How to tell the difference between bad wheel bearing noise

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How to tell the difference between bad wheel bearing noise

1. Humming sounds

There are many sounds that vehicles make that are of concern, so it's important to distinguish them to avoid misdiagnosis. Noises can be misleading: a buzzing noise while driving can be caused by a number of different problems, starting with your tires, but it could also be wheel bearings or CV joints.

2. Squealing and growling

The typical sound of a bad wheel bearing is a periodic chirp, squeal and/or growl. If the sound varies in proportion to the speed of the car, you can also tell that the sound is related to the wheel bearing. The sound will get worse with each revolution, or it may go away temporarily.

3. Rear differential noise and wheel bearing noise

A whine that occurs only during deceleration is a good indicator of a loose pinion bearing preload. If the whine occurs under acceleration at different speeds, the gears may be worn. However, excessively worn bearings can also produce whine when they do not properly support the gears. They also tend to rumble during cornering.

Bad wheel bearings are a serious problem

In short: a problem with wheel bearings can affect the smoothness of your ride and the life of your tires, but more importantly, it can lead to real safety issues. That's why it's important to check your wheel bearings at the first sign of a problem.

Don't take this often overlooked component of your car for granted. Pay attention to these warning signs. At the first sign of a problem, pull the vehicle in and have a professional check the wheel bearings.

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