Uplander AWD V6-3.5L VIN 8 (2005)
Expansion Valve: Service and Repair
Thermal Expansion Valve
THERMAL EXPANSION VALVE REPLACEMENT
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
IMPORTANT: Cap or tape the open evaporator inlet and outlet tubes immediately in order to prevent system contamination.
1. Recover the refrigerant from the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging.
2. Reposition the heater hoses for clearance, if necessary.
3. Remove the evaporator tube block to the thermal expansion valve (TXV) nut.
4. Disconnect the evaporator inlet and outlet tube block from the TXV.
5. Remove the evaporator inlet tube from the outlet tube.
6. Remove and discard the sealing washers.
7. Cap or tape off the evaporator inlet and outlet tubes.
8. Remove the TXV to evaporator bolts.
9. Remove the TXV from the evaporator core.
10. Remove and discard the TXV sealing washers.
INSTALLATION PROCEDURE
