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Automotive glossary

Open Differential

An open differential lets the wheels turn at different speeds and sends equal torque to both.

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What is Open Differential?

It is the most common type. It is simple and smooth in turns. Traction control helps it on slippery roads. When one wheel is on ice or in the air, an open differential sends little drive to the other wheel. Electronic systems can brake the spinning wheel to send torque to the wheel with grip.

How it works

Spider gears let the wheels turn at different speeds.

Why it matters for your car

A spinning wheel can stop progress. Use the correct oil.

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