It starts out as a small oily smudge on the outside of the brake's backing plate. You notice it, but ignore it. Next time you look, there's oil and absorbed dirt making a mess all around the wheel.

If you drive a 2022 or newer Nissan Frontier and notice fluid near the rear differential, this video explains how to identify and fix potential leaks. Common issues include weak differential covers ...

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 ...

GM has issued a customer satisfaction program to fix certain units of the 2015 through 2022 Chevy Colorado pickup trucks that include a mislabeled base front differential carrier. Affected units of ...