Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Service Access Gauge Port Valves: Description and Operation
Service gauge ports are located as follows:
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High-pressure port - In the compressor discharge line near the A/C condenser core.
NOTE: An adapter, Rotunda R-134a High Side Quick Disconnect 176-R0037 or equivalent is required to accommodate installation of service
equipment.
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Low-pressure port - On top of the suction accumulator/drier near the A/C cycling switch.
NOTE: An adapter, Rotunda R-134a Low Side Quick Disconnect 176-R0036 or equivalent is required to accommodate installation of service
equipment.
