Rear Differential: Inspection: Notes

Wash all the disassembled parts clean, and examine them for wear, damage and other defects. Repair or replace the defective parts as necessary.

1. Hypoid driven gear and drive pinion
   • If there is evidently an abnormal tooth contact, find out the cause and adjust until the teeth contact correctly. Replace the gear if there is an excessive worn or an incapable adjustment.
   • If crack, cutout or seizure is found, replace the parts as a set. Slight damage of some teeth can be corrected by oil stone or the like.
2. Side gear and pinion mate gear
   • Replace if cracks, scoring or other defects are evident on the tooth surface.
   • Replace if thrust washer contact surface is worn or seized. Slight damages of the surface can be corrected by oil stones or equivalent.
3. Bearing

   Replace if seizure, peeling, wear, rust, dragging during rotation, abnormal noise or other defect is evident.

4. Thrust washer of the side gear and pinion mate gear:

   Replace if seized, flawed, abnormally worn or having other defects.

5. Oil seal

   Replace if deformed or damaged, and at every disassembling.

6. Differential carrier

   Replace if the bearing bores are worn or damaged.

7. Differential case

   Replace if its sliding surfaces are abnormally worn, burned, or cracked.

8. Companion flange

   Replace if the oil seal lip contact surface shows cracking.