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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Standard >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Electronic Suspension - Suspension Damping & Automatic Level Control >> Repair Instructions >> Automatic Level Control Air Compressor Replacement >> Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Fig 1: Air Tube At Air Dryer & Electrical Connection
    GM657695Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    Clean the components and the surrounding area to prevent dirt from entering the air system before disconnecting the air hose from the air compressor.

  3. Disconnect the air tube (1) from the air dryer.
  4. Disconnect the electrical connection (2).
  5. Fig 2: Air Compressor & Air Inlet Hose
    GM657691Courtesy of GENERAL MOTORS COMPANY
  6. Remove the air inlet and hose (1) from the fuel filler neck bracket.
  7. Loosen the mounting nuts.
  8. Slide the air compressor (2) rearward to clear the frame slots.
  9. Remove the air compressor from the vehicle.