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Discussion Starter #1
I purchased my Mazda new in 2007 and it has never been the best at heating or cooling (basic heating cooling controls). The fan speed is good but the heat never gets really hot nor does the cold (a/c) ever get really cold in the summer. And now with the blower on high I am getting a really annoying "whistling"

I am guessing have multiple issues?? Possible thermostat issue and the whistling from a air mixture "door" that isn't fully closing??

I have flushed and renewed the cooling system.

Any thoughts?? How to's?? Fix's??

Thank you in advance M6S
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