GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Aztek - AWD 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Air Compressor Head Replacement

Removal Procedure

    Object Number: 187229 Size: SH
  1. Remove the automatic level control air compressor from the vehicle. Refer to Air Compressor Replacement .
  2. Remove the air dryer from the automatic level control air compressor. Refer to Automatic Level Control Air Dryer Replacement .
  3. Remove the wiring terminals B and D from the automatic level control air compressor electrical connector.
  4. Disconnect the exhaust hose from the automatic level control air compressor head.
  5. Remove the bolts/screws from the automatic level control air compressor head (2).
  6. Remove the automatic level control air compressor head.
  7. Remove the O-ring (3) from the automatic level control air compressor.

Installation Procedure

    Object Number: 187229 Size: SH
  1. Install the O-ring (3) to the automatic level control air compressor.

    2. Object Number: 187233 Size: SH
  2. Install the air compressor head.

    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.

  3. Install the air compressor head bolts.

    4. Tighten
    Tighten the air compressor head bolts in the order shown to 6 N·m (53 lb in).

  4. Route the wires through the tie strap and the conduit.
  5. Install the wiring to terminals B and D on the automatic level control air compressor electrical connector.
  6. Install the air dryer to the automatic level control air compressor. Refer to Automatic Level Control Air Dryer Replacement .
  7. Connect the exhaust hose to the automatic level control compressor head.
  8. Install the automatic level control air compressor to the vehicle. Refer to Air Compressor Replacement .