Q:

What is a hub on a car?

A:

Quick Answer

A wheel hub supports the lugs of the car and houses the wheel bearing. It keeps the wheel spinning freely while keeping it attached to the vehicle.

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Full Answer

Wheel hub bearings can become worn out and should be checked on a regular basis. Noise is an indicator of damage. Snapping, clicking or popping when making sharp turns can be a sign of a worn or damaged outer CV-joint. Grinding while in motion means roller or raceway damage. To check a wheel hub, perform a hand rotation check on the wheel. Remove the wheel cover and lug nuts. Also remove the caliper mounting bracket and brake rotor. A wobbly hub unit can signify bearing damage.

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