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 ...

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 ...

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 ...

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 ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who is questioning services being recommended by a ...

Every time I get the oil changed on my 1998 Toyota Tacoma, the service man tries to sell me an oil change for the differentials. I decline because I don't want to pay the money and I'm not sure if the ...

Nothing will do more to make your car last longer than keeping on top of basic upkeep, CR’s experts say. While the best source for maintenance intervals is your car’s owner’s manual, these are the ...

If you're a car owner, you're probably aware of the fact that your vehicle needs routine maintenance to stay in tip-top shape. Performing these tasks is essential for your car's longevity, and the ...