I have less than 100 miles on my rubicon and when I get on the gas the transmission will jump out in D,L and R doesnt matter if it is in D1 D2 or ESP. Tranny problem or shifter problem?

 

Sounds like a sub-transmission problem. Maybe the linkage is not adjusted properly. I have 250 miles on min and no problems.

 

Check to see if the shifter release button is stuck. Mine got plugged up with mud and crap, and wouldn't let the shifter "lock" into place. When I got on the gas hard, once in a while it would jump out of gear with a LOUD pop.

 

So there should be a positive lock in D,L&R gear position? My shifter will only lock in N. I was wondering if that was normal or not, the service manual doesnt mention anything about it. Thanks RUBIDUDE

 

No, you're correct...the only gear selection that actually "locks" into place is Neutral. But, there should be a definite "parking space" for each gear selection. The shift handle is held in place in each of these "parking spaces" by the spring in the shaft of the shifter. The shaft is moved up and down by the release button which is also has a spring in it. In my situation, the button was sticking so that the shift handle was being held in the "open" position all the time. This allowed the shifter to float freely, and not engage any of the "parking spaces". It's really not as complicated as it sounds. This is how it was explained to me though.

Just pull the dust cover off of the release button, and check to see if the white plastic button underneath springs back when you push it in. If it does, then your problem probably lies elsewhere.

 

It is the linkage problem with the shifter it will cost $1 to fix, I had crahsed mine and it did it. So i took it into the shop and put a $1 part and it was ready to go.

 

I bought a service manual and checked the linkage rod adjust limits. I am surprised that this thing was even going into gear. Both rods a and b were off by between 1/4 and 1/2 inch the books limits were +- .02 in. I readjusted the rods checked the shift lever button (good) and went for a ride. It shifted better and so far I have been unable to reproduce the jumping out of gear. When you spend this much for a atv you would think that it would be assembled correctly. I hope that this is the only thing I find wrong. These are assemled in the U.S. right? Other than this the ruby has been a great ride. Thanks for all of youre help.