That sis BS I had a huge post Explaining al the Crap I had dealt with changeing the filter etc opn teh 46 RE , Sorry if i have typod not going to take a change to get logged out and loose entire post again
Amnyway runs grat found a circlip from some place must be from the front or rear band piston as i doubt it culd get to pan from the other loctions. now it works perfectl shifts properly and is smooth . sadly I wanted to do a better job but now I do not have the time thanks to the site logging me off and erasing my post

The red lines show the 2 other circlips adn the one on bottom is what I think I found in pan

 

Not the forums fault.

 

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You can also CTL+ A (select all), then CTL +C (copy) as you type. If you lose it, CTL + V to paste.

 

Sometimes, hitting Back in your browser will bring the text back as well.