I just rebuilt my diff with all balls diff rebuild kit I pulled the cage out and all the rollers, cage was great no cracks and nothing broken, pressed off bearing messed up the surface of one of the plastic rings but filed it all down and smoothed it with scotch pad, I never pulled any of the clutches out just the 2 center bearing holders, 4×4 is stuck on in forword high and low, no matter where switch is. now in reverse its not working at all switch on or off and button in or not pushed. new demand drive fluid, did I mess something up?"