Sable V6-183 3.0L DOHC VIN S MFI (1997)
High Pressure Safety Valve HVAC: Description and Operation
An A/C compressor pressure relief valve has been incorporated in the compressor's A/C manifold and tube to:
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relieve unusually high refrigerant system discharge pressure buildups of 3103 kPa (450 psi) and above.
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prevent damage to the A/C compressor and other A/C system components.
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avoid refrigerant loss by closing after the excessive pressure has been relieved.
