High Pressure Safety Valve HVAC: Service and Repair
REMOVAL1. Using a refrigerant recovery machine, remove the refrigerant from the A/C system.
High Pressure Relief Valve - Typical:
2. Rotate the high pressure relief valve counterclockwise and separate relief valve from the vehicle.
INSTALLATION
To install, reverse the preceding operation using a new O-ring seal. Evacuate and charge the refrigerant system.