High Pressure Safety Valve HVAC: Service and Repair

Compressor Pressure Relief Valve Replacement

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.

Important: Cap or tape the open A/C components immediately to prevent system contamination.




3. Remove the high pressure relief valve.
4. 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.






Notice: Refer to Fastener Notice.

2. Install the high pressure relief valve.

Tighten the valve to 8 N.m (70 lb in).

3. Remove the RH tire and wheel assembly.
4. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
5. Leak test the fittings of the component using J 39400-A.