Explorer Sport Trac 4WD V8-4.6L VIN 8 (2007)
High Pressure Safety Valve HVAC: Description and Operation
A/C COMPRESSOR PRESSURE RELIEF VALVE
An A/C compressor pressure relief valve is installed in the compressor to relieve unusually high refrigerant system discharge pressure buildups. The
compressor pressure relief valve will avoid total refrigerant loss by closing after the excessive pressure has been relieved.
