Question about 2000 Ford Taurus

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Not blowing any heat

2003 ford taurus - heater and defrost blowing fine just not getting any heat. replaced the thermostat but didnt help .... ????? thankyou ...

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  • Anonymous Jan 04, 2009

    heater blows but won't blow any heat it just blows cool air we changed the thermostat and put in new prestone , but it still won't blow enough warm air to defrost the windows or get the inside warm

  • prsiblock Jan 25, 2009

    correct, I have this problem as well, heat gauge appears to run about half way up, then drops back down to cold ( when I assume the thermostat opens ) , still minimal heat out of heater, both heater core hoses feel hot to the touch.

  • Betsy O'Dell Mar 11, 2009

    fan working fine, newly flushed radiator and new coolant, hoses warm to the touch, making a clicking noise when you go from defrost to floor heat and blows nothing but cold air. Temp guage reading correctly.

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Try have the cooling system flush out if this doesn't work you may have to Have the heater core replaced

Posted on Feb 23, 2009

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Took it to the ford garage ...

Posted on Dec 28, 2008

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No heat. ac is fine, defrost is fine with cold air only. no heat available.


Sounds like your heater bypass valve stopped switching. Does your engine get up to operating temperature? Or does your engine not have a temerature gauge? If you do not have a gauge it could be one of 2 problems a stuck open thermostat or the heater bypass valve.

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2003 ford taurus blows cold air out the defrost


Sounds like your hot/cold door is stuck on cold. Is the heat not hot either? If so that could be it. Perhaps your heater core. Good luck.

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My 2001 ford Taurus does not have heat, or front defrost. But my back defrost works. No matter what setting it's on, it blows cold air. I can't recall it even working this past summer with ac. I just...


The back or rear defrost is an electric grid that works independently of the heater. If replacing the thermostat produced heat, you would seemed to have solved the problem but the heater blower could still be at fault. If you can't detect warm air actually blowing into your Taurus the blower is a likely suspect. A faulty blower also would affect your A/C.

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2001 Ford Taurus No Heat I am having trouble with


possibly the bled door is stuck open so only the cold air from a/c works when on defrost vs closing to allow heat to cycle through the system as defrost runs through the a/c system

Sep 18, 2013 | 2001 Ford Taurus

1 Answer

Heat only for 30 sec then goes cold


I would guess its possible that the cable that closes the flap under the hood could possible be failing.

Feb 24, 2013 | 2000 Ford Taurus

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2003 ford taurus blows lukewarm when the heat is on. Blower blows fine and a/c works great.


Check out the heater hoses for warmth. Both should be the same with the water flowing. If they are not, the water is not circulating.

There are 2 ways the heater can work. One style varies the amount of water flow to control the heat levels. The other uses the blend flaps in the ducts to push air flow around the heater core.

If the heater hoses are not circulating water, a part called a flow valve is to blame. Check out the autoparts sites for photos of the flow valve for your car. If you have the blend flap system, a solenoid called a "motor" is not changing the position of the blend flap in the dashes' ductwork.

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The Heater Core is out. It's located under the passenger side under the dash in the black housing.

Jan 28, 2011 | 1999 Ford Taurus

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Defroster fan blows but no hot air comes out


If the heat blows hot, the defrost should also. If the heat does not blow hot air, it could be your thermostat, your heater core valve, or the heater core itself. with the vehicle being a 2002, the heater core is the least likely.

Oct 19, 2010 | 2002 Ford Taurus

1 Answer

How do I change a thermostat in 2003 taurus?


Hi,
The thermostat is located in a housing on your engine that the top radiator hose connects to... but it isn't tied to your heater problem. The thermostat restricts coolant flow until the engine warms up, but doesn't control the car heater.
You may have a fuse issue if the fan isn't blowing any air. That's an easy check and fix. Autozone might check it for you.
I hope this helps... Good luck.

Oct 14, 2009 | 2003 Ford Taurus

1 Answer

97 Ford Taurus


Replace the engine thermostat, it is probably stuck open.

It is located where the top radiator hose enters the engine block and is supposed to close when the engine is cold, thus prevent coolant from going to the radiator while the engine is heating up.

At engine operating temperature, it opens up, sends the coolant to the rad, and keeps the engine coolant at that constant temperature.

99% of the time, this is the culprit.

The other 1% could be a clogged/partially clogged heater core, or a busted heater core (accompanied by a coolant leak/loss over time) which fogs up the windows even more when the heater is on defrost.

Thermostat replacement is an easy, quick job and cheap.

Heater core replacement is a little bit more time/money consuming

Aug 27, 2008 | 2006 Ford Taurus

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