Thermostatic Expansion Valve (TXV)
WARNING: This page is about a different car, the 1995 Ford RV Cutaway, 1995 Ford Econoline, 1995 Ford Cutaway, and 1995 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
TXV is a restriction between high and low pressure liquid refrigerant. Valve meters flow of liquid refrigerant into auxiliary system evaporator core. Valve is mounted in refrigerant line adjacent to auxiliary system evaporator core.