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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1151 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
    2. IMPORTANT: The A/C compressor is accessed through the right wheel opening.
    Turn the steering wheel to the right before lifting the vehicle.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the RH engine splash shield. Refer to Splash Shield Replacement - Engine in Body Front End.
    4. Fig 1: Rotating Drive Belt Tensioner
    GM368807Courtesy of GENERAL MOTORS CORP.
  4. Release the drive belt tensioner.

    Remove the drive belt from the compressor pulley.

    5. Fig 2: View Of Lower Air Deflector/Baffle
    GM125807Courtesy of GENERAL MOTORS CORP.
  5. Remove the air baffle bolts.
  6. Remove the air baffle.
    7. Fig 3: View Of Electrical Connector From The Compressor
    GM791142Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the electrical connector from the compressor.
  8. Disconnect the engine harness electrical connector.

    Reposition the engine harness away from the compressor.

    9. Fig 4: Locating Suction Hose To Compressor Nut
    GM791144Courtesy of GENERAL MOTORS CORP.
  9. Remove the suction hose to compressor nut.
    10. IMPORTANT: Cap or tape the open A/C hoses immediately to prevent system contamination.
  10. Disconnect the suction hose from the compressor.
  11. Remove the discharge hose to compressor nut.
  12. Disconnect the discharge hose from the compressor.
  13. Remove and discard the sealing washers.
  14. Cap or tape off the suction hose.
  15. Cap or tape off the discharge hose.
    16. Fig 5: Identifying Compressor Mounting Bolts
    GM629122Courtesy of GENERAL MOTORS CORP.
  16. Remove compressor mounting bolts.
  17. Remove the compressor.
    18. IMPORTANT: Replacement compressors are partially precharged with PAG oil. Refer to Refrigerant System Capacities .
  18. If replacing the compressor, balance the compressor oil. Refer to Compressor Oil Balancing .
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