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There is not a valve that regulates the flow of coolant through the heater core. The Taurus/Sables never had one like that.
Coolant flows through the heater core at all times, no matter the temperature setting.
Temperature adjustments are made by controlling how much air flows through the always hot heater core, by the opening and closing of a damper-type door inside the ductwork.
This temperature blend door is controlled by:
- 1986-about 1995 - A stiff wire cable from the dash control to the door
- 1996 and newer - a small electric actuator motor that positions the temperature blend door inside the ductwork.
- NOTE: this parts has a high failure rate, but is an easy do-it-yourself repair.
For a very comprehensive listing listing of various problems that can happen with the heating system on Taurus/Sables, check out the various "Related Questions" below.
Answer
The Taurus does not have a heater control valve.
No control valve is needed as the engine coolant flows through the heater core all the time.
Temperature adjustment is done with a wire cable from the front control knob / slide control to a door inside the ductwork. This door controls the flow of the air through the heatercore - the more air moving through the core, the hotter the air being blown into the car.
With the total redesign of the Taurus/Sables in 1996, Ford changed from cable connections to a small electric actuator motor to control the temperature blend door.
The Taurus does not have a heater control valve. Coolant flows through the core at all times. Be sure to review the "Related Question" below for much more about Taurus temperature controls
The Taurus does not have a heater control valve. Coolant flows through the core at all times. Be sure to review the "Related Question" below for much more about Taurus temperature controls
There isn't a 'valve' for the heater anymore. The coolant flows through the heater core all the time.
Temperature is controlled by:
- Temperature blend door - control how much air travels through the heater core -
- A small motor that controls the blend door - a rather common failure point.
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