was going up a steep hill today that my friend went up with his rincon and I got hung up the 4 wheel drive would not always seem to work only the right front tire would spin and sometimes neither front tires would and the diff lock would not work at all had it pulled back and it did nothing going to adjust my diff lock and change my front diff fluid.got any advice on what oil to use or if you guys have any suggestions on what else can be the problem.It was awfull that my buddy could go were I could not[img]i/expressions/face-icon-small-disgusted.gif[/img]