Expansion Valve: Service and Repair
THERMAL EXPANSION VALVE REPLACEMENT - AUXILIARYREMOVAL PROCEDURE
1. Remove the left body trim.
2. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging. Service and Repair
3. Remove the evaporator core.
4. Gently remove the sealer packed around the thermostatic expansion valve (TXV).
IMPORTANT: Note the mounting location and the orientation of the capillary tube on the evaporator core.
5. Remove the clip that retains the capillary tube to the evaporator core.
6. Remove the nuts that retain the TXV to the evaporator core.
7. Remove the TXV from the core.
INSTALLATION PROCEDURE
1. Install the TXV to the core.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the nuts that retain the TXV to the evaporator core.
Tighten
Tighten the nuts that retain the TXV to the evaporator core to 5 N.m (44 lb in).
IMPORTANT: Install the retaining clip and the capillary tube in the location and the orientation that was noted during disassembly.
3. Install the capillary tube and the retaining clip to the evaporator core.
4. Pack the sealer around the TXV as found during disassembly.
5. Install the evaporator core.
6. Install the left body trim.
7. Evacuate and charge the system. Refer to Refrigerant Recovery and Recharging. Service and Repair