MOTOR TRUCK SERVICE MANUAL
Fig. 18-Wear--Inner Bearing Bore.
Differential carriers worn oversize at the inner pinion
bearing bore as shown in Fig. 18 are occasionally
Carriers damaged in this way must be replaced. If not,
encountered. Ordinarily this condition is found along with
they will allow misalignment of the bevel gears resulting
other damage to the axle such as bearing failure,
mutilated bevel gears and pitted planetary gears. It is a
an extent that they will require replacement. Satisfactory
result of overloading often increased by end play in the
life for a repair job cannot be anticipated if a worn carrier
outer bearings. Inner bearing failure will frequently
mutilate this bore causing it to be over size.