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Home › GMC › 2003 › Jimmy 2D Utility, Part Time, Automatic › Repair and Diagnosis › External Pages › Different car › Section 249 (Heating, Ventilation And Air Conditioning) › Repair Instructions › Compressor Pressure Relief Valve Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Pressure Relief Valve To Compressor Hose
    GM933668Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use R-12 refrigerant oil (mineral) to lubricate O-rings. Use of R-134a (PAG) oil will cause premature corrosion of fitting joints.
  1. Lubricate the pressure relief valve O-ring with new R-12 mineral compressor oil. Refer to O-Ring Replacement .
    2. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the pressure relief valve to the compressor hose.

    Tighten:  Tighten the pressure relief valve to 10 N.m (89 in ft).

  3. Lower the vehicle.
  4. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging .
  5. Test the affected A/C joint for leaks using J 39400-A  . See Special Tools .
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