Re-using ceramic/carbide diff balls ?

[Dandare]

When re-building a diff is it advisable to replace these as well as the rings or are they hard/tough enough to re-use ? Thanks.

[mattybucks]

When re-building a diff is it advisable to replace these as well as the rings or are they hard/tough enough to re-use ? Thanks.

You can sand the plates with really fine wet & dry to remove the groove. The diff balls should be fine to re-use. If you rebuild the diff and it's still a bit gritty you may have a flat spot on one or two of the balls, if so replace.