Ranger 4WD L4-2.3L VIN D (2002)
Service Port HVAC: Description and Operation
Service Gauge Port Valve
The high pressure service gauge port valve is located on the compressor to condenser discharge line.
The low pressure service gauge port valve is located on the suction accumulator.
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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The Schrader-type valve core can be replaced 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.