Operation CHARM: Car repair manuals for everyone.

Expansion Valve: Service and Repair

Fig. 7 Auxiliary system expansion valve removal:






1. Remove first bench seat, if equipped.
2. Remove auxiliary heater-A/C cover assembly, Fig. 7.
3. Discharge refrigerant from system.
4. Disconnect and cap liquid line from expansion valve, Fig. 7.
5. Remove insulating tape from evaporator core outlet tube. Then remove clamp and expansion valve capillary bulb from outlet tube of evaporator core.
6. Remove expansion valve from evaporator core inlet tube.
7. Reverse procedure to install. Use new O-rings lubricated with refrigerant oil.
8. Leak test, evacuate and charge system.