Ford Focus Forum, Ford Focus ST Forum - View Single Post - Overheating and no heat
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Old 01-23-2013, 11:32 PM   #9
kimszoo
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Join Date: Dec 2012
Fan#: 106993
Location: Ottawa, Canada
What I Drive: 2000 Toreador Red SE

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jetrinka thank you, I think I'll have to learn more about how the coolant circulates, I grew up believeing that the thermostat could cause this and to me it seemed logical that if the thermostat was closed no circulation would occur, therefore no heat in the car. I haven't had any issue with the other things you mentioned, that I've noticed. How can I check these things, or should I just assume it's the water pump alone? And how likely is it that the no heat/overheating issue will happen again if it's caused by another factor that has righted itself, at least for now. Could the ridiculously cold weather have cause the blend doors to stick? I know the coolant level and mix is ok, and if the heater core was plugged it is unplugged now. I flushed the system in the summer, but this is the first time I've ever had any problem with it
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