How a Differential Works (and the Type of Gear Lube to Use)

Think of all the devices we take for granted that improve our lives. The refrigerator. The microprocessor. The air conditioner. The spork.



How Often Should I Change Front or Rear Differential Fluid?

Chevrolet Towing Camper

It depends on your vehicle, driving conditions and differential fluid quality. That’s a pretty vague answer, but it’s true. If you drive your truck primarily on the highway in temperate conditions and rarely tow or haul, you likely don’t need to change front or rear differential fluid very often.