As posted multiple times above, pop the cover. The answers are on the other side. And you will be able to put fresh fluid in it. Just don't use that synthetic crap.
If its open, put a powertrax lock-right in it. Problem solved,
I wholeheartedly concur with this. Those are some TOUGH units and now you have a locker. Great suggestion. BUT, he will probably have to get an open carrier to do it.
