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post #1 of 4 (permalink) Old 01-10-12, 10:56 AM Thread Starter
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Thermostat Issue?

As it has been a mild NE winter, I had not noticed that my 2003 Focus does not seem to warm up as usual. Is the thermostat the first thing I should check? Antifreeze level is fine. I have changed a thermostat but it was a 1968 Mustang. Is the thermostat on the Focus accessible? Thanks so much.
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post #2 of 4 (permalink) Old 01-10-12, 11:39 AM
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Re: Thermostat Issue?

It is possible that the thermostat is opening to soon. Check the hoses to the heater core when the engine is hot to see how hot they get. If you move the control from hot to cold, does the air come out colder/

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post #3 of 4 (permalink) Old 01-10-12, 12:40 PM
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Re: Thermostat Issue?

^ & could be stuck open .
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post #4 of 4 (permalink) Old 01-16-12, 05:00 PM
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Re: Thermostat Issue?

Yea I think mine is stuck open right now too, it takes like 5 miles or more to fully warm up.

Thermostat sucks for the Zetec, It's hard to get a good one.

2000 focus wagon 2.0l DOHC Zetec
04 Subaru WRX,:)

How-to directory.

Ford focus DTC codes.

Ford= First on race day.
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