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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 982 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Compressor Replacement (LR4, LM7, and LQ4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    Fig 1: View of A/C Compressor & Bolts
    GM648141Courtesy of GENERAL MOTORS CORP.
  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 in Cautions and Notices.
  3. Install the A/C compressor mounting bolts.

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

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

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

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

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

  9. Install the wheel house panel to the vehicle. Refer to Wheelhouse Panel Replacement in Body Front End.
  10. Install the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  11. Install the A/C drive belt. Refer to Drive Belt Replacement - Air Conditioning in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  12. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  13. Leak test the fittings of the component using the J 39400-A  .
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