If the spider and side gears have a hardened steel washer that runs between the gear and the carrier, no problem at all. If not, running with light loads should still be OK as long as the erosion doesn't make for too much backlash when going from pull to coast mode.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!