Ford is recalling more than 238,000 Explorers in the U.S. because a rear axle bolt can fail, potentially causing a loss of drive power or allowing the SUVs to roll away while in park. The recall comes ...

Would you believe there are bulletproof rearends that bolt up to your stock suspension, ready to ship in as little as two business days? This is no fantasy: Aftermarket specialists have made it nearly ...

Pitching the stock differential out from under a GM car in favor of a 9-inch Ford has always been the best way to step up the drivetrain for drag racing. Since the price of used 12-bolts has ...

In garages, on trails, and around campfires, debate will always rage over what single modification is most effective in creating a capable 4x4. Is there one magic mod that can dramatically improve ...

If you ever need to track someone’s 4x4 off-road, it’s easy if the rear diff under said rig is a stock GM “Corporate” 14-bolt: just look for the drag mark plowed down the center of the trail or the ...

Kia America, Inc. (Kia) is recalling certain 2023 Niro EV and 2024 EV9 vehicles. The differential gear bolts in the gear drive unit may not be tightened properly, which can result in a loss of drive ...

Hyundai Motor America (Hyundai) is recalling certain 2024 IONIQ 6 vehicles. The differential gear bolts in the gear drive unit may not be tightened properly, which can result in a loss of drive power ...

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 ...

I’ve always remarked that rear-wheel drive BMWs love oversteer. There’s just something about the way the rear-end progressively and predictably steps out, and as long as you’re committed to powering ...

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 ...