Escape 4WD V6-181 3.0L DOHC VIN 1 Duratec (2003)
Service Port HVAC: Description and Operation
Service Gauge Port Valve
The high-pressure gauge port valve is located on the condenser to evaporator line.
The low-pressure gauge port valve is located on the A/C manifold and tube assembly.
The fitting is an integral part of the refrigeration line or component.
^
Special couplings are required for both the high-side and low-side gauge ports.
^
The Schrader-type valve core can be repaired if the seal leaks.
^
Always install the A/C charging valve cap on the gauge port valves after repairing the refrigerant system.
