Expansion Valve: Service and Repair

THERMOSTATIC EXPANSION VALVE

Removal and Installation
1. Remove the auxiliary evaporator core.







2. NOTE: Care must be taken not to damage the temperature sensing bulb or capillary tube.

Detach the temperature sensing bulb from the evaporator outlet tube.
1 Remove the A/C insulating tape and save for reuse.
2 Remove the clip and detach the temperature sensing bulb.







3. Remove the thermostatic expansion valve (TXV).

1 CAUTION: Use a wrench on each side of the fitting to prevent damage to the A/C fitting.

Disconnect the refrigerant lines.

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

4. To install, reverse the removal procedure.
- Install new O-ring seals.