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99 ford windstar hearter is blowing light warm air but not enough to warm or defrost. the air works. checked all fuses no propblem there. dont know what the propblem is. just got the blender door fixed last year. can you help me at all. thank-u-

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  • viking49233 Jan 04, 2009

    i really dont understand what you said about the knob because mine is a lever u move from right to left but i did check the thermostat will i tried but when i found out where it was i did a doubletake (why put it in the spot where there is no room) so i also noticed the fluid is dirty so i think i will have it flushed in the morning. please tell me if the thermostat is behind the top hose behind a plate on the engine. thats what i was told. anny comments all would be appreciated.


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I have a 99 ford also. the same thing happened to me. this is a few things i did to solve the problem.... my knob to turn from heat to cool was stripped out. i glued it and it worked for awhile. after that it did the same thing again. then i found out that my thermostat was bad and was not letting the fluid flow thur the heater core. after fixing that and adding the fluid to the max i have not had any other problems with it.... hope this helps you.... try the knob first.....

Posted on Jan 03, 2009

  • eddy hodges Jan 05, 2009

    mine had the the knob that you turn. i understand that some have both kinds. does your car have a resavore tank on it? if so putting water in it to fill the rest of the motor with water does not work always. things you could also try.... pinch top hose almost closed and rev up motor. if you feel water going thu your hand the water pump and radiator is ok. you may also have an air bubble in the motor somewhere thats causing this problem also. also if you notice a leak but no water anywhere it could be a leak it to the manifold. the is a recall item from ford. your hose that connects to the top of your motor is where the thermostat is. becareful taking it out because some of them have a metal washer that if not broken can be used again. to get rid of water bubble you need to fill up the motor with water when you have the thermostat out. fill it all the way up. then take top hose off the radiator and fill it up with water also, then fill up the radiator up where you took the hose off. put hose back on so that water is in every part of the system, even the overflo tank if you have one. i dont think it is the control in the dash...unless you have a bad soidering joint on one of the connectors. this does happen in the air speed controls but not so often in the temp controls.....let me know if this helps


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