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 (With HP5) (Refrigerant Recovery and Recharging)Refrigerant Recovery and Recharging (Without HP5) (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 (With HP5) (Refrigerant Recovery and Recharging)Refrigerant Recovery and Recharging (Without HP5) (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 .