New Beetle L4-2.0L (AVH) (2005)
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High Pressure Safety Valve HVAC: Description and Operation
Pressure relief valve
The pressure relief valve is mounted on the compressor or compressor inlet/outlet manifold. At pressures above 40 bar (580 psi), the pressure relief
valve opens to vent excessive pressure. When the system pressure is reduced, the valve closes to prevent total refrigerant loss.
On some models, a cap on the pressure relief valve will pop out if the valve has opened.
