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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1175 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Hose Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  2. Remove the battery heat shield. Refer to BATTERY HEAT SHIELD REPLACEMENT in Engine Electrical.
  3. Remove the compressor drive belt. Refer to DRIVE BELT REPLACEMENT-AIR CONDITIONING in Engine Mechanical - 5.7L.
  4. Remove the RH exhaust manifold heat shield.
  5. Disconnect the compressor clutch electrical connector.
    Fig 1: Removing Compressor Clutch Electrical Connector
    G01418532Courtesy of GENERAL MOTORS CORP.
  6. Remove the compressor hose assembly retaining bolt.

    Important:  Cap or tape the compressor hose assembly and the compressor immediately to prevent system contamination.

  7. Disconnect the compressor hose assembly from the compressor.
  8. Remove and discard sealing washers.
  9. Cap or tape the compressor hose assembly and the compressor.
    Fig 2: Removing Compressor Hose Assembly With Retaining bolt
    G01418533Courtesy of GENERAL MOTORS CORP.
  10. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle   in General Information.

    Important:  Prior to removal, take note of the compressor hose routing and orientation between the compressor and condenser.

  11. Using a back-up wrench on the condenser fitting (2), loosen the compressor hose fitting (1) from the condenser.
    Fig 3: Loosening Compressor Hose Fitting From Condenser
    G01418534Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the compressor hose assembly from the condenser.
  13. Discard the O-ring seal.
  14. Cap or tape the compressor hose and the condenser.
    Fig 4: Disconnecting Compressor Hose Assembly From Condenser
    G01418535Courtesy of GENERAL MOTORS CORP.
  15. Lower the vehicle.
  16. Remove the lower compressor mounting bolts.
    Fig 5: Removing Lower Compressor Mounting Bolts
    G01418536Courtesy of GENERAL MOTORS CORP.
  17. Remove the compressor hose assembly to accumulator retaining bolt.
  18. Disconnect the compressor hose assembly from the accumulator.
  19. Discard the O-ring seal.
  20. Cap or tape the compressor hose and the accumulator.
    Fig 6: Removing Compressor Hose Assembly To Accumulator Retaining Bolt
    G01418537Courtesy of GENERAL MOTORS CORP.
  21. Remove the compressor upper mounting bolt.
  22. Remove the compressor mounting nut.
  23. Fully loosen the compressor mounting stud.
  24. Reposition the A/C compressor forward.
  25. Remove the compressor hose assembly from the vehicle.
Fig 7: Removing Compressor Mounting Nut
G01418538Courtesy of GENERAL MOTORS CORP.
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