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 (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 (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 .