Service Port HVAC: Service and Repair

REMOVAL

A/C Service Port Valves:

1. Remove the valve caps.
2. Using a R-134a refrigerant recovery machine, Remove the refrigerant from A/C system.
3. Using a standard valve core tool, remove the valve core. Be careful to prevent any dirt/debris from entering the valve core opening or getting on the replacement valve core.

INSTALLATION
1. When assembling the new valve core into the port, the core should be oiled with clean ND8 PAG compressor oil.

CAUTION: A valve that is not fully seated can lead to damage to the valve during evacuation and charge. This can result in system refrigerant discharge while uncoupling the charge adapters.

2. Install valve core into port.
3. Evacuate and charge the A/C system.
4. Install the valve caps.