Expansion Valve: Service and Repair

Thermostatic Expansion Valve





Underbody Line Connections










Thermostatic Expansion Valve (TXV) Connections









Removal and Installation

1. Recover the refrigerant. Service and Repair

2. Remove the 4 cross vehicle beam nuts and remove the beam.
- To install, tighten to 30 Nm (22 lb-ft).





3. Remove the auxiliary evaporator outlet and inlet line fitting nuts and position the auxiliary lines aside (if equipped).
- Discard the O-ring seals and gasket seals.

- To install, tighten to 15 Nm (133 lb-in).

4. Remove the Thermostatic Expansion Valve (TXV) fitting nut.
- Discard the O-ring seals.

- To install, tighten to 8 Nm (71 lb-in).

5. Remove the 2 TXV bolts.
- To install, tighten to 8 Nm (71 lb-in).

6. Remove the TXV.
- Discard the O-ring seals.

7. To install, reverse the removal procedure.
- Install new O-ring seals and gasket seals.

- Add the correct amount of clean PAG oil. Service and Repair

8. Evacuate, leak test and charge the refrigerant system. Service and Repair Component Tests and General Diagnostics