Been MIA lately. I have not heard of this with anyone else (coolant leak).
The crank pulley bolt is really the big thing.
Sure, you can list the weak clutch is the RCs
And the weak (cast) internals
But the bolt is the only one which will work loose without you knowing and cause big issues that can be so easily avoided. As I have told others, just check it at oil change time, part of maintenance.
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