Operation CHARM: Car repair manuals for everyone.

Expansion Valve: Service and Repair




Thermostatic Expansion Valve













Removal and Installation

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

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

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

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

6. To install, reverse the removal procedure.
- Install new O-ring seals.

- Add the correct amount of clean PAG oil to the refrigerant system. For additional information, refer to the Refrigerant Oil Adding procedure.

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