Whether you're driving on a freshly paved highway or heading off-road, it's crucial that your vehicle's wheel hub assembly be in good working order. Also known as a wheel hub bearing or hub bearing assembly, it helps dampen the effects of wheel wobbles or vibrations, delivering a smoother, safer driving experience.

A wheel hub assembly is composed of bearings, seals, and sensors. There's one located at each wheel, between the drive axle and either the brake drum or brake rotor -- depending upon which type of brake system your vehicle employs. It keeps the wheel attached to the vehicle and freely turning as needed. If your vehicle features anti-lock brakes (ABS), traction control, or both, the wheel hub assembly is also crucial to their successful operation.

How Do You Spot Wheel Hub Assembly Problems?

Rough road conditions and usage can eventually cause your wheel hubs to fail, though. Signs that they're going bad include:

Shaky steering wheel

You hear knocking or clunking sounds from underneath your vehicle

Your ABS dash warning light comes on

Your tires make growling, chirping, squealing, or humming noises

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