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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 889 (Climate Control) >> Description And Operation >> Heating and Ventilation >> Heater Control Valve

Heater Control Valve

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

The heater control valve is actuated by the air inlet door vacuum control motor circuit. When the heater control valve is closed (full vacuum), coolant flow through the heater core is cut off and A/C cooling efficiency is increased.