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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement (LB7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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. Install a ratchet into the belt tensioner adapter opening.
  3. Rotate the belt tensioner counterclockwise in order to relieve the tension on the belt.
  4. Remove the belt from the A/C compressor.
  5. Slowly release the tension on the belt tensioner.
    Fig 1: Rotating Belt Tensioner
    G01478977Courtesy of GENERAL MOTORS CORP.
  6. Remove the discharge hose bolt from the A/C compressor.
  7. Remove the discharge hose from the A/C compressor.
  8. Remove the suction hose bolt from the A/C compressor.
  9. Remove the suction hose from the A/C compressor.
  10. Discard the sealing washers. Cap all of the openings.
  11. Disconnect the electrical connections.
  12. Remove the A/C compressor mounting bolts.
  13. If replacing the A/C compressor. Refer to Compressor Oil Balancing .
Fig 2: A/C Compressor & Mounting Bolts
G01478978Courtesy of GENERAL MOTORS CORP.
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