B3000 SE Regular Cab 2WD V6-3.0L OHV (2002)
High Pressure Safety Valve HVAC: Description and Operation
A/C COMPRESSOR PRESSURE RELIEF VALVE
An A/C compressor pressure relief valve is incorporated in the manifold and tube assembly to:
-
Relieve unusually high refrigerant system discharge pressure buildups, (3103 kPa [450 psi] and above).
-
Prevent damage to the A/C compressor and other system components.
-
Avoid total refrigerant loss by closing after the excessive pressure has been relieved.