Air Conditioning Evaporator Thermal Expansion Valve Replacement LHD

Tools Required

Electronic Leak Detector

1. Remove the engine cover.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.



3. Unscrew the retaining nut (1) used to hold the suction/liquid pipe from the TX valve.

Important: Cover any opening of the A/C system with a suitable cap or tape immediately, to prevent absorption of moisture from the atmosphere.

4. Detach the suction/liquid pipe retaining pad from the block valve.



5. Using a suitable tool, unscrew the TX valve to evaporator retaining screws (1).

Important: Place the TX valve in a plastic bag to avoid any contamination from air born dirt or moisture.

6. Remove the TX valve from the evaporator.



7. Remove the sealing washers from the evaporator.

Important: Fit the sealing washers dry.

1. Fit NEW sealing washers to the evaporator coil.




Important: Make sure that the E clamp that mounts to evaporator is in place before installing TX valve, to enable fitment of attaching bolt

2. Refit the TX valve to the evaporator.

Notice: Refer to Fastener Notice in the Preface section.

3. Insert and tension the TX valve to evaporator retaining screws (1).

Tighten
Tighten the screws to 4N·m (35 lb in).




4. Insert the suction/liquid pipe to the TX valve.
5. Tighten the suction/liquid pipe to the TX valve nut (1).

Tighten
Tighten the nuts to 23N·m (17 lb ft).

6. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
7. Leak test the fittings of the component using electronic leak detector.