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Installation Procedure

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Removing/Installing Air Compressor Brackets
    GM227985Courtesy of GENERAL MOTORS CORP.
  1. Install the two brackets on the air compressor with two screws.

    Tighten:  Tighten two screws to 7 N.m (62 lb in).

    2. Fig 2: Removing/Installing Air Compressor Air Hose At Two Places
    GM226931Courtesy of GENERAL MOTORS CORP.
  2. Connect the air hose to the air compressor at two places.
  3. Install the air dryer on the air compressor. Refer to Automatic Level Control Air Dryer Replacement .
    4. Fig 3: Removing/Installing Air Compressor Assembly At Bracket
    GM227997Courtesy of GENERAL MOTORS CORP.
  4. Install the air compressor assembly onto the bracket with three bolts.

    Tighten:  Tighten three bolts to 3 N.m (26 lb in).

    5. Fig 4: Removing/Installing Air Compressor Connector From Connector Anchor
    GM227993Courtesy of GENERAL MOTORS CORP.
  5. Install the heat shield on the air compressor bracket with two bolts (Do not install the third heat shield bolt. It must be installed after the air tube is connected).
  6. Install the air compressor connector to the connector anchor.
    7. Fig 5: Removing/Installing Air Compressor Assembly To/From Vehicle
    GM227988Courtesy of GENERAL MOTORS CORP.
  7. Install the air compressor assembly on the vehicle with two nuts and a bolt.

    Tighten: 

    • Tighten the bolt to 9 N.m (80 lb in).
    • Tighten two nuts to 9 N.m (80 lb in).

  8. Connect the harness connector to the air compressor connector.
  9. Install the intake air filter on the vehicle.
    10. Fig 6: Removing/Installing Air Tubes From Compressor
    GM227996Courtesy of GENERAL MOTORS CORP.
  10. Connect the air tube to the air dryer.
  11. Connect the air tube with the harness tie to the air compressor bracket with the bolt.

    Tighten:  Tighten three bolts to 4 N.m (35 lb in).

    12. IMPORTANT: Before driving the vehicle, turn the ignition on and wait approximately 45 seconds. This will permit the ALC system to execute the ARC, ensuring that the air adjustable shock absorbers are filled with residual pressure.
  12. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
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