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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Air Suspension) >> Repair Instructions >> Compressor Assembly Automatic Level Control Air Replacement (Dual Compressors) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Do NOT remove an air supply pipe in an attempt to depressurize the air suspension. Always follow the Air Suspension Depressurization Procedure in Air Suspension. Failure to follow this procedure may cause personal injury or damage to the vehicle.
    Fig 1: Inflator Switch & Spring Compressor Connectors (1, 2), CPA Retainer (3)
    GM1455975Courtesy of GENERAL MOTORS CORP.
  1. Depressurize the air suspension system. Refer to Air Suspension Depressurization .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Support the compressor assembly with a suitable stand.
  4. Remove the connector position assurance (CPA) retainer (3).
  5. Disconnect the air inflator switch and air spring compressor electrical connectors (1, 2).
    6. Fig 2: Rear Compressor Mounting Bolts
    GM1455978Courtesy of GENERAL MOTORS CORP.
  6. Remove the rear compressor mounting bolts (1).
    7. Fig 3: Ground Strap & Bolt
    GM1455980Courtesy of GENERAL MOTORS CORP.
  7. Remove the ground strap bolt (1).
  8. Remove the ground strap (2) from the frame.
  9. Remove the front compressor mounting bolt (3).
    10. IMPORTANT: Note the port location of the air lines for reassembly.
  10. Disconnect the air lines. Refer to Air Suspension Air Line Replacement .
  11. Remove the compressor assembly from the vehicle.
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