HOW TO REPLACE EXPANSION VALVE. PACKAGE AC GAS.TXV YORK. 1080HD

TROUBLESHOOT : PRESSURES 10 PSI LOW, 290 HIGH
ADD SOME 410A TO 350 ON HEAD – LOW WENT UP TO 30

WHEN TOOK A PART FOUND THAT CAPILLARY TUBE CONNECTED BULB TO HEAD ON TXV LEAKED OUT ALL GAS – SO VALVE IS SHUT