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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Compressor Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: A/C Belt Tensioner
    GM370869Courtesy of GENERAL MOTORS CORP.
  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. Remove the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  7. Remove the wheel house panel from the vehicle. Refer to Front Wheelhouse Liner Replacement .
  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. Fig 2: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS CORP.
  15. Remove the A/C compressor mounting bolts. The lower right bolt (3) will stay with the compressor due to a lack of clearance.
  16. Remove the A/C compressor (2) from the bracket (1).
  17. If replacing the A/C compressor. Refer to Compressor Oil Balancing .