MC engine crank needle bearing

[Richard J Lebens]

> I've tried a serious professional 'blind bearing puller'.  I can
> get it fitted perfectly and use a slide hammer.  No movement
> whatsoever ...

My RX-7 also has a roller bearing for the pilot bearing.  After
spending an evening under it in the dark and the rain destroying the
bearing with slide hammers I went to the auto parts store and they
loaned me a puller. It was an internal bearing puller that had U shaped
legs that rested against the flywheel.  Turning a screw threaded in the
top of the U provided pulling force to the collet.  I think the
constant pressure backed it out as opposed to impact force.  It was
made by owatonna tools but I think snap on has a similar tool.

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