Ranger 4WD V6-3.0L VIN U (1997)
Service Port HVAC: Testing and Inspection
When attaching Rotunda R-134a Manifold Gauge Set 176-R032A or equivalent with quick disconnects Rotunda 176-R0026 and 176-R0027 or
equivalents to the system, the low pressure gauge hose must be connected to the service access gauge port valve on top of the suction accumulator/drier.
The high pressure service access gauge port valve is located in the discharge line near the A/C condenser core.
