go to traxxas.s web site and download the manual with the blown up pictures of how its put together.
www.traxxas.com
ORIGINAL: jaminjim
i have taken the motors off but i cant figure out how to get any deeper into the problem. i can see that the gear that goes against the pinion gear is totaly off its shaft though it is not stripped. i cant seem how to open the front of the black box to get to the gear to see how it came off.