"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Changing the car differential oil—it's one of the most-overlooked maintenance tasks on non-FWD light ...

Virtually every road car is equipped with some sort of a differential and it’s vital to the way a car performs – without one negotiating a corner would be difficult. The differential’s main purpose is ...

Differentials are what allow the wheels on a vehicle to actually move around effectively. Open differentials are common, but ...

When a car turns a corner, one wheel is on the "inside" of a turning arc, and the other wheel is on the "outside." Consequently, the outside wheel has to turn faster than the inside one in order to ...

Differentials are pretty easy to understand once you know how they work. Torque is distributed from a driveshaft and split to the driven wheels, transferring energy to the road. But when it comes to ...