Dual Coolant Control Valve

WARNING: This page is about a different car, the 2002 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

The dual coolant valves regulates the flow of engine coolant to each half of the heater core. Two electric solenoids, which are individually actuated by the DATC module, are the control elements. The valve contains five ports:

Fig 1: Dual Coolant Control Valve Component Location

Courtesy of FORD MOTOR CO.