaining nut.
  7. Gently tap the rear ride sensor retaining stud in order to loosen the stud to fender connection.
  8. Remove the rear ride sender from the vehicle.

Installation Procedure

  1. Install the sensor to the vehicle.
  2. Bottom out the captured stud in the key hole.

  3. Object Number: 1371666  Size: SH
  4. Rotate the sensor and bracket until the tab on the bracket bottoms out in the slot.
  5. If the sensor bracket is not yet level, continue to rotate it allowing the captured stud to lift slightly from the bottom of the keyhole, until the sensor is level.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Install the rear ride height sensor retaining nut.
  8. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  9. Connect the ride sensor link to the upper control arm ball stud.
  10. Connect the ride sensor harness connector.
  11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  12. Lower the vehicle.