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

How do differentials work? How does an open differential work? What is a locked differential? This video will explain the ...

"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 ...