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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 Hose Assembly 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: Compressor Mounting & Stud
    GM296274Courtesy of GENERAL MOTORS CORP.
  1. Install the compressor hose assembly into position in the vehicle.
  2. Install the compressor into position on the compressor mounting bracket.
  3. Install the compressor mounting stud to the engine block.
  4. Install the compressor upper mounting bolt.
  5. Remove the cap or tape from the compressor hose assembly and the accumulator.
  6. Install the new O-ring to the compressor hose assembly. Refer to O-Ring Replacement .
    7. Fig 2: Accumulator, Retaining Bolt & Compressor Hose Assembly
    GM95632Courtesy of GENERAL MOTORS CORP.
  7. Connect the compressor hose to the accumulator.
    8. NOTE: Refer to Fastener Notice in Cautions and Notices.
  8. Install the compressor hose assembly to accumulator retaining bolt.

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

    9. Fig 3: Lower Compressor Mounting & Bolts
    GM296278Courtesy of GENERAL MOTORS CORP.
  9. Install the lower compressor mounting bolts.
  10. Raise and support the vehicle.
  11. Remove the cap or tape from the compressor hose assembly and the condenser.
  12. Install a new O-ring to the compressor hose assembly. Refer to O-Ring Replacement .
    13. Fig 4: Condenser Compressor Hose Assembly & Condenser
    GM82073Courtesy of GENERAL MOTORS CORP.
  13. Connect the compressor hose assembly to the condenser.
    14. Fig 5: Disassembling/Reassembling A/C Line Fittings
    GM297225Courtesy of GENERAL MOTORS CORP.
  14. Using a back-up wrench on the condenser fitting (2), secure the compressor hose assembly fitting (1) to the condenser.

    Tighten:  Tighten the fitting to 24 N.m (17 lb ft).

  15. Lower the vehicle.
    16. Fig 6: Compressor Mounting & Stud
    GM296274Courtesy of GENERAL MOTORS CORP.
  16. Tighten the compressor mounting stud.

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

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

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

  19. Tighten the compressor mounting nut.

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

  20. Remove the cap or tape from the compressor hose assembly end and the compressor.
  21. Install the new seal washers to the compressor hose assembly. Refer to Sealing Washer Replacement .
  22. Connect the compressor hose assembly to the compressor.
    23. Fig 8: Compressor Hose Assembly & Retaining Bolt
    GM82082Courtesy of GENERAL MOTORS CORP.
  23. Install the compressor hose assembly retaining bolt.

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

    24. Fig 9: Compressor Clutch Electrical Connector
    GM296204Courtesy of GENERAL MOTORS CORP.
  24. Connect the compressor clutch electrical connector.
  25. Install the RH exhaust manifold heat shield.
  26. Install the compressor drive belt. Refer to Drive Belt Replacement - Air Conditioning in Engine Mechanical - 5.7L.
  27. Install the battery heat shield. Refer to Battery Heat Shield Replacement in Engine Electrical.
  28. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  29. Leak test the fittings of the component using J 39400-A  . See Special Tools and Equipment .
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