Need help w/Engine knock solution
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? |
First of all, attempting to replace an IMS bearing in an engine that you think already has a bad IMS bearing is an very bad idea in and of itself.
If you have a knocking engine, pull it and find out what has failed. Throwing parts at an engine making noise is usually a waste of both money and good parts. |
Sounds like a failing cylinder. Your location further substantiates this if the car was driven over the winter.
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