Pressure Relieve Valve On A/C Compressor, Checking

• Function: Protects the refrigerant circuit against excessive pressure

-- Note safety precautions. Refer to HANDLING REFRIGERANT .

-- See notes. Refer to WORKING ON THE REFRIGERANT CIRCUIT .

Fig 1: Checking Pressure Relief Valve On A/C Compressor (Sanden)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

• The pressure relief valve -arrow- has operated when refrigerant oil is found in the close vicinity.
• In this case, take the vehicle to Volkswagen service.

Fig 2: A/C Compressor Pressure Relief Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

• The pressure relief valve -arrow- has operated when refrigerant oil is found in the close vicinity.
• In this case, take the vehicle to Volkswagen service.