Re: Mystery quiet high pitch whine, VIDEO, '08 Sport
Question.. if you rev it up a little does it change in speed or does it change in pitch at all? I think it could be a failing bearing in one of the pullies or tensioner, possible even the ALT because my ALT started to make that same exact noise before it got worse and without any loss of charging conditions or abilities. I could be wrong and I wouldnt ignore or discount what @Grumpa said either
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