Even the best quality rubber wears out sooner or later, so it definitely has to be replaced. This can happen because of its age or might be an alarming symptom of other problems that affect the car. On average, rubber lasts 5-7 years, depending on the quality and manufacturer.
To assess tire wear, you need to assess the condition of the tread. If the depth is greater than it is recommended by the manufacturer, it is time to change the tires. For ordinary cars, it is 1.6 or 4 mm for summer and winter, respectively. For trucks, it is 1 mm, and for motorcycles, it is only 0.8 mm. The depth of the tread determines the handling of the car on wet roads because these channels drain water from the wheels.
Plenty of modern makes are equipped with a wear-out indicator. These are special inserts, thanks to which you can immediately visually assess the condition of the tires. As soon as the height of the tread is equal to the indicator, then it is high time to change the tire.
What does the tire wear-out indicate?
While trying to determine the degree and reason for tire wear out, there are a few more peculiarities to pay attention to.
- If the central part of the tire tread is worn out, this is a certain sign that the car has problems with traction. The load on the wheel was distributed unevenly. Usually, the reason for it is the fact that the wheel was poorly inflated and the pressure was too high in relation to what your car needed.
- If the tread, on the other hand, is more worn out on the edges, then the tires do not have enough pressure. This is a much more dangerous problem, because in this case, under load, the tire is more compressed and deformed. Moreover, in the long run, can even damage the suspension.
- When one side of the tires is more worn, it is mainly due to an incorrect power steering. It may be invisible visually, but the wheel touches the road unevenly. This is fine only for rare models of sports cars, but not for city cars. Less often, this may indicate damage to individual components of the suspension.
- Dents in the rubber tires are another sign of wear out. They happen due to the malfunction of the suspension, which provides cushioning on potholes and slides. When the load on the treads is unevenly distributed, dents appear.
- If the dent is one, large and diagonal on the rear wheel, it is also a symptom of incorrect power steering. Sometimes similar wear of tires is shown at regular transportation of heavy freights or because of an insufficient interval of rotation.
- If the tires are worn out unevenly and seem to be stained, it’s probably a matter of sudden braking, drifts, and reversals. Identical stains on all wheels can appear at the same time if the car has been parked for too long.
- The front edge of the tread wears more in the vast majority of car drivers. But this is also not entirely normal because the reason is insufficient wheel rotation. Suspension elements, hub bearing, or ball bearings can be worn.
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