GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Important: Before disconnecting the air hose from the intake air filter or the air compressor, clean the components and the surrounding area to prevent dirt and other foreign material from entering the air compressor.


    Object Number: 344288  Size: SH
  3. Disconnect the intake air filter from the body rail and the air hose.

  4. Object Number: 344303  Size: SH
  5. Slide the air compressor connector off of the connector anchor.
  6. Remove 3 bolts and the heat shield from the air compressor bracket.
  7. Remove the bolt attaching the air line and heat shield to the bracket.

  8. Object Number: 344306  Size: SH
  9. Disconnect the air hose from the air compressor assembly at 2 places.

Installation Procedure


    Object Number: 344306  Size: SH
  1. Connect the air hose to the air compressor assembly at 2 places.
  2. Connect the intake air filter to the air hose and the body rail.
  3. 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: 344303  Size: SH
  4. Install the heat shield and the harness tie with four bolts.
  5. Tighten
    Tighten bolts to 4 N·m (35 lb in).

  6. Install the air compressor connector onto the connector anchor.
  7. Important: Before driving the vehicle, turn the ignition on and wait approximately 45 seconds. This will permit the ALC system to execute the ARC system to execute the ARC, ensuring that the air adjustable shock absorbers are filled with residual pressure.

  8. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .