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In order to allow car owners to better distinguish whether it is time to replace them, car tires will be designed with deep treads, which will gradually become shallower with the increase of use time and friction, so that the braking force and grip of the tires will become smaller, and even puncture. The mechanic said that the replacement cycle of car tires is generally 100,000 kilometers, but this is also determined according to the actual use. Although there is an approximate replacement cycle, the rotation of the car's tires is also very important during this time.
The reason for the transposition is that if the car is uneven for a long time, it will cause the inconsistency of the wear of the tires on both sides, resulting in one thick and thin side, so it is necessary to transpose the tires on both sides to keep the tires more consistent in terms of wear to ensure their maximum service life. And the transposition of the tire is also particular, it needs to be adjusted according to the driving form of the model, if it is a front-wheel drive and rear-wheel drive vehicle, its tire transposition is diagonal replacement, that is, the left front wheel for the right rear wheel, and the left rear wheel for the right front wheel. If it's a four-wheel drive, then you only need to rotate the front and rear.
Finally, there are some special tires. If the vehicle is equipped with special tires such as snow tires and run-flat tires, then there is no need to replace them, because there is no need. Moreover, they have a fixed direction of rotation, which can affect the driving experience if you change positions.
Please also pay attention to the transposition and replacement of car tires, otherwise it may hurt the car and hurt the body.
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Hello! The tire life of most models on the market can be judged based on the following points:
Point 1: If the tire is aging (for example, there are countless small cracks in the tread groove or sidewall that are about to hurt the carcass), the tire needs to be replaced in time, regardless of how long the tire has been used and how much it has been worn.
The second point: if the depth of the groove left in the tire pattern is at or below millimeters (there is an indicator mark indicating this depth in the groove of the longitudinal straight bar of the tire tread), the tire must be replaced, because the drainage capacity of the tire has been greatly reduced, and the vehicle will be more dangerous to drive in wetlands.
In addition, it is especially important to note that bulging tires should not be used any longer.
Whether you need to replace tires is recommended to refer to the above, the general use of tires is about 4-60,000 kilometers, and the time is 3-5 years. Because the use of tires is affected by driving habits and road conditions, it may also be different from mileage or time, so it is not recommended to judge simply from mileage or time.
The date is on the side of the tire, only the outside has it, and the inside side has no date. On the outside of the tire there is an oval box, inside there are four digits, the first two digits are weeks, the last two digits are the year, such as 1817 is the 18th week of 17.
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Depending on the shelf life of the tire: the sidewall of the tyre will have a four-digit number indicating the date the tyre was manufactured, with the first two representing the number of weeks and the last two representing the year. The use of tires should generally not exceed 3 years, and the mileage should not exceed 60,000 kilometers.
While a little over the years and mileage doesn't hurt the big picture, the cold temperatures in the winter and the rain in the summer can stretch the wet grip and dry handling of the tires. Pay more attention to the sidewall: As the tire rubber gradually ages, the sidewall of the tire will appear to be deeply wrinkled.
However, as long as the sidewall of the tire has not been hit and the cord has not been broken, it can continue to be used. The triangular logo on the sidewall of the tire can help the owner find a protrusion in the groove of the crown of the tire, which can determine the actual wear limit of the tire, which should be greater than millimeters.
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Look at the degree of wear of the tire pattern.
It has nothing to do with time.
Generally, car tires are 5w
After a kilometer, it grinds very hard.
If you run 5w a year
km, that year has to be changed.
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Here are five situations where a tire needs to be replaced:
1. When the tire is worn to the wear limit mark, it must be stopped (that is, the tread depth is less than mm).
2. Tire aging.
3. Tires with deformed tread or bead damage, tires damaged by sidewall crushed due to airless driving, and tires corroded by chemicals shall not continue to be used.
4. Bulging tires shall not continue to be used.
5. If other damage affects the safety of the tire, it shall not be used continuously.
When a tyre needs to be replaced, please refer to the content of the appeal, and there is no direct correlation with the age of use.
There are many factors that affect the mileage of tires, such as road conditions and driving style.
In addition, daily maintenance, such as wheel alignment, regular air pressure checks, etc., will also have a significant impact on the service life of tires.
Therefore, it is difficult to give specific data on how many kilometers a tire can drive. A gentle driving style, proper tire maintenance can also extend the life of your tires.
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Generally speaking, car tires are replaced every 3 to 5 years or 4 to 60,000 kilometers, and after 2 to 3 years of tire use, some small cracks will gradually appear on the side, and if found, the tire should be replaced in time. Even if the tires have not yet reached the wear limit and mileage, they need to be replaced in time when they reach the age of 5 years or when there are a lot of cracks on the side.
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The quality of a car tire is related to whether our car is safe, speaking of which, many people may be curious about how often the tires are replaced for family cars? Next, I will give you an analysis and analysis.
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1) Generally, manufacturers recommend that tires need to be replaced for 4-6w km. It mainly depends on the degree of wear of the tire, if it grinds to the triangle mark on the sidewall, it must be replaced. If you can't find this mark, then visually inspect the tire pattern, and the pattern must be replaced if it is worn out.
In addition, after 3 years of the new car, you should also consider replacing the tires, because the tire rubber will age after a long time, and it is easy to burst when there are cracks. 2) The four-wheel alignment is for suspension, and it has nothing to do with the tires. Therefore, if the tires are not eccentric wear, it is not necessary to do four-wheel alignment to change tires.
But balancing is a must.
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The longest life of tires is generally about 7 years or about 80,000 kilometers. Generally speaking, the life of tires is affected by many objective factors, such as: the usual driving conditions of the vehicle, the brand of tires, the frequency of use and so on.
If you spend most of your time driving on flat surfaces such as urban areas or city roads, you can even reach a life span of 8 years. If the road conditions are uneven roads such as gravel and gravel, it may need to be replaced after 50,000 kilometers.
One thing to note here is that even if it has been 8 years and the number of kilometers is still very small, it is necessary to replace the tire in time, because the main material of the tire is rubber, and one of the major characteristics of rubber is that it will age. In 8 years, the tire aging has been very serious, and it should be replaced in time to ensure driving safety. If you don't replace it in time, it can easily lead to air leakage due to aging, and in severe cases, it may cause a puncture.
In addition, if the tire has been repaired more than twice, it is also recommended to replace it directly. When using the car, detect the tire pressure more, and if it is found to be abnormal, it is necessary to replenish the air in time, and the tire pressure is normal.
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Now many people will tell you that tires can be used for 7 years, 8 years or even 10 years, and there is no need to change them every 3 years according to the requirements of 4S shops, as long as they are not broken or bulging. There is nothing wrong with this idea of "making the best use of things", but everyone knows that tires are very important, and you should wait for them to be deflated before replacing them. I'm afraid it's going to be an accident next.
Some people will give you a lot of local science methods, such as touching the hardness and looking at the pattern, but in fact, these methods are not reliable, and you don't have to worry about the current tire design. There are 4-5 pits on the tires in general. When using new tires, you may want to take a closer look at the following.
You can definitely spot 2-3 strange protrusions in the middle of the pit and somewhere in the tire. These protrusions are trapped in the pit and are clearly not designed to grip the ground. These strange protrusions are tire wear indicators.
Each bump has a dot on it. Look at your tires. If you can still see the dots on the bumper, the tires are not worn and need to be replaced.
If you find that the dots on the bulge have completely disappeared, leaving only the square bump, it means that you are going to change the tire. If you find that the tread pattern of the tire is very shallow, and those protrusions are almost worn out, then it goes without saying that your tire is seriously worn, please replace it as soon as possible. However, even if you usually drive less or the road conditions are good, this tire has not been seriously worn out for more than five years.
We also recommend that you replace it. Tires are rubber in nature. Rubber will deteriorate significantly in 4-5 years.
Even if the car tires are made of durable special rubber, the safe service life is about 5 years.
So, if your tires are 5 years old, it's best to consider replacing them, no matter how worn out. If the tire is more than 5 years old, close to 6 years, it is highly recommended to replace it. 6-year-old tires have obvious safety hazards and are best not to be used again.
Although it may seem simple, the internal structure of the tires of modern cars is actually very complex. In addition to the rubber on the outside, there are steel wires on the inside to support the entire frame. In general, these structures are subject to constant stress and heating during daily use, which inevitably leads to aging over time.
In addition, the rubber body of the tire can also reduce its effectiveness over time. Even adding anti-aging additives to tires during the production process will only extend the life of the tires as long as possible. Generally speaking, tires are used for six years, which is the limit.
Huozi recommends that you replace it as soon as possible.
Even if your tires are not severely worn (for example, if you use less cars), your tires will lose their original strength after years of sun and rain. Although you can ensure safe driving for a period of time without running at high speed, Huo Nan feels that this does not save electricity money. Generally speaking, you don't use your tires to the limit before changing them.
However, when you usually check the tires, you will find that the wear and tear state of the front and rear wheels is different, and I have heard many old drivers say that there is no need to change all four tires at once, after all, the cost of doing so is high. Therefore, many car owners use the method of changing tires in pairs, which is safe and affordable on the one hand. So, should the new tires be used in the front or in the back?
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If the car owner drives the car fairly gently in the conditions of ideal external use, we can answer more or less simply: it is recommended that the owner replace the new tires after 5-6 years of use.
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The tires of the car generally need to be replaced when running 10,000 kilometers, and generally need to be replaced once a year, if not replaced, the tire will wear out particularly seriously, and it is easy to be dangerous at this time.
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The tires of the car are generally replaced once every six months, and the tires are already worn out during this time period, so they should be replaced.
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By replacing the tire once a year, you can observe the degree of wear and tear of the tire and avoid the occurrence of punctures, so that potential safety hazards can be eliminated.
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Generally, the tires of automobiles are changed every 5 years or 6-80,000 kilometers.
If the tires are severely worn, they must be replaced in advance.
If there is no problem with the tires and the mileage reaches 80,000 km, even if they are less than 5 years old, they need to be replaced.
Similarly, if it is used for 6 years, even if the mileage is less than 80,000 kilometers, the tire surface shows obvious signs of aging and cracking, and the tire needs to be replaced.
Generally speaking, all four tires of a car are of the same brand and specification to ensure the best performance of the vehicle.
If the size, structure, and wear state of the four tires are inconsistent, it will affect the handling and stability of the vehicle. If you need to replace one tire after the tire is visibly worn, it is best to replace all four tires at the same time. If some conditions are not met, at least ensure that the left and right tires on the same axle are the same.
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It takes about an hour to change four tires at a professional repair shop or 4S shop. If you change the tires yourself, it will take about 20 minutes for one tire. Most car owners should change their tires within 3-50,000 kilometers, and those who don't drive often will replace them regularly after a few years of replacing them with new tires.
More information is as follows: 1. Tires are made of rubber, and rubber will gradually age when exposed to direct sunlight, mainly because the ultraviolet rays in the sunlight can break and cross-link the rubber molecular chains, and the tires absorb the heat of the sun to cause the separation of sulfur and raw rubber, and the car cannot avoid sunlight exposure during driving or open parking. The aging cycle of rubber is about 5 years, and tires that are more than 5 years old, rubber particles become hard, cracked, and brittle, and it is necessary to consider replacing tires at this time.
2. The situation that the tire pattern is smoothed occurs in the car owner with a relatively high frequency of use, although the time has not reached the replacement period, but the frequent use of the tire wears out quickly, in this case it should also be replaced, each tire will have an indication symbol of wear, this symbol can be used as a reference value for tire wear, when the pattern wear on the outer surface of the tire is close to the height of the wear mark, the tire can be replaced, and the wear limit has been reached.
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The service life of tires is generally 2-3 years or about 6-100,000 kilometers. China's regulations stipulate that the pattern on the surface of the tire must be replaced when it is worn out. Tires that usually don't run much, due to the aging problem of rubber parts, the safety is not guaranteed, that is to say, the maximum service life of tires cannot exceed 6 years.
If the car is often used and drives more kilometers, then the frequency of replacement will be a little higher, and generally if it is used normally, a tire can roughly travel about 50,000 kilometers.
Of course, the number of kilometers that the tires can use also has a lot to do with the driver's habits, usually driving is more stable, can be used for a longer time, if you always brake sharply and refuel, then the wear is faster. After the vehicle has been used for a period of time, it is necessary to pay attention to the wear and tear of the tire pattern, and replace it in time to ensure safety.
Observe the degree of wear and tear of the tires. Tires can drive safely on the road, to a certain extent, relying on the friction between the tire and the ground. When the surface of the tire becomes smoother and the friction caused by the contact between the tire and the ground decreases, the car is very easy to skid, so it is easy to get into an accident.
Therefore, when the worn tire pattern is about the same as the baseline of the replacement baseline, it needs to be replaced.
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