GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1371674  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the exhaust system from the rear exhaust hangers.
  3. Remove the bracket side nuts.
  4. Remove the bottom bolts.

  5. Object Number: 1371668  Size: SH
  6. Disconnect the ALC electrical harness connector.
  7. Carefully lower the ALC compressor assembly.
  8. Disconnect the air tube from the ALC compressor.
  9. Disconnect the bleed hose from the clip.
  10. Remove the air compressor assembly from the vehicle.

Installation Procedure


    Object Number: 1371674  Size: SH
  1. Connect the bleed hose to the clip.
  2. Connect the air tube to the ALC compressor.
  3. Install the electrical connector to the ALC compressor bracket.
  4. Connect the ALC electrical harness connector.
  5. Install the ALC bracket side mounting nut.
  6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1371668  Size: SH
  7. Install the ALC bracket mounting bolts.
  8. Tighten
    Tighten the bolts to 9 N·m (80 lb in).

  9. Connect the exhaust system to the rear exhaust hangers.
  10. Lower the vehicle.