Question about 2007 Lincoln Town Car Signature Limited Sedan
Heat or cold inop on driver's side vents blend door inop ?
Posted by Anonymous on
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Posted on Jan 02, 2017
The problem is most likely a bad dual climate control valve. This component is located on the right side near the radiator under the hood. It will have several coolant hoses hooked to it and 2 silver cylinders protruding from it. You can clamp off the heater hoses at the heater core and see if both sides cool then and this will tell you that the valve is letting coolant thru when it shouldn't be.
This will narrow it down to either the valve or the control head inside the car,or wiring in between them. The only way to narrow it down further is if you have a scan tool that could access the climate control data. Have seen several of these valves cause this concern and have only seen one control head cause it.
Posted on Apr 02, 2009
SOURCE: constant high heat
on climate control press off and heat button and let go quickly. Then press automatic. The display will start rotating eventually displaying a code 025,125 , 024 etc. Then press defrost to stop. You may hear blend door operating atb that time. It worked for my climate control.
Posted on May 06, 2009
check your vaccum lines behind the dash. if you find the one that goes to the blend door, put some vaccum on it and see if it opens and closes for you. if not, then yes, your blend door is broken. if it closes, check your temp control gauge.
Posted on Sep 19, 2009
The heater and a/c blend door actuator motor is located behind the center of the dash just below the windshield. The steering column must be detached and lowered and the dash must be removed to access the blend door motor.
Posted on Oct 12, 2009
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