I saw a thread a few months back about this issue. so, I luckily bought a new bearing for an M20 I'm going to rebuild next week. the engine has ~250k on it and the crank and rod bearings are in excellent shape for their age, (minimal wear). However, when I pulled out the intermediate shaft, I was greeted with a fractured bearing. the inner bearing was perfect and within tolerances. but as you can see from the photo, this outer was shot.
please be advised to check this bearing if you are rebuilding your M20. It's only like $10 from blunt and as you can see, needs to be replaced.
Intermediate shaft bearing worn out by Eric Berger, on Flickr
please be advised to check this bearing if you are rebuilding your M20. It's only like $10 from blunt and as you can see, needs to be replaced.

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