Your rear differential is one of the most unappreciated parts in your car or truck. It does what might be the hardest job of all of those components, multiplying torque from your transmission and ...

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...

Quadruple-digit-horsepower 2003-2004 Terminator Cobras are so commonplace these days that it’s easy to forget the cars were designed for nearly one-third that figure. Add sticky tires, hard launches, ...

While it’s likely seldom done, some vehicles’ maintenance schedules do include an interval for changing the differential fluid, though perhaps only under “severe service” conditions such as frequent ...

First, how are semi-float and full-float axles different? In a semi-floating axle, there is an axle shaft on each side that is splined on the inner end where it mates to the differential. Each end ...