A worn wheel bearing can cause a howling noise. If you’re also hearing a rumbling noise when turning, then it’s likely a bad wheel bearing.

If the noise is more “growly”, then the issue is likely a bad wheel bearing. The noise may become louder the faster you drive.

Hydraulic press will get the job done, but you must know how to operate one as the pressure of the tools can lead to serious injuries.

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To successfully mount and install a ball bearing you'll need to accept the fact that investing in education and time initially, will save you regular maintenance costs on the long haul.

Mount the arbor press to a working table and use the handle for leverage by applying pressure one step at the time. By doing this you'll lover the rack and unmount the bearing.

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Installation is important as faulty mounting can lead to a decreased service life. This leads to unexpected costs and stop in production.

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In extreme cases, a failed wheel bearing can cause abnormal tire wear. When that happens, the noise you’re hearing is caused by both a bad wheel bearing and a worn tire.

What do you do when a customer brings you a vehicle with a roaring or howling noise coming from a wheel? In most cases, it can be coming from a worn tire, or a worn bearing. It is not easy to tell, but there are ways to determine what is causing the problem.

The best way to figure out the cause of this noise is to check the tires first. If the tires look good, then check the wheel bearings.

It can be hard to figure out if the noise is caused by a wheel bearing or a tire. There’s something you can try, though. Turn the steering wheel slightly to the left or right. If the noise gets worse, then it’s likely one of the wheel bearings.

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If you’re still not sure whether the issue lies in the tires or one of the wheel bearings, check out the most common symptoms of each issue:

If you want to get the most out of your machinery, you must take into consideration the maximum service life of each component. With ball bearings being one of the most common parts used in most machines with moving parts, it's crucial to know what is the best way of mounting a radial ball or roller bearing.

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The noise may be the result of an under-inflated tire or improperly aligned tires. These issues cause part of the tires (or one tire) to be scrubbing on the pavement. That causes a squealing noise.

If you’re hearing this noise, the issue may be a bad wheel bearing. To confirm it, change the speed of the vehicle. If the noise becomes worse the faster you drive, then it’s almost certainly a bad wheel bearing. If the noise remains the same, then the issue may be the tires instead.

When using a hammer or even a torch to mount a ball bearing, you're risk causing a major machine failure that can lead to a serious safety hazard.

Fits that are too loose will cause the bearing to walk or creep, pulling metal, which inevitably ends up in the bearing.

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How to remove bearingfrom housing

An oversized shaft or undersized housing will reduce the required internal clearance in the bearing. This clearance is necessary to make for free rotation of the rolling elements, lubrication film and the metal expansion that will occur because of thermal changes.

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We put together this noise guide to save you some labor time. You can have your technicians find the noise that best describes what they’re hearing in the list below. From there, they may be able to figure out what the issue is.

If you’re replacing a bad wheel hub bearing, you want to make sure that your techs use high quality replacement parts. Using high quality replacement parts:

Before you start, you make sure the process has been properly delegated and explained among the team that will conduct the installation. It's crucial that everyone understands the reasons behind each step, so you can avoid the usage of shortcuts and make sure you're using the right set of tools.

BearingPuller

If the problem is a worn wheel bearing, then you’re hearing a knocking noise because the bearing isn’t rotating as freely as it should. A bad tire can cause a knocking or thumping noise, too. To be more specific:

If the wheel bearing and tires look good, you may want to check the drivetrain. Sometimes a humming or growling noise is a sign of an issue within the drivetrain.

If the issue is a worn wheel bearing, you’d typically hear this noise while cornering or making sharp turns with moderate speed. A bad CV joint can be heard at low speeds with the steering wheel all the way to one side or the other. It can’t hurt to check both the wheel bearings and CV joint(s).

An eight-point measuring method is recommended for both the shaft and housing. This involves four measurements at various locations to determine that the shaft and housing are not elliptical and the sides are parallel.

You may also trace this noise to a loose pinion-bearing preload. It’s likely the case when you only hear the noise when decelerating.