Question about 1998 Ford Taurus

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Heater in 1998 Ford Taurus

Car runs at normal operating temp. A couple of years back I flushed the radiator, and ever since my heater will not put out any heat. If I don't run the fan for awhile it will put out some heat when I turn the fan on, but cools down quickly and then just blows out cool air. Could it be an airlock and if so how do I get it out. I have also been told that there is a relay under the hood or dash that controls the flow of water through the heater core. What do you think?

dvaught47562@yahoo.com

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  • fitzbryan Feb 22, 2009

    Our 1998 Taurus has a similar problem, but, it affects both the heat and the AC. The fan runs, but, cooling only works sometimes and the same is true for the heat. The car appears to be operating at normal temperature and the coolant looks clean. Car has been well maintained and radiator was serviced regularly. It seems like it could a control valve, or an electrical connection or switch problem, but, I have not been able to trace it down.

    Has anyone had the same problem?

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  • Ford Master
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When u flushed the radiator, what did u find? Was the old coolant dirty, rusty, sediment in it? What u describe sounds like the core is plugged up w/ junk. This would be my 1st choice of the problem, especially if the coolant was rusty, cruddy, as described above. It wouldn't be an air pocket (after a couple of years). Some cars do have a valve that opens and closes to allow the hot coolant into the core for heat, or a flap door that opens to allow the fan to blow air thru the core for heat, but the fact that this started when u flushed the system leads me to believe it's a plugged up core. U could try to flush the system again, make sure the heat is on when u do, so u have circulation tthru the core to help flush it out. let me know how u make out. good luck!

Posted on Oct 23, 2008

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