Check out this thread, But if time is an issue and you're not ready to learn yet, I would send it to Brewers. They have a really nice packing crate(preformed foam & box that holds the Trans perfectly) to ship it back to you, maybe they could send you an empty crate/box so you can ship it to them the same way.

https://board.moparts.org/ubbthreads/ubbthreads.php/topics/2455719/1.html


also these are in the above but here's easier access.

pliers
https://www.ebay.com/itm/141762732578

info
http://www.forabodiesonly.com/mopar/ams/how-to-a-833-4-speed-rebuild-pics.85/
info
http://www.hotrod.com/articles/mopp-0403-rebuilding-the-a-833-four-speed-tranny/