Be sure to hold the pinion flange some way to keep it from turning and giving you a false reading on the ring gear movement. Apparent slack can add up from several places- - - -axle and spider gears, splines, and cross pin clearance, even if the ring/pinion backlash is correct, or only slightly excessive.
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!