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2005 Ford Taurus

Question: Heat blows luke warm

Question

Visitor, Saratoga Springs, NY, December 14, 2010, 11:56

The heat blows luke warm at idle and heats up as I drive or at high idle. Once you stop goes back to luke warm. I have replaced the thermostat and still no real heat. I dont know if I should flush the heater core or look at the blend door.

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  • Answer #1

    mastertech6371 December 14, 2010, 12:07
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     Master

    if it was the blend door, it would not warm up off idle.
    flushing the heater core is a good start.
    if you have a 3.0 overhead valve motr or vin code U the water pump is a common failure that the impeller rots out and has poor circulation in the system.

    Roy

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    Visitor, December 17, 2010, 11:37

    I changed the water pump and it worked that night, but when I woke up the next day it was back to the same thing. Low idle luke warm air, high idle warm air. The temp gauge reads just fine, I think I am going to try the cap on the coolant.

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    Visitor, December 19, 2010, 13:31

    I changed the cap and no change.

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    Visitor, January 16, 2011, 19:58

    clogged radiator dude. replace it

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  • Answer #2

    Visitor, January 16, 2011, 19:56

    replace the radiator, it's clogged. the flow is restricted

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