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Old 12-24-2020, 11:51 PM   #3
Jerfunk
Scooby Newbie
 
Member#: 520442
Join Date: Nov 2020
Chapter/Region: W. Canada
Location: Saskatchewan Canada
Vehicle:
2006 WRX
Steel Grey Mettalic

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That is quite absurd. Here in Canada my blower motor tends to make unpleasant noises on cold days, but it sounds like you have ruled that out as a possibility. I was gonna say the vent changer motor but if your vent changer is working, then not likely that would be it either. Maybe a fan or something the back of the stereo head unit? I don't know about the stock unit, but I've had a few aftermarket head units with fans and such on the back.
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