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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 (LB7) >> Removal Procedure

Removal Procedure

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  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.
    Fig 1: Rotating Belt Tensioner (LB7)
    GM657564Courtesy of GENERAL MOTORS CORP.
  4. Remove the belt from the A/C compressor.
  5. Slowly release the tension on the belt tensioner.
  6. Remove the discharge hose bolt (2) from the A/C compressor (3).
    Fig 2: A/C Discharge & Suction Hoses (LB7)
    GM1240158Courtesy of GENERAL MOTORS CORP.
  7. Remove the discharge hose (1) from the A/C compressor (3).
  8. Remove the suction hose bolt (2) from the A/C compressor (3).
  9. Remove the suction hose (1) from the A/C compressor (3).
  10. Discard the sealing washers. Cap all of the openings.
  11. Disconnect the electrical connections.
  12. Remove the A/C compressor mounting bolts.
    Fig 3: Removing A/C Compressor (LB7)
    GM652574Courtesy of GENERAL MOTORS CORP.
  13. If replacing the A/C compressor. Refer to Compressor Oil Balancing .
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