Excessive pinion to ring gear backlash

Adjust the pinion to ring gear backlash.

Worn pinion and ring gear

Replace the pinion and the ring gear.

Worn pinion bearings

Replace the pinion bearings.

Loose pinion bearings

Adjust the pinion bearings. Refer to Differential Case Assembly.

Excessive pinion end play

Adjust the pinion end play.

Worn differential bearings

Replace the differential bearings.

Loose differential bearings

Adjust the differential bearing.

Excessive ring gear runout

Replace the ring gear.

Low oil level

Fill the fluid to specifications.

Wrong or poor grade oil

Flush the system and refill the system.

Bent axle housing

Replace the axle housing. Refer to Rear Axle Housing Replacement .

Worn pinion and ring gear.

Adust or replace the pinion and ring gear.

The pinion and ring gear are too tight (Noise is audible when slowing down and disappears when driving.)

Adjust the pinion and ring gear.

Warped ring gear.

Replace the ring gear.

Loose differential case bolts.

Tighten the differential case bolts to specifications. Refer to Fastener Tightening Specifications .

Flat spot on the pinion or ring gear teeth

Replace the pinion and ring gear.

Flat spot on the bearing

Replace the bearing.

Worn pinion splines

Replace the pinion.

Worn axle shaft dowel holes

Replace the axle shaft. Refer to Axle Shaft Replacement .

Worn hub studs

Replace the wheel studs.

Bent axle shaft

Replace the axle shaft. Refer to Axle Shaft Replacement .

Worn differential side gears and pinions

Replace the differential side gears and pinions.

Worn differential spider

Replace the spine gears.

Worn axle shaft splines

Replace the axle shaft. Refer to Axle Shaft Replacement .