Operation CHARM: Car repair manuals for everyone.

Climate Control

THERMOSTATIC EXPANSION VALVE







Removal and Installation

NOTE: Installation of a new receiver/drier cartridge is not required when repairing the air conditioning system except when there is physical evidence of system contamination from a failed A/C compressor or damage to the receiver/drier cartridge.

All vehicles
1. Recover the refrigerant.

Vehicles with auxiliary A/C
2. Remove the auxiliary evaporator inlet line fitting nut and disconnect the fitting.
- Discard the gasket seal and O-ring seal.
- To install, tighten to 15 Nm (11 lb-ft).

All vehicles
3. Disconnect the evaporator inlet and outlet fittings.
- Discard the O-ring seals.

4. Detach the thermostatic expansion valve (TXV) manifold and tube assembly from the 2 TXV manifold and tube brackets.
5. Remove the tie-strap from the TXV insulator.







6. Remove the TXV fitting bolt.
- Discard the O-ring seals.
- To install, tighten to 8 Nm (71 lb-in).

7. Remove the 2 bolts and the TXV.
- Discard the O-ring seals.
- To install, tighten to 8 Nm (71 lb-in).







8. To install, reverse the removal procedure.
- Install new gasket seals and O-ring seals.
- Lubricate the refrigerant system with the correct amount of clean PAG oil.

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