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What's that noise?

Pick the sound your car makes and when it happens. You'll get the most likely causes, a quick check you can do yourself, and how urgent it is.

01What does it sound like?

02When do you hear it?

Still not sure? Ask Mike.Our free AI mechanic asks follow-up questions about your exact car and helps you narrow it down.

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Real case

A driver felt a vibration at 65 mph through the driver's door. Two shop visits rebalanced the tires. The third found the cause: poor sealant on the front door assembly. If balancing doesn't fix a vibration, look beyond the wheels.

Common car noises and what they mean

Grinding when braking

Usually brake pads worn down to the metal, a small rock caught near the rotor, or a bent dust shield. Have it checked right away.

Squealing when braking

Often the pad wear indicator telling you the pads are getting thin. It can also come from glazed pads or missing shims after a brake job.

Squealing when starting or speeding up

Most often a worn or loose serpentine belt, or a weak belt tensioner.

Clunking over bumps

Worn sway bar links are the most common cause. Struts, strut mounts, and ball joints are next.

Clicking when turning

Fast clicking in sharp turns is the classic sign of a worn outer CV joint.

Humming that gets louder with speed

Usually a wheel bearing, especially if the sound changes when you turn. Cupped tires can sound similar.

Shaking at highway speed

Most often tire balance or a bent wheel. If balancing doesn't help, check other sources like door seals or exhaust hangers.

This is a guide, not a diagnosis. If the brake pedal feels soft, sinks to the floor, or the car pulls hard when braking, stop driving and have it towed or inspected.