After removing the axle shafts, differential and pinion retaining nut, drive out the pinion by using a babbitt hammer or brass drift, then pull it free through the rear of
Press the rear bearing cone from the shaft.
When replacing the cone, use a sleeve or piece of pipe the same diameter as the cone to avoid damaging the cage and the rollers.
Drive out the front bearing cup. You will have to drive out the rear bearing cup as well if the pinion setting is to be changed.
To change the pinion setting, measure the shims behind the rear bearing cup with a micrometer, then add or subtract the shims to get the correct pinion setting. Following this process, replace the rear bearing cup.
During a pinion adjustment, use the same thickness of shims at the rear bearing cup.