You need to remove the cap or tape from the evaporator core, clean the sealing surface of the evaporator core and the TXV, slide the new sealing washers onto the evaporator core until seated, install the TXV to the evaporator core, install the TXV to evaporator bolts, remove the cap or tape from the A/C lines, clean the sealing surface of the A/C lines and the TXV, slide the sealing washers onto the A/C lines until seated, then install the evaporator inlet line to the evaporator outlet line, lastly install the evaporator outlet and inlet lines to the TXV.
By BobGM Specialist
28/10/2022