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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 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 water pump. Refer to WATER PUMP REPLACEMENT in Engine Cooling.
  4. Remove the compressor drive belt from the compressor clutch. Refer to DRIVE BELT REPLACEMENT-AIR CONDITIONING in Engine Mechanical - 5.7L.
  5. Remove the RH exhaust manifold heat shield.
    Fig 1: Removing Compressor Clutch Electrical Connector
    G01418485Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the compressor clutch electrical connector.
  7. Remove the compressor hose assembly retaining bolt.

    Important:  Cap or tape off the A/C components immediately to prevent system contamination.

  8. Disconnect the compressor hose assembly from the compressor.
  9. Remove and discard the sealing washers.
  10. Cap or tape off the compressor hose assembly.
    Fig 2: Removing Compressor Hose Assembly And Retaining Bolt
    G01418486Courtesy of GENERAL MOTORS CORP.
  11. Remove the lower compressor mounting bolts.
    Fig 3: Removing Lower Compressor Mounting With Bolts
    G01418487Courtesy of GENERAL MOTORS CORP.
  12. Remove the compressor mounting nut.
  13. Fully loosen the compressor mounting stud.
    Fig 4: Removing Compressor Mounting Nut
    G01418488Courtesy of GENERAL MOTORS CORP.
  14. Remove the upper compressor mounting bolt.
  15. Remove the compressor and the mounting stud from the engine block.
  16. Remove the compressor mounting stud from the compressor.
  17. If replacing the compressor, refer to COMPRESSOR OIL BALANCING  .
Fig 5: Removing Upper Compressor Mounting With Bolt
G01418489Courtesy of GENERAL MOTORS CORP.
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