E 150 V8-4.6L SOHC VIN W (2004)
Service Port HVAC: Description and Operation
SERVICE GAUGE PORT VALVES
The high pressure service gauge port valve is located on the compressor manifold and tube assembly.
The low pressure service gauge port valve is located on the suction accumulator.
The fitting is an integral part of the refrigeration 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.
