volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Housing Assembly HVAC > < Heater Core|Service and Repair|Page 6144
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High Pressure Safety Valve HVAC: Testing and Inspection

Pressure Relieve Valve on A/C Compressor, Checking

‹› Function: protects refrigerant circuit against excessive pressures 

CAUTION!
There is a danger of ice-up.

Refrigerant leaks out if refrigerant circuit is not discharged.

Turn engine off.

Checking Compressor Pressure Relief Valve

‹› The pressure relief valve - arrow - has operated when refrigerant oil is found in the close vicinity.

Housing Assembly HVAC > < Heater Core|Service and Repair|Page 6144