What is the problem of uneven tire wear? Does tire wheel wear affect driving?

What is the problem of uneven tire wear? Does tire wheel wear affect driving?

It is normal for tires to wear out because of friction with the ground and the sand and dust that are brought up when driving. So what is the problem of uneven tire wear? Does the wear of the inner wheel hub of the tire have any effect?

What are the common problems with uneven tire wear?

Automobile tire wear can be divided into normal wear and abnormal wear.

Normal wear refers to the wear caused by rolling friction and sliding friction between the tire and the ground when the tire pressure is normal. Abnormal wear refers to the wear of the tire when the tire pressure is insufficient or too high.

When the tire pressure is insufficient, the tread on both sides of the tire will be excessively worn, shortening the service life of the tire; when the tire pressure is too high, it will cause excessive wear in the center of the tire tread, which will also shorten the service life of the tire.

Usually, the front wheels of a car are responsible for steering, so they wear out faster than the rear wheels. Therefore, in order to increase the utilization rate of tires, the service life of tires can be extended by rotating the four wheels when the car mileage is about 30,000 kilometers.

At the same time, when the front wheels of the car are subjected to a large external impact force, the toe and camber angles of the left and right front wheels may change, resulting in a large difference, which in turn causes the car to "run off the track". At this time, the front wheels will experience eccentric wear (commonly known as "tire eating"). That is, the tire has unilateral wear, which will also cause abnormal wear of the tire.

If the eccentric wear is serious, the grip of the tire will be greatly affected, and there will be accidents such as unstable braking and tail swinging in turns, which will seriously affect safe driving. Therefore, in addition to replacing the tires, it is also necessary to re-do the four-wheel alignment for debugging.

Does tire wheel wear affect driving?

It depends on the situation.

1. The wheel hub just scratched the surface paint, the wheel hub is not deformed, and the tire only has slight scratches. In this case, the car can still be driven. You can find a suitable time to go to the auto repair shop to polish and paint the wheel hub and repair it. You can ask the mechanic to choose the appropriate sandpaper to polish the tire.

2. If the wheel hub has scratched the paint, the wheel hub is deformed, or the tire has slight scratches, do not drive the car. Ask a tow truck to tow it to a repair shop. The wheel hub needs to be replaced with a new one, and ask the mechanic to choose appropriate sandpaper to polish the tire.

3. The wheel hub scratches are very deep, the wheel hub is not deformed, and the tire has slight scratches. In this case, please drive the car to the auto repair shop immediately at a low speed. The wheel hub needs to be replaced with a new one, and ask the auto repair technician to polish the tire with appropriate sandpaper.

4. If the wheel scratches are very deep, the wheel is deformed, and the tire has slight scratches, do not move the car. Instead, call a tow truck to tow your car to the auto repair shop, replace the wheel, and ask the auto repair technician to grind the tire with suitable sandpaper.

5. If the wheel hub is fine but the tire is severely worn, you need to change the spare tire and then drive the car to the auto repair shop to change a "pair" of new tires, because you need to change a pair of tires at a time to ensure the accurate four-wheel alignment of the car.

What is the problem with a new car's tires wearing out within one year?

1. Abnormal tire pressure. Normal tire pressure should be close to the vehicle logo. Generally, the tire pressure logo is near the door of the cab. Too high tire pressure will cause wear in the middle of the tire, and too low tire pressure will cause wear on the shoulders on both sides of the tire.

2. The camber angle of the tire is incorrect. Different cars have different camber angles. Generally, unloaded tires are not perpendicular to the ground, but have a certain angle. If the outer side of the tire is too large, the camber angle of the tire is too small and the outer side is worn. If the camber angle is too large, the inner side is worn. This is the so-called tire eating.

3. Abnormal rear toe parameters cause the rear tire to be off-axis with the front tire, which can also cause tire wear.

If the tires are severely worn, it also has a lot to do with driving habits, such as fast starting and forbidden braking, which will accelerate the wear of the tires. For example, if you play drifting, the rear wheels will be worn out within an hour.

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