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 (Non HP2) (Refrigerant Recovery and Recharging (Non HP2)) .
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .




3. Remove the pressure relief valve from the compressor.



Installation Procedure


Notice: Refer to Fastener Notice (Fastener Notice) .





1. Install the pressure relief valve and seal to the compressor.

Tighten the compressor pressure relief valve to 7 N.m (62 lb in).

2. Lower the vehicle.
3. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging (Non HP2) (Refrigerant Recovery and Recharging (Non HP2)) .
4. Leak test the fittings using the J 39400-A .