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Wheel hub bearing is used in cars, trucks, agricultural engineering, scooters and motorcycles. Safety of traffic depends on the status of this important vehicle part. Wheel hub bearing functions with shocks, roller skew in the case where the gaps are very large. This operation can lead to deterioration of vehicle control and stability. On the other hand, the problem can be caused by a strong tightening of the adjusting nut, which leads to a small gap of the bearing. In a short time it becomes defective. Regulation of gaps is a very serious process and should be done very careful, according to the instructions on the operating manual of the carmaker.

When you decide to check whether the gaps are adjusted in the wheel bearings, wave the suspended wheel. Furthermore, if the wheel hub gets very hot while driving at speed of up to 80 km/h for half an hour, the adjustment is wrong. If the hub is a little bit warm, then everything is fine. Hub heating depends on a very small gap in the bearing. When using this method of testing, drivers need to stop the vehicle using the parking brake and not the service brake to prevent further overheating of the brake mechanism.

To understand whether the wheel bearing is faulty, you need to understand whether there is noise on tight turns and wheel rotation is difficult when the brake is released. So, if the bearing is faulty it should be replaced in the garage, but not by yourself as this part is located close to the knuckle and should be installed with a special press. To save on buying original spare parts like headlights, toothed wheel or spoiler visit our online shop.

What is necessary to know about wheel hub bearing replacement: lifetime limits, common defects and their signs, tips and recommendations

Lifetime limit of the wheel hub bearing is 100,000 – 150,000 kilometers of mileage. Operational lifetime of the part depends on peculiarities of car operation, for example, driving style. Apart from wear-out, replacement of the wheel bearing may be necessary at mechanical damage of the ABS sensor tone ring.

In most cases, specific crunch during car driving indicates wear of the bearing. Also defect of the part may be suspected at appearance of steering wheel vibration. Necessity of holding the steering wheel in order to maintain straightforward movement also indicates it. Otherwise, the steering wheel uncontrollably turns to one side.

If the sensor tone ring is damaged, ABS fault indicator will be lit on the instrument panel. The system will switch into emergency mode, when the car brakes will be still operating, but without ABS.

It is recommended to perform diagnostics of the components at a service station. This is because special equipment is necessary for diagnostics. Particularly, in order to inspect the front or rear wheel hub bearing, you will need a lifting platform. Specialists have various checking methods, for example, using one hand they take the lower wheel part and the upper one with the other hand, and sway it vertically. They check every wheel in that way for presence of bearing free play, which indicates component trouble.