Just picked up an 87 325e and above 35mph there is a pretty high pitched whine coming from the rear (it seems). It's speed related. The driveshaft feels good, no vibrations. I've had CSBs go out on me in the past they usually rattle and vibrate.
I've noticed generally when bearings go out they get loud and "ROARY" instead of whiny. This noise sounds very much like a gear whine.
Has anyone noticed a rear wheel bearing, half shaft, CSB make a whine instead of rumble? So any idea what I should be focusing on here? Rear diff seems to be the mostly likely culprit.
I've noticed generally when bearings go out they get loud and "ROARY" instead of whiny. This noise sounds very much like a gear whine.
Has anyone noticed a rear wheel bearing, half shaft, CSB make a whine instead of rumble? So any idea what I should be focusing on here? Rear diff seems to be the mostly likely culprit.
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