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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) >> 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. Remove the caps or tape from the hose and line ends.
  2. Install the A/C compressor.
    Fig 1: Installing A/C Compressor (LB7)
    GM652574Courtesy of GENERAL MOTORS CORP.
    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 connection.
  5. Install the A/C discharge hose (1) to the compressor (3) using new sealing washers.
    Fig 2: Installing Hoses To A/C Compressor (LB7)
    GM1240158Courtesy of GENERAL MOTORS CORP.
  6. Install the A/C discharge hose bolt (2) to the A/C compressor (3).

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

  7. Install the A/C suction hose (1) to the compressor (3) using new sealing washers.
    Fig 3: Installing A/C Suction Hose (LB7)
    GM1240163Courtesy of GENERAL MOTORS CORP.
  8. Install the A/C suction hose bolt (2) to the A/C compressor (3).

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

  9. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 6.6L.
  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the component using the J 39400-A  .
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