Yep. Had the same thing happen to me.
I went through several attempts to find good pulleys. Most of the ones I
found when sanded and cleaned up had cracks in them. Based on this - I
have to believe it's a fairly common occurance.
Others had wollwed out holes.
In my opinion, I think over tight belts over time are the culprit for
this. Still think it's a bit strange to have a pressed sheet metal pulley
on the crank...
Might be time to consider a narrow belt conversion. I could not find a
source for new inner pulley when mine failed 2 years ago.
Chris
> So when I got home I opened up the bonnet to let the engine cool thinking I
> just had a loose belt when I noticed a small piece of metal on the frame.
> It
> was a 2" piece of the inner part of the pulley where the timing mark is
> located or was.
>
> The bottom part of the piece is not a fresh break so it looks like a crack
> developed over time and finally went today.
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