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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 866 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Pressure Relief Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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. Raise and support the vehicle.
  3. Remove the air baffle bolts.
  4. Remove the air baffle.
    Fig 1: Removing Air Baffle Bolts
    G01498810Courtesy of GENERAL MOTORS CORP.
  5. Remove the suction hose to A/C compressor nut.

    Important:  Immediately cap or tape the open A/C components immediately in order to prevent contamination.

  6. Disconnect the suction hose from the A/C compressor.
  7. Remove and discard the seal washer and position the suction hose aside.
  8. Cap or tape the A/C compressor suction port and suction hose end fitting.
  9. Lower the vehicle.
    Fig 2: Removing Compressor Pressure Relief Valve
    G01498811Courtesy of GENERAL MOTORS CORP.
  10. Remove the high pressure relief valve from the A/C compressor.
    Fig 3: Removing High Pressure Relief Valve From A/C Compressor
    G01498812Courtesy of GENERAL MOTORS CORP.
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