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 (Refrigerant Recovery and Recharging) .
2. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair) .

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 (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. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
4. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging) .
5. Leak test the fittings of the component using J 39400-A .