We earn commissions from purchases you make using links in our articles. Learn more. Most of the time, it’s unnecessary to give your vehicle’s differential cover a second thought; the technology has ...

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 ...

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 ...

The mad scientists from Garage 54 have moved to making clear covers for more parts of a car. Watch how oil flows in a rear differential through a clear plastic cover. This serves as a reminder that ...

As far as car fluids go, differential oil is one of the most neglected pieces of maintenance. It could be because the effects of not changing differential fluid on time aren't as immediately obvious ...

Let's be honest, the average person has never thought about whether differentials even have fluid. They're not like engines, which require oil changes after about 5,000 to 10,000 miles (or 12,500 if ...