I got a 93 4x4 with a 3.0 5 speed. i've been having a synchro problem. It grinds a little going into 3rd and 4th. Anyway i down shifted into 3rd, and now it won't come out. Any trick to getting it out? And has anyone rebuilt a r-1 trans. Any special tools needed? Or is it worth rebuilding? I'm almost leaning towards a reman. So i can take it out and put another right in.