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1988 Porsche 911 3.2 rear humming noise?
I had a front wheel alignment about a month ago. I did not know that the rear is supposed to be aligned as well. By not aligning the rear would a humming noise from the rear be present? My axles are good, there is no rubbing. Happens at slow speeds,and when I turn right the noise gets louder.When I turn left the noise gets lower. Maybe a wheel bearing? Any answers?
1 Answer
- C7SLv 79 years agoFavorite Answer
It sounds like bad wheel bearing. It is more noticeable at slower speeds because wind and road and engine noise blocks the humming noise a bit more at higher speeds.