I did a lot of reading/studying and came to the conclusion that I'd be opening a can of worms if I pulled the crank pulley. Everything I read said if it is not leaking to leave it be. This particular model has a bad rep in regards to the threaded part of the crank where the fastener screws in.

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Jim

Miata Timing belt Tip: Don't add 'extra tension' on the idler tension bearing; the tension spring is just the right amount of pressure on the timing belt before tightening it.
Otherwise your idler bearing will make noise and wear out quickly.

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"Our Lady of Blessed Acceleration...
don't Fail Us Now"