Why Does My Car Need a Differential?

The differential is the part that synchronizes the two rear axles to work effectively at different speeds in a rear-wheel-drive (RWD) vehicle. You would have little control when you made turns because, without the differential, your car would skid and slide.

For instance, when you make a right turn, the wheels on the right are the inside wheels. Those on the opposite side are referred to as the outside wheels. The inside wheels are closest to the turn, so their travel distance is shorter, and their speed is slower. The outside wheels, on the other hand, need to make a wide arc, and they must travel at a faster rate to keep up with the inside. The differential allows those differences to work together.

Stop in to our service center at Colonial Dodge Chrysler Jeep in Hudson, MA. One of our knowledgeable technicians will be happy to answer your questions.

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