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. Detach the brake booster vacuum hose retainer from the strut tower brace.
3. NOTE: RH side of strut tower brace shown, LH similar.
Remove the 4 nuts and the strut tower brace.
- To install, tighten to 30 Nm (22 lb-ft).
4. Remove the Thermostatic Expansion Valve (TXV) fitting nut.
- Discard the O-ring seals.
- To install, tighten to 8 Nm (71 lb-in).
5. Remove the 2 TXV bolts.
- To install, tighten to 8 Nm (71 lb-in).
6. Remove the TXV.
- Discard the O-ring seals.
7. To install, reverse the removal procedure.
- Install new O-ring seals and gasket seals.
- Add the correct amount of clean PAG oil. 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.