Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Think your rear differential is due for some re-lubrication? Larry Kosilla is ...

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 ...

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 ...

Changing gear oil is one of those often-forgotten maintenance items on our rigs. Whether it's the smell of gear oil, the disposal of gear oil, or the mess that can sometimes come from popping a cover, ...

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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Changing the car differential oil—it's one of the most-overlooked maintenance tasks ...

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 ...