Expansion Valve: Service and Repair

Thermostatic Expansion Valve













Removal and Installation

NOTICE: Motorcraft(R) Electric A/C Compressor Oil only must be used as a refrigerant system lubricant for hybrid vehicles. Addition of any oil other than Motorcraft(R) Electric A/C Compressor Oil to the hybrid vehicle refrigerant system will damage the electric Air Conditioning (A/C) compressor and contaminate the refrigerant system.

NOTICE: Use only the Air Conditioning (A/C) refrigerant compressor oil specified for this vehicle configuration. Use of any A/C refrigerant compressor oil other than what is specified will contaminate and damage the A/C system.

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 (133 lb-in).

4. Remove the 2 TXV bolts.

5. Remove the TXV.
- Discard the gasket seals.

6. NOTICE: Motorcraft(R) Electric A/C Compressor Oil only must be used as a refrigerant system lubricant for hybrid vehicles. Addition of any oil other than Motorcraft(R) Electric A/C Compressor Oil to the hybrid vehicle refrigerant system will damage the electric Air Conditioning (A/C) compressor and contaminate the refrigerant system.

To install, reverse the removal procedure.
- Install new gasket seals.

- Add the correct amount of clean PAG oil (non-hybrid) or electric A/C compressor oil (hybrid) to the refrigerant system.

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