Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Changing the car differential ...

A differential is one of a car's most important moving parts. It's the thing that takes the torque from the car's driveshaft, and distributes it among the driven wheels. Since there's a lot of ...

"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 ...

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 ...

Larry Kosilla is here to show you how to replace your rear differential fluid on this Wrenched. Think your rear differential is due for some re-lubrication? Larry Kosilla is here to show you how to ...

There are many possible differentials to use in the rearend of your car. Before making your decision you should determine how you will use the car, how streetable you want it to be and how much you ...

Gearheads often talk of limited-slip and locking differentials, but how do the "standard" mechanical diffs compare with ...

A key part of getting a car's power to the ground effectively is the differential, which uses gearing to regulate the split of power between wheels on an axle. This video shows exactly how it works.

The limited slip differential (LSD) is one of the greatest automotive achievements since the invention of the automobile itself. Yes, it helps transfer power to the ground under hard launches or ...

In high school, I drove a 1946 CJ2 Willys Jeep. In 1992, I upgraded to a 1948 model and used it for construction hauling. I’d put the windshield down and use it to carry all sorts of materials, ...

Our friend Jason Fenske from Engineering Explained has already taught us how to change the oil in our cars. It's an easy process, and it's one that will allow you to get closer to your own machine ...