B3000 DS Regular Cab 2WD V6-3.0L OHV (2002)
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 receiver/drier.
1. A/C Charging Valve Cap
2. Low Pressure Service Gauge Port Valve
3. Schrader-Type Valve
4. O-Ring Seal
5. High Pressure Service Gauge Port Valve
6. A/C Charging Valve Cap
The fitting is an integral part of the refrigeration line or component.
-
Special couplings are required for both the high side and low side service gauge ports.
-
The Schrader-type valve core can be replaced if the seal leaks.
-
Always install the A/C charging valve cap on the service gauge port valves after repairing the refrigerant system.
