GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Park Avenue 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Sensor and Bracket Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 537758 Size: MH
  2. Remove the height sensor connector from the vehicle harness connector.
  3. Remove the height sensor harness clip and the connector from the vehicle.
  4. Disconnect the link from the height sensor actuating arm.
  5. Remove the two bolts and the height sensor with the bracket from the vehicle.
  6. Remove the four nuts and the bracket from the height sensor.

Installation Procedure

    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.


    Object Number: 537758 Size: MH
  1. Install the bracket on the height sensor with four nuts.

    2. Tighten
    Tighten four nuts to 3 N·m (26 lb in).

  2. Install the height sensor with the bracket on the vehicle with two bolts.

    3. Tighten
    Tighten two bolts to 11 N·m (97 lb in).

  3. Connect the link to the height sensor actuating arm.
  4. Connect the height sensor harness clip and the connector to the vehicle.
  5. Connect the height sensor connector to the vehicle harness connector.
  6. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  7. Adjust the height sensor. Refer to Automatic Level Control Sensor Adjustment .