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Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Suspension Control System - Automatic Level Control) >> Repair Instructions >> Air Compressor Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  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 automatic level control (ALC) compressor bracket mounting bolts.
  4. Carefully lower the ALC compressor assembly.
  5. Twist the air tube at the ALC compressor clamp.
  6. Disconnect the air tube from the ALC compressor.
  7. Disconnect the ALC electrical harness connector.
    8. Fig 1: View Of ALC Bracket Side Mounting Nut
    GM1371674Courtesy of GENERAL MOTORS CORP.
  8. Remove the ALC compressor bracket side mounting nut.
  9. Remove the ALC compressor with the bracket from the vehicle.
    10. Fig 2: View Of ALC Compressor
    GM1371668Courtesy of GENERAL MOTORS CORP.
  10. Remove the ALC compressor top bracket mounting screw.
  11. Remove the electrical harness connector from the ALC bracket.
  12. Disconnect the bleed hose from the clip.
  13. Remove the ALC bracket to ALC compressor screws.
  14. Remove the ALC bracket from the ALC compressor.
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