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"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 ...

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 ...

Since it entered my family in the 1980s, the weakest link of my 1969 Dodge Charger has been its 8-1/4-inch differential. That rear end was meant to be used behind small V8s like the 318 this car was ...

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 ...

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.

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 ...

A limited-slip differential (LSD) is a crucial component for maximizing traction during cornering and acceleration. For the unfamiliar, a limited-slip differential is positioned between the axle ...

The standard open differential in most cars is a brilliant piece of engineering, allowing you to take the tightest turns without fighting your tires or tearing your drivetrain apart. But even if you ...

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 ...