Service Port HVAC: Service and Repair

Air Conditioning Refrigerant Service Valve Core Replacement

Tools Required

* J 39400-A Halogen Leak Detector
* J 46246 Valve Core Removal Tool

Removal Procedure

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




2. Use J 46246 or equivalent to remove the valve core.

Installation Procedure




1. Use J 46246 or equivalent to install and tighten the valve core.
2. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging.

Important: 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.