Expansion Valve: Service and Repair

Thermostatic Expansion Valve - 3.5L, 3.7L













Removal and Installation

NOTE: The O-ring seals used on this vehicle are not interchangeable with all similarly sized O-ring seals used on other Ford products. Use only the O-ring seals specified for this vehicle in the Ford master parts catalog.

1. Recover the refrigerant.

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

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


3. Remove the 2 TXV (Thermostatic Expansion Valve) bolts.

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


5. To install, reverse the removal procedure.
- Install new O-ring seals lubricated in clean PAG oil.

- Lubricate the refrigerant system with the correct amount of clean PAG oil.


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