Originally Posted by
shagnat
What are the symptoms of a ball diff needing a rebuild?
Had an issue last time out when my buggy wouldn't run. The motor had power, but, it was acting like the tranny had a neutral position with a slight grinding sound. After about 15 seconds, the buggy was off and running again without issues for the rest of the battery ~10 more minutes. Haven't tried anything since.
I usually do a rebuild when it starts to feel notchy, not as smooth as when I rebuild new. usually flip the both sets of rings if haven't been done already, new balls all around or at least the bigger diff balls if I am running the smaller ceramic ones.