Expansion Valve: Service and Repair

Thermostatic Expansion Valve

Removal and Installation

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. Remove the RH fender splash shield. For additional information, refer to Front End Body Panels Fender Splash Shield.

3. Remove the evaporator-to-compressor suction line fitting nut and disconnect the fitting.
- Discard the O-ring seal and gasket seal.

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

4. 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).

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

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

7. 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.

8. 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.