The Common Problem about Wheel Bearing

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Published: 18th June 2015
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Friction is the bane of every moving mechanical component of a car. Various mechanisms are devised to counter friction including lubrication and use of friction reducing components like wheel bearings.

A bearing is placed at the spindle of a car wheel hub, to reduce the metal-to-metal surface contact friction and let the wheel rotate freely. It is an important component of the car suspension. Even though the bearings are lubricated, they eventually wear out over time. The wearing out may be accelerated by dirt and other contaminants entering into its assembly.

Though wheel bearings have seals, water still gets into the assembly and may cause rust, as well as contaminate the lubricating oil causing problems. The wheels also handle the weight of the vehicle along with tire friction. Although, bearings are normally built to last for more than 150,000 miles, friction does take its toll eventually and wears them out. Problems with bearings mostly occur due to wear and tear or seal leakage.

Symptoms
Diagnosing any car problem requires an eye for minor details and an ear for abnormal noises. You do not need to be a car expert to notice symptoms of car problems. To diagnose the problems, you must know the symptoms that indicate bad bearings. Here is a list of the main symptoms.

Grinding Noise
Friction always produces noise and heat while slowly wearing down a moving part. The symptom of worn wheel bearings is a grinding or rumbling noise. that can be heard in the vicinity of a moving wheel. The volume and intensity of this noise is generally directly proportional to the speed of the vehicle and does not change much while decelerating.

During turns, the noise may get louder or even disappear. This is a signal that you need to pay attention to the condition of the bearings and get them replaced as soon as possible. If problems are ignored for long, they may fail suddenly and the wheel might get dislodged, causing a major accident! Though, can happen only in very extreme cases of wheel bearing wear, it is important that you pay attention to it as soon as possible.

Wheel Play
Another important symptom is wheel play or looseness of wheel. As the bearings wear out, they lose shape and let the wheel hub, as well as the spindle to go loose. This misalignment of the hub, ultimately causes the wheel to go loose. To check the play, just raise your vehicle on jacks and pull or push the tire. Excessive play indicates that the bearings have worn out to a large extent and need immediate replacement.

Wheel Rotation Resistance
Due to the wearing of the bearings, the normally smooth rolling of the wheel is hindered and the wheels show resistance to rotation at high acceleration or during turns. As a result of this, tires wear out faster.

Abnormally Worn Out Tires
The excessive play caused by bearing issues results in excessive tire wear at high speeds as the wheel alignment gets disturbed. As a result, ignoring these problems can cost you a lot more due to the worn out tires needing replacement. It is recommended that you go for a repack of bearings every two years.

As you can see, these issues need to be taken seriously or else they may aggravate into major problems in car suspension. Make wheel bearing check a part of your car maintenance schedule and see to it that they are replaced periodically, to prevent these problems from reoccurring.

Find out more about Center Bearings by visit miparts.com.

Olivia Tong is the freelance writer for e-commerce website tahiko.com and miparts.com offers the buyers around the world to find quality and discount auto parts. We try our best to aggregate leads in the business world, and let these leads benefit the entire business person.

Find out more about Center Bearings by visit miparts.com.

Olivia Tong is the freelance writer for e-commerce website tahiko.com and miparts.com offers the buyers around the world to find quality and discount auto parts. We try our best to aggregate leads in the business world, and let these leads benefit the entire business person.

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