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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement (LR4, LM7, and LQ4) >> Removal Procedure

Removal Procedure

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  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.
    Fig 1: Removing A/C Belt From A/C Compressor
    G01454188Courtesy of GENERAL MOTORS CORP.
  6. Remove the right front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  7. Remove the wheel house panel from the vehicle. Refer to WHEELHOUSE PANEL REPLACEMENT in Body Front End.
  8. Remove the discharge hose bolt from the A/C compressor.
  9. Remove the discharge hose 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  .
    Fig 2: Removing Compressor LR4, LM7, And LQ4
    G01454189Courtesy of GENERAL MOTORS CORP.
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