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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the generator. Refer to Generator Replacement in Engine Electrical.
  3. Remove the idler pulley. Refer to Drive Belt Idler Pulley Replacement in Engine Mechanical 2.8L or to Drive Belt Idler Pulley Replacement in Engine Mechanical 3.5L.
  4. Disconnect the compressor electrical connectors.
    5. IMPORTANT: Some system pressure may still exist in the A/C compressor crankcase after you evacuate the system.
  5. Remove the discharge hose bolt from the compressor.
  6. Remove the suction hose from the compressor.
  7. Remove the compressor hose assembly blocks from the compressor.
    8. Fig 1: View Of A/C Compressor & Mounting Bolts
    GM735963Courtesy of GENERAL MOTORS CORP.
  8. Remove the compressor mounting bolts from the compressor (1).
  9. Remove the compressor.
  10. Drain and measure the compressor oil. Refer to Compressor Oil Balancing .
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