I deleted my post since I was obviously wrong!1121 162 5205
I just experimented with driving one out from the backside. It took way more banging than I'd want to do on a good case.
So on the air leak... it's not the case screw, it's whatever is in that recess just above the case screw. (This is on flywheel side.)
Take a pic of the existing seal depth for later, it's about flush with the bearing... right?
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