GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Important: Cap or tape the open A/C components immediately to prevent system contamination.


    Object Number: 1480182  Size: SH
  4. Remove the high pressure relief valve.
  5. Cap or tape the A/C compressor high pressure relief valve port.

Installation Procedure

  1. Remove the cap or tape from the A/C compressor high pressure relief valve port.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1480182  Size: SH
  3. Install the high pressure relief valve.
  4. Tighten
    Tighten the valve to 8 N·m (70 lb in).

  5. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  6. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  7. Leak test the fittings of the component using J 39400-A .