Expansion Valve: Service and Repair
THERMOSTATIC EXPANSION VALVERemoval and Installation
1. Recover the refrigerant.
2. Disconnect the A/C pressure transducer electrical connector and detach the wire harness from the thermostatic expansion valve (TXV) stud.
3. Remove the TXV fitting nut and disconnect the fitting.
- Discard the gasket seals.
- To install, tighten to 15 Nm (11 lb-ft).
4. Remove the 2 TXV bolts.
5. Remove the TXV.
- Discard the gasket seals.
6. To install, reverse the removal procedure.
- Install new gasket seals.
- Lubricate the refrigerant system with the correct amount of clean PAG oil.
7. Evacuate, leak test and charge the refrigerant system.