GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 187281  Size: MH
  1. Remove the auto level control air compressor from the vehicle. Refer to Air Compressor Replacement .
  2. Remove the bolt and the auto level control air compressor relay from the auto level control air compressor bracket (3).
  3. Remove the remaining bolt and push in the retainers holding the rubber shield (2) to the bracket.
  4. Disconnect the auto level control air compressor electrical connector from the bracket.
  5. Remove the bolts retaining the auto level control air compressor to the bracket, and the bracket from the auto level control air compressor.

Installation Procedure


    Object Number: 187281  Size: MH

    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 bracket and bolts to the auto level control air compressor.
  2. Tighten
    Tighten the bolts to 4 N·m (35 lb in).

  3. Reconnect the auto level control air compressor electrical connector to the bracket.
  4. Install the rubber shield (2) , the bolt, and push in the retainers to the bracket (3).
  5. Tighten
    Tighten the bolt to 3 N·m (27 lb in).

  6. Install the auto level control air compressor relay and bolt to the auto level control air compressor bracket (3).
  7. Tighten
    Tighten the bolt to 3 N·m (27 lb in).

  8. Install the auto level control air compressor to the vehicle. Refer to Air Compressor Replacement .