Rear / Front Differentials and Transfer Cases
![Rear / Front Differentials and Transfer Cases](https://cinco2auto.com/wp-content/uploads/2017/05/ca_differential-new.jpg)
Gearbox fluid provides lubrication for the sets of bearings, shafts and gears located in the different types of gearboxes which operate under high stress and high heat.
- Remove and inspect the fill plug
- Remove and inspect the drain plug
- Flush and vacuum the old gear oil out of the gearbox
- Reinstall the drain plug
- Fill the differential with up to 5 pints of new gear oil
- Reinstall the fill plug
- Helps protect against bearing and gear failure
- Prevents abnormal wear on gears due to poor lubrication
- Prevents gear overheating