Sable V6-3.0L DOHC VIN S (2002)
Service Port HVAC: Description and Operation
Service Gauge Port Values
The high-pressure service gauge port valve is located on the high pressure liquid line.
The low pressure service gauge port valve is located on the evaporator to accumulator/drier suction line.
The fitting is an integral part of the refrigerant line or component.
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Special couplings are required for both the high side and low side service gauge ports.
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A new Schrader-type valve core can be installed if the seal leaks.
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Always install the A/C charging valve cap on the service gauge port valves after repairing the refrigerant system.