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2012 Navigator – Strangest sounds I ever heard – Siren

Michael Sackstein
Michael Sackstein

Yes go ahead and do that. I’ve also seen alternators do that at times when the bearings wear out. It could very well be that your alternator bearing is worn out and in that case you would just get a new alternator. The way you would check that is remove the serpentine belt and then spin the bearing on the alternator. It shouldn’t make any noise at all, if you hear noise then it’s toast.