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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Compressor Replacement (L18) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the intake air resonator replacement. Refer to Intake Air Resonator Replacement in Engine Controls - 8.1L.
  3. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
    Fig 1: A/C Belt Tensioner
    GM370869Courtesy of GENERAL MOTORS CORP.
  4. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
  5. Remove the A/C belt from the A/C compressor.
  6. Slowly release the tension on the A/C belt tensioner.
  7. Remove the discharge hose bolt from the A/C compressor.
  8. Remove the discharge hose from the A/C compressor.
  9. Remove the suction hose bolt from the A/C compressor.
  10. Remove the suction hose from the A/C compressor.
  11. Discard the sealing washers. Cap all of the openings.
  12. Disconnect the electrical connections.
  13. Remove the A/C compressor mounting bolts.
    Fig 2: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS CORP.
  14. Remove the A/C compressor (2) from the bracket (1).
  15. If replacing the A/C compressor. Refer to Compressor Oil Balancing .
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