Operation CHARM: Car repair manuals for everyone.

Climate Control




Thermostatic Expansion Valve





Underbody Line Connections










Thermostatic Expansion Valve (TXV) Connections









Removal and Installation

All vehicles

1. Recover the refrigerant.

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






3.5L vehicles

3. Remove the air cleaner outlet tube.

All vehicles

4. Remove the auxiliary evaporator outlet and inlet line fitting nuts and position the auxiliary lines aside.
- Discard the O-ring seals and gasket seals.

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


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

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


6. Remove the 2 TXV (Thermostatic Expansion Valve) bolts.
- To install, tighten to 8 Nm (71 lb-in).


7. Remove the TXV (Thermostatic Expansion Valve).
- Discard the O-ring seals.


8. Remove the TXV (Thermostatic Expansion Valve) fitting stud.
- To install, tighten to 8 Nm (71 lb-in).


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

- Add the correct amount of clean PAG oil. For additional information, refer to the Refrigerant Oil Adding procedure in Heating and Air Conditioning.


10. Evacuate, leak test and charge the refrigerant system.