Quote:
Originally Posted by JFP in PA
Yes. Sometimes when the bolt fails, the IMS bearing can move off axis, timing chain(s) jump, and you get piston to valve contact related failure. The IMS bearing itself is still relatively OK except for the bolt failure. Other times, the bearing itself is tearing up, possibly causing the bolt failure; so it can go either way.
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Interesting... sorry one more question, this tapered bolt is common for factory dual- and single-row bearings? If so, obviously bearing design itself accounts for the failure more I guess.
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