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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 >> Removal Procedure

Removal 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 Clutch Electrical Connector
    GM296204Courtesy of GENERAL MOTORS CORP.
  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.
  6. Disconnect the compressor clutch electrical connector.
    7. Fig 2: Compressor Hose Assembly & Retaining Bolt
    GM82082Courtesy of GENERAL MOTORS CORP.
  7. Remove the compressor hose assembly retaining bolt.
    8. 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.
    11. Fig 3: Lower Compressor Mounting & Bolts
    GM296278Courtesy of GENERAL MOTORS CORP.
  11. Remove the lower compressor mounting bolts.
    12. Fig 4: Compressor Mounting & Stud
    GM296274Courtesy of GENERAL MOTORS CORP.
  12. Remove the compressor mounting nut.
  13. Fully loosen the compressor mounting stud.
    14. Fig 5: Lower Compressor Mounting & Bolts
    GM296278Courtesy 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 .
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