Good thread ClimberD! This could give us the opportunity to collectively pool all of the tech/repair info that's out there on the JATCO RE5R05A trans.
I've found a few links that provide a little more tech info (parts, function, etc):
Trans Spring Compressor tool (seems to be something like this...):
Titan forums (several pdf's with some useful part info & a few recommendations from a trans shop for what to look/watchout for, adjust, etc:
Replacement solenoids, Repair manual (claims full teardown/rebuild instructions):