Inspection

Gear, Washer, Shaft and Case
- Check mating surfaces of differential case, viscous coupling, side gears and pinion mate gears.
- Check washers for wear.






Bearing
- Make sure bearings roll freely and are free from noise, cracks, pitting or wear.
- When replacing tapered roller bearing, replace outer and inner race as a set.






Viscous Coupling
- Check case for cracks.
- Check silicone oil for leakage.