I picked up a 911 C4 with an engine noise that sounded just like a failed IMS bearing.
Began IMS replacement with engine in car.
Pulled IMS bearing.
Old IMS bearing does not look or feel bad.
Here is my question - Do I install new bearing at this point? Or drop engine and look for another source of the noise. I was expecting to see a noticeably bad bearing, one ready to fall apart but this one looks and feels good.
Any ideas?