Expansion Valve: Service and Repair

THERMAL EXPANSION VALVE REPLACEMENT (AUXILIARY)-MANUAL HVAC

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

1. Disconnect the negative battery cable.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging Service and Repair
3. Remove the evaporator core.
4. Complete the following steps in order to remove the TXV from the evaporator core:
^ Remove the clip retaining the capillary tube to the suction pipe.
^ Remove the TXV from the evaporator inlet pipe.

INSTALLATION PROCEDURE
1. Install the TXV to the evaporator core by completing the following steps:
^ Install the TXV to the evaporator core inlet pipe.
^ Install the capillary tube to the suction line.
^ Install the capillary tube to the retaining clip.
2. Install the evaporator core.
3. Charge the system. Refer to Evaporator Core Replacement Service and Repair
4. Connect the negative battery cable.