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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 (LR4, LM7, and LQ4) >> 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 air conditioning (A/C) belt tensioner adapter opening.
  3. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
  4. Remove the A/C belt from the A/C compressor.
  5. Slowly release the tension on the A/C belt tensioner.
    6. Fig 1: Rotating A/C Belt Tensioner
    G01478974Courtesy of GENERAL MOTORS CORP.
  6. Remove the right front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
    Fig 2: A/C Compressor & Bracket
    G01478975Courtesy of GENERAL MOTORS CORP.
  7. Remove the wheel house panel from the vehicle. Refer to WHEELHOUSE PANEL REPLACEMENT .
  8. Remove the discharge hose bolt from the A/C compressor.
  9. Remove the discharge hose bolt from the A/C compressor.
  10. Remove the suction hose bolt from the A/C compressor.
  11. Remove the suction hose from the A/C compressor.
  12. Discard the sealing washers. Cap all of the openings.
  13. Disconnect the electrical connections.
  14. Remove the A/C compressor mounting bolts. The lower right bolt (3) will stay with the compressor due to a lack of clearance.
  15. Remove the A/C compressor (2) from the bracket (1).
  16. If replacing the A/C compressor. Refer to Compressor Oil Balancing .
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