Thermostatic Expansion Valve

Thermostatic Expansion Valve





All vehicles

1. Recover the refrigerant. For additional information, refer to Climate Control System - General Information and Diagnostics Air Conditioning (A/C) System Recovery, Evacuation and Charging.

2. If equipped, remove the 4 nuts and the strut tower cross brace.





5.0L (4V) vehicles

3. Remove the engine appearance cover.

5.4L (4V) vehicles

4. Drain the engine coolant. For additional information, refer to Supercharger Cooling Supercharger Cooling System Draining, Filling and Bleeding.

5. Disconnect the heater hose fittings at the rear of the RH cylinder head and position the heater hoses aside.

6. Remove the Exhaust Gas Recirculation (EGR) system module tube. For additional information, refer to Engine Emission Control Service and Repair.

All vehicles

7. Remove the Thermostatic Expansion Valve (TXV) fitting nut and disconnect the fitting.
- Discard the gasket seals.

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

8. Remove the 2 TXV bolts.
- To install, tighten to 7 Nm (62 lb-in).

9. Remove the TXV.
- Discard the gasket seals.

10. To install, reverse the removal procedure.
- Install new gasket seals.

- Add the correct amount of clean PAG oil to the refrigerant system. For additional information, refer to the Refrigerant Oil Adding procedure in Climate Control System - General Information and Diagnostics Refrigerant Oil Adding.

11. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Climate Control System - General Information and Diagnostics Air Conditioning (A/C) System Recovery, Evacuation and Charging.