The AW4 transmission on my 99 Cherokee finally went. I was driving home and gradually lost power, and it looked like I had a smoke machine strapped to the bottom of my Jeep. Anyways, my question is should I attempt a rebuild, swap it out with one from a junkyard, or just pay someone to do it? I have never done anything this extensive, but I feel like I can do it. Is a rebuild even possible for a transmission that is completely done?