I would not worry about the back if it feels like its only got a small amount of radial play. If it is way out it would allow the shift rail to start...
The shift rail is loose in the back of the case, where the case supports the back end of the shift rod. The seal end clearance seems pretty decent. ...
Thanks, I enjoy documenting the process and always hope it helps others down the road. I'll be freshening up everything in the trans....hopefully it...