As far as off-road performance goes, there's nothing you can do to your Jeep that will make as big a difference as adding a rear locker. And once you add a front locker, you'll be amazed at the ...

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 many car enthusiasts know how a differential works, very few actually know what it looks like inside your differential cover as you're driving down the road. Gale Banks, founder of diesel ...

Engineers at Harvard University have created a millionth-scale automobile differential to govern the flight of minuscule aerial robots that could someday be used to probe environmental hazards, forest ...

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 ...

Front differential failures are extremely rare, but when they do start to fail, you may hear grinding, feel vibrations and have trouble steering. If you notice any of these symptoms, it’s best to have ...