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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 447 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Replacement (LY2, LY5, LH6, L76, L92, LC9 and LMG) >> Removal Procedure

Removal Procedure

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    Fig 1: A/C Belt Tensioner
    GM370869Courtesy of GENERAL MOTORS COMPANY
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) .
  2. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
  3. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  4. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt. If LC9 or LMG engine, Refer to Air Conditioning Compressor Belt Replacement (V8) .
  5. Remove the A/C belt from the A/C compressor.
  6. Slowly release the tension on the A/C belt tensioner.
  7. Remove the discharge hose bolt from the A/C compressor.
  8. Remove the discharge hose from the A/C compressor.
  9. Remove the suction hose bolt from the A/C compressor.
  10. Remove the suction hose from the A/C compressor.
  11. Discard the sealing washers. Cap all of the openings.
  12. Disconnect the electrical connections.
    13. Fig 2: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS COMPANY
  13. Remove the A/C compressor mounting bolts. The lower right bolt (3) will stay with the compressor due to a lack of clearance.
  14. Remove the A/C compressor (2) from the bracket (1).
  15. If replacing the A/C compressor. Refer to Air Conditioning Compressor Oil Balancing (HP2) , Air Conditioning Compressor Oil Balancing (Non-HP2) .
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