I have had trouble the last day with shifting my clutch feels like it is not disengaging at all, before I could turn off jeep and put it into gear and turn on and then it would start rolling with clutch pedal to the floor. Now after backing out of driveway it will not come out of reverse at all I had to drive backwards down street to back it in to driveway.

 

With the engine off, and the parking brake off, have someone push/rock it front to back while you apply a little pressure to the shifter lever to move it into neutral.

Just be ready to hit the brakes, so it doesn't roll into something.

 

Check your linkage,check fluid level then start checking the clutch.

 

I had that issue on my 89. My slave cylinder was leaking internally, and I didn't want to drop my trans to change it. I just kept adding fluid, and installed a speed bleeder on the slave cylinder. I'd bleed out the clutch system then try. That's why I ended up getting rid of that truck. I was backing up a driveway with it, and when I went to put the clutch in to take it out of reverse, the pedal had no pressure. I panicked, and ended up trying to force it out of reverse. That broke my shift forks and the trans never left reverse again. I hope this isn't the case with yours!

 

I am draining tranny and changing fluids then bleeding clutch and hopefully it will rock out of reverse and I can drive it. I was thinking that maybe I had gotten water in there from where I was wheelin.