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Causes Of Wheel Bearing Noise

After you use a bearing, it starts to cool off and then a vacuum is generated from the lubricant, air, and contacting metal. The seals should hold the vacuum in place.

What causes noise from the wheel bearings?

Wheel bearings are attached to the wheel and are constantly moving. Since the wheels are touching the road while driving, there could be a variety of reasons why the wheel bearing is making these strange noises or enduring damage. The main reasons are below.

1. Poorly Installed

If your wheel bearings got replaced not too long ago, then it would be very strange if they were failing any time after that. The only conclusion is that the wheel bearings endured damage because they were installed improperly or against the manufacturer’s recommendation.

2. Driving On The Street Floods

The manufacturer of a car lubricates the wheel bearings. If they used a lubricant that is based from petroleum, it will cause pressure on the wheel bearings if they become disturbed. Wheel bearing seals are designed by engineers in a way so the pressure can leave the wheel bearings. The only bad thing is that these seals cannot stop water from getting through. This means if you were to drive your car on a street that is flooded with water, then your bearings would be subjected to moisture. Once that happens, it mixes with the lubricant and makes it ineffective, causing the bearings to endure damage. You would not be able to service or repair a modern style wheel bearing either. The only solution from water damage is to replace the wheel bearing completely.

3. Driving On The Rough Roads

The wheel bearing will receive all the pressure of the tire and wheel. If you were to drive over a bumpy curb or pothole, the wheel bearing could be subjected to damage very easily. When you hit something, the bearing’s balls will likely get forced into the race. The result will be small imperfections in the bearings. As you continue to drive the car with these imperfect bearings, it will cause more wear and heat to form. Soon the wear will cause debris to form and this will pollute the lubricant of the wheel bearing and make it fail a lot faster. However, it is possible the failure could take a few months before it is noticeable.

4. Unbalanced Tires and Bad Shock

The wheel system depends on its wheel bearing, tire, lower arm, lower joint, knuckle arm, and shock. When there are unbalanced tires on a car that you’re driving, some of those other parts could be damaged and then it will make noise come from the wheel bearing.

5. Accident On The Wheel Area

Wheel bearings are constantly in motion and they are connected to all the other parts mentioned in the last section. So, if the wheel area were to be subjected to an accident, then the wheel bearing would be 100% damaged and then cause noise to form.

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