GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 280214  Size: SH
  1. Remove the air compressor assembly from the vehicle. Refer to Air Compressor Replacement .
  2. Remove the air dryer. Refer to Automatic Level Control Air Dryer Replacement .
  3. Cut the harness tie.
  4. Remove the bolt and the harness tie.
  5. Important: Note the wire colors and the terminal numbers to ensure correct assembly.

  6. Remove the 2 harness ties and the wrap from the wires.
  7. Remove 2 wire terminals from the air compressor connector.
  8. Remove 3 head bolts and the air compressor head from the air compressor assembly.
  9. Remove the gasket from the air compressor head or the air compressor assembly.

Installation Procedure


    Object Number: 280214  Size: SH
  1. Install the new gasket on the air compressor assembly.
  2. 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.

  3. Install the air compressor head on the air compressor assembly with 3 bolts.
  4. Tighten
    Tighten 3 bolts to 6 N·m (53 lb in).

  5. Install the 2 wire terminals in the air compressor connector.
  6. Install the wrap around 4 wires and secure with 2 harness ties.
  7. Install 4 wires in the harness tie and install the harness tie on the air compressor head with the bolt.
  8. Tighten
    Tighten the bolt to 3 N·m (26 lb in).

  9. Install the air dryer. Refer to Automatic Level Control Air Dryer Replacement .
  10. Install the air compressor on the vehicle. Refer to Air Compressor Replacement .