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.

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