Expansion Valve: Service and Repair

THERMOSTATIC EXPANSION VALVE







Removal and Installation

NOTE:
- Installation of a new receiver/drier desiccant bag 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 desiccant bag.
- The O-ring seals used on this vehicle are not interchangeable with all similarly sized O-ring seals used on other Ford products. Use only the O-ring seals specified for this vehicle in the Ford master parts catalog.

1. Recover the refrigerant.
2. Remove the thermostatic expansion valve (TXV) fitting nut and disconnect the fitting.
- Discard the O-ring seals.
- To install, tighten to 8 Nm (71 lb-in).

3. Remove the 2 TXV bolts.
4. Remove the TXV.
- Discard the O-ring seals.

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

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