Service Port HVAC: Service and Repair

Air Conditioning Refrigerant Service Valve Core Replacement

Special Tools

* J 39400-A - Halogen Leak Detector

* J 46246 - Valve Core Removal Tool

Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.





2. Use J 46246 - Valve Core Removal Tool or equivalent to remove the valve core.

Installation Procedure





1. Use J 46246 - Valve Core Removal Tool or equivalent to install and tighten the valve core.

2. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

Note:
To prevent loss of refrigerant charge, tighten the cap. Replace the cap if the seal is missing or damaged.

3. Test the affected A/C fittings for leaks using J 39400-A - Halogen Leak Detector.