Jetta Sedan L5-2.5L (CBTA) (2009)
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High Pressure Safety Valve HVAC: Testing and Inspection
A/C Compressor Pressure Relieve Valve, Checking
‹› Function: protects refrigerant circuit against excessive pressures
CAUTION!
‹› Frostbite danger!
‹› Excessive refrigerant outlet pressures are vented by the pressure relief valve with considerable force.
‹› Should relief valve operate, stay clear of venting refrigerant and switch off engine.
A/C compressor pressure relief valve - Sanden, checking
‹› Evidence of refrigerant oil in the area of the relief valve - arrow -indicates valve has operated.
‹› Replace valve and determine cause of excessive refrigerant system pressure.
