You need to install the new seal washers to the evaporator core fittings, install the TXV, and install the TXV bolts. Then you need to install new sealing washers on the evaporator tube and the compressor suction hose fittings. After that, you need to install the evaporator tube and the compressor suction hose to the TXV. Finally, you need to install the TXV nut and evacuate and charge the refrigerant system and leak-test the fittings.
By BobGM Specialist
28/10/2022