Differential Inspection
Before assembly, carefully and thoroughly inspect all drive unit parts for wear or stress. Replacement of worn parts eliminates costly drive component repair after assembly.^ Inspect the pinion gear shaft for unusual wear.
^ Inspect the pinion gear and the side gear teeth for wear, cracks, scoring, and spalling.
^ Inspect the thrust washers for wear.
^ Inspect the fit of the side gears in the differential case.
^ Inspect the fit of the side gears on the axle shafts.
^ Inspect the differential case for cracks and scoring.
^ Inspect all parts for wear. Replace parts as necessary.