Front and rear differentials may look like they are sealed and would last forever. Not so. Gear lube tends to naturally break down over time and it also absorbs moisture on its own accord in all ...

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 ...

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...

See how I repair the completely destroyed rear differential on my Jeep TJ Big Bird build! Step-by-step tips, tough off-road lessons, and all the action for Jeep enthusiasts and off-road fans. #JeepTJ ...