Question about 2000 Ford Taurus
I have changed the thermostat, water pump (which cleared the check engine light which had been on for 2 years :-), flushed the heater core, flushed the radiator and back flushed the whole system with the heater core bypass closed off. The heater/AC heater door actuator motor works. Only thing left to do is replace heater core :-( or figure out if the AC/heater door thingy is broke on the inside?
Posted by Anonymous on
My guess is a bad or unplugged wire connection on a blend door.
Posted on Aug 08, 2017
If the heater core bypass refers to the water flow to the heater core, I would wonder why you did not flush the heater core as part of the system. You can drain water from engine, disconnect heater hoses and add a short hose to the heater and force a garden hose to flush the core.
I have not looked up the particulars for which heater system is on your car. Some just use duct-work to close off air flow through the heater core and the heater core always has hot water in it. Others will use a valve to shut off the water flow through the heater core and they can be either electric or vacuum operated. Combination systems are the third system which controls water flow and duct air flow at the same time.
Some of the Premium Climate control systems with Electronic displays have a computer diagnostic system which self-diagnoses problems but you need the sequence codes and explanation of where the bad part is located.
Posted on Aug 08, 2017
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Posted on Jan 02, 2017
SOURCE: engine overheating
No water pump issues I am aware off, are you sure you bled the air out of the cooling system? If not fill the overflow bottle all the way full, then use a floor jack and raise the front of the car as high as you can ( this allows air to go to top of radiator tank), then run the engine at high idle speed until the cooling fan ( I assume the fan works OK?) comes on, but avoid letting the engine get into the overheat area of the guage, if it does turn it off, run water over the radiator until it cools, check the tank and radiator, top off if you need to and repeat above procedure, if this doesn't work you have some other problem like no or little flow in radiator.
Posted on Jul 27, 2008
My 99 windstar did this too. It was the blend door that the actuator motor goes into was broke. When you pull the actuator out look into the hole and see if you see a d shape piece coming out of the box if it is not d shape it is broke check out this site great photos
Posted on Feb 28, 2009
SOURCE: My heater isnt working.
The heater guard actuator is located under the Dash area. It sounds as if you covered most all of the issues regarding system procedure... It could be as simple as one of the vacuum lines have come undone or the cable has slipped .
Posted on Nov 06, 2009
Testimonial: "thank you I was looking to find out where exactly it was. are they difficult to reach?"
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