Quote Originally Posted by STiPWRD View Post
That rear trans nut comes out easily with an impact gun, the axle shafts don't even need to be held in place. You just have to unpry those dimples with a pick or small screw driver. Subaru recommends replacing that nut (P/N 802622020).

Also, there's a fix if your throw out bearing surfaces get too worn down:
https://www.ebay.com/itm/PDM-Tranqui...frcectupt=true
I had to get one of these and it works great.
This nut was too big for my 2007 transmission (ask me how I know ). The part number I needed was 802618010 - available on eBay.