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 ...

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 ...

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 ...

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 ...

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 ...

In a rear-wheel, or four-wheel drive vehicle, the differential oil change is probably one of the most overlooked routine maintenance items there is. Luckily, changing this thick, rich-smelling oil is ...

For those looking to improve cooling for their pickup truck's rear axle and provide more strength, better performance and/or ease of use with a new differential cover, there are a variety of ...