when i stop at a stop sign/light my car knocks like maybe the motor jumps a little bit...i also can push the break down when i am completely stopped??? Any Answers???
that could be a question for somebody who honestly knows jeeps. Is it a diesel? Diesels knock like its they're job. I would start by running a tank of premium through it (only if it takes gasoline, not diesel) to bring the piston timing back to normal. try it and see what happens
