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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 >> Installation Procedure

Installation Procedure

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    Fig 1: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS CORP.
  1. Install the A/C compressor (2) to the bracket (1) through the fender well. Insert the mounting bolt (3) into the lower right mounting boss before installing the A/C compressor.
  2. Install the A/C compressor to the bracket. Insert the mounting bolt into the lower right mount before installing the A/C compressor.
  3. NOTE: Refer to Fastener Notice .
  4. Install the A/C compressor mounting bolts.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

  5. Connect the electrical connector to the A/C compressor.
  6. Install the A/C discharge hose to the compressor using new sealing washers. Refer to Sealing Washer Replacement .
  7. Install the A/C discharge hose bolt to the A/C compressor.

    Tighten:  Tighten the bolt to 16 N.m (12 lb ft).

  8. Install the A/C suction hose to the compressor using new sealing washers. Refer to Sealing Washer Replacement .
  9. Install the A/C suction hose bolt to the A/C compressor.

    Tighten:  Tighten the bolt to 16 N.m (12 lb ft).

  10. Install the wheel house panel to the vehicle. Refer to Front Wheelhouse Liner Replacement .
  11. Install the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  12. Install the A/C drive belt. Refer to Drive Belt Replacement - Air Conditioning for the 4.8L, 5.3L, 6.0L and 6.2L engine.
  13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  14. Leak test the fittings of the component using the J 39400-A  . See Special Tools .