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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1546 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Lower Compressor Mounting & Bolts
    GM296278Courtesy of GENERAL MOTORS CORP.
  1. Install the compressor mounting stud to the compressor.
  2. Install the compressor into position on the compressor mounting bracket.
  3. Install the compressor mounting stud to the engine block.
  4. Install the upper compressor mounting bolt.
  5. Install the lower compressor mounting bolts.
    6. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 2: Compressor Mounting & Stud
    GM296274Courtesy of GENERAL MOTORS CORP.
  6. Tighten the compressor mounting stud.

    Tighten:  Tighten the stud to 9 N.m (80 lb in).

  7. Install the compressor mounting nut.
    8. IMPORTANT: Tighten the compressor mounting bolts in the following sequence:
    1. Front upper
    2. Front lower
    3. Rear lower
    Fig 3: Lower Compressor Mounting & Bolts
    GM296278Courtesy of GENERAL MOTORS CORP.
  8. Tighten the compressor mounting bolts.

    Tighten:  Tighten the bolts to 40 N.m (30 lb ft).

  9. Tighten the compressor mounting nut

    Tighten:  Tighten the nut to 40 N.m (30 lb ft).

  10. Remove the cap or tape from the compressor hose assembly.
  11. Install new sealing washers onto the compressor hose assembly. Refer to Sealing Washer Replacement .
    12. Fig 4: Compressor Hose Assembly & Retaining Bolt
    GM82082Courtesy of GENERAL MOTORS CORP.
  12. Install the compressor hose assembly to the compressor.
  13. Install the compressor hose assembly to compressor retaining bolt.

    Tighten:  Tighten the bolt to 26 N.m (19 lb ft).

    14. Fig 5: Compressor Clutch Electrical Connector
    GM296204Courtesy of GENERAL MOTORS CORP.
  14. Connect the compressor clutch electrical connector.
  15. Install the RH exhaust manifold heat shield.
  16. Install the compressor drive belt. Refer to Drive Belt Replacement - Air Conditioning in Engine Mechanical - 5.7L.
  17. Install the water pump. Refer to Water Pump Replacement in Engine Cooling.
  18. Install the battery heat shield. Refer to Battery Heat Shield Replacement in Engine Electrical.
  19. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  20. Leak test the fittings of the component using J 39400-A  . See Special Tools and Equipment .
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