Touareg V8-4.2L (BAR) (2007)
High Pressure Safety Valve HVAC: Testing and Inspection
Pressure Relief Valve On Compressor, Checking
WARNING:
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Frostbite danger.
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Excessive refrigerant outlet pressures are vented by the pressure relief valve with considerable force.
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Should relief valve operate, stay clear of venting refrigerant and switch off engine.
Evidence of refrigerant oil in the area of the relief valve indicates valve has operated.
Pressure relief valve -1- on vehicles with Denso compressor and 6/10-cylinder engine.