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Automotive glossary

Anti-roll Bar

The anti-roll bar, or sway bar, is a torsion bar that links the left and right suspension to reduce body lean in corners.

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What is Anti-roll Bar?

It runs across the car and is fixed to the body with rubber bushings. Short drop links connect its ends to the suspension. A stiffer bar reduces roll but makes the ride over one-sided bumps harsher.

How it works

When the body leans, one side of the suspension compresses and the other extends. This twists the bar, which resists and keeps the car flatter.

Why it matters for your car

Worn drop links are a very common cause of a rattle or knock over small bumps. They are cheap and quick to replace.

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