Diesel Data: Automotive Repair

Thermostatic Expansion Valve




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 2 Thermostatic Expansion Valve (TXV) fitting nuts and disconnect the fittings.
- Discard the O-ring seals.

- To install, tighten to 10 Nm (89 lb-in).

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

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

5. 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 Climate Control System - General Information and Diagnostics Service and Repair.

6. 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.