Passat Sedan V6-3.6L (BLV) (2008)
High Pressure Safety Valve HVAC: Testing and Inspection
A/C Compressor Pressure Relieve Valve, Checking
CAUTION!
There is a danger of ice-up.
Check valve drains coolant when engine is running and pressure in coolant circuit is too high.
Turn engine off.
‹› Function: protects refrigerant circuit against excessive pressures
Checking pressure relief valve on A/C compressor (Sanden)
‹› The pressure relief valve - arrow - has operated when refrigerant oil is found in the close vicinity.
‹› In this case, vehicle must be taken to an authorized service workshop.
Checking check valve on A/C compressor (Denso)
‹› The pressure relief valve - arrow - has operated when refrigerant oil is found in the close vicinity.
‹› In this case, vehicle must be taken to an authorized service workshop.