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Do i need a new heater core???

(1999 Ford Taurus)
in Evans, CO on October 14, 2010
THe blowers work ac works great heat dosent work what so ever and the coolent has been up kept and that goes with all fluids as well so for it to work do i need a new heater core??
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Popular Answer
of Loveland Tire and Service on October 20, 2010
You may need a heater core, however you MAY be able to flush the heater core and remove blockage. You could also have a problem with the "blend doors" that direct air through the heater core. Make sure your engine is running at its normal temperature as an overheating or underheating may indicate a different issue.
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on January 07, 2011
Answer #2 tricky610 January 07, 2011, 11:14
it is the water pump, I had the same problem last month. I flushed the entife cooling system. Heater core, radiator, and motor. Still no heat at all. Then find out thar fird had MANY problems with the water pumps from 96 to 2000 on the taurus. When i replaced the water pump I realized what they meant. It was like five razor blades spinning with out the side impellers. The new water pump was about a half inch thick and had a 90 degree turn to it. i will bet my life that it is the water pump. Be careful though, four days after I replaced the water pump the head gasket blew. The water pump must of been like that for several years and weakened the head gasket. When I put the new water pump on it was way too much flow and pressure for the weakened head gasket. Ford should have recalled all the models that had those water pumps on them. So blame ford for all your troubles, I did!!!!! Good luck.

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