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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1151 (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 2004 Pontiac Aztek and 2004 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. Fig 1: View Of Lower Air Deflector/Baffle
    GM125807Courtesy of GENERAL MOTORS CORP.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the air baffle bolts.
  4. Remove the air baffle.
    5. Fig 2: View Of Suction Hose To A/C Compressor Nut
    GM791146Courtesy of GENERAL MOTORS CORP.
  5. Remove the suction hose to A/C compressor nut.
    6. IMPORTANT: Immediately cap or tape the open A/C components 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.
    10. Fig 3: Identifying High Pressure Relief Valve
    GM903621Courtesy of GENERAL MOTORS CORP.
  10. Remove the high pressure relief valve from the A/C compressor.
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