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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1151 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Compressor Mounting Bolts
    GM629122Courtesy of GENERAL MOTORS CORP.
  1. Install the compressor.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the compressor mounting bolts.

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

    3. Fig 2: Locating Suction Hose To Compressor Nut
    GM791144Courtesy of GENERAL MOTORS CORP.
  3. Remove cap or tape from the discharge hose.
  4. Install a new sealing washer to the discharge hose. Refer to Sealing Washer Replacement .
  5. Connect the discharge hose to the compressor.
  6. Install the discharge hose to compressor nut.

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

  7. Remove cap or tape from the suction hose.
  8. Install a new sealing washer to the suction hose. Refer to Sealing Washer Replacement .
  9. Connect the suction hose to the compressor.
  10. Install the suction hose to compressor nut.

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

    11. Fig 3: View Of Electrical Connector From The Compressor
    GM791142Courtesy of GENERAL MOTORS CORP.
  11. Connect the electrical connector to the compressor.
  12. Connect the engine harness electrical connector.
  13. Install the air baffle.
    14. Fig 4: View Of Lower Air Deflector/Baffle
    GM125807Courtesy of GENERAL MOTORS CORP.
  14. Install the air baffle bolts.

    Tighten:  Tighten the bolts to 20 N.m (15 lb ft).

    15. Fig 5: Rotating Drive Belt Tensioner
    GM368807Courtesy of GENERAL MOTORS CORP.
  15. Release the drive belt tensioner.

    Install the drive belt on to the compressor pulley.

  16. Install the RH engine splash shield. Refer to Splash Shield Replacement - Engine in Body Front End.
  17. Lower the vehicle.
  18. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  19. Leak test the fittings of the component using J 39400-A  .
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