According to the statistics of the traffic management department, about 46% of highway traffic accidents are caused by tire failure every year, of which about 70% are caused by tire explosion. Especially in summer, air and road temperatures keep rising. During high-speed or long-distance driving, the tire is affected by high temperature, the overall expansion, the internal air pressure rises, and the probability of tire explosion is greatly increased! The editor reminds car owners that in order to ensure driving safety, the tires must be carefully checked before departure. When the tires have the following four conditions, they should be replaced in time!
Note that the tires need to be replaced in these four cases!
1. Serious tire wear.
Before traveling, car owners can judge the degree of tire wear by observing the tire wear marks. The wear marks are generally located in the tire drainage grooves and are trapezoidal rubber bumps. The wear mark thickness of the family car is 1.6mm. When the tire pattern is flush with the wear mark, the tire must be replaced.
2. The tires are seriously aged.
Professional maintenance personnel suggest that the tire replacement cycle is generally 3-5 years or 30,000-50,000 kilometers. Due to the different use environments, to judge whether the tire needs to be replaced, we should first look at the wear, and then look at the age. If the tire surface and tire walls are generally cracked, even if the tire is only used for one year, it needs to be replaced. Even if the tire wear is not obvious, it must be replaced for more than 5 years.
3. The tire bulge is deformed.
This situation proves that the metal coil in the tire has been deformed or broken and must be replaced in time. If you continue to drive, the tire is likely to burst.
4. There are obvious scratches on the tire surface.
Tire experts said that if the tread is punctured or punctured by other objects, the hole diameter is less than 6mm, which can be repaired, and it must be replaced if it is larger than 6mm.
In order to ensure driving safety, friends can use a high-pressure water gun to clean the soil attached to the tires at close range before departure, and then use tools such as keys, screwdrivers, needle-nose pliers and other tools to remove the remaining sand and gravel. In the daily driving process, some car owners easily ignore the above-mentioned need to replace the tire, resulting in a tire blowout during driving. I believe that friends who have experienced a flat tire often encounter this situation when repairing in a 4S shop. Apparently one tire blew, but the 4S shop recommends replacing two or even four tires at the same time. Have they been scammed?
Why replace 2 or 4 bad tires?
Inconsistent tire tread patterns may increase ground friction resistance, increase fuel consumption, and even lead to rapid tire wear.
The tread pattern of the tires on both sides is consistent, which is conducive to maintaining the degree of tire wear. The same body volume is the same, which can better ensure the stability of the vehicle driving. At the same time, it can also avoid the increase of fuel consumption. "Technical Conditions for Safe Operation of Motor Vehicles" stipulates that the tire specifications and patterns on the coaxial line should be the same, and the tire specifications should comply with the regulations of the vehicle manufacturer. If the traffic police find inconsistent tire patterns during driving, according to Article 90 of the "Road Traffic Safety Law of the People's Republic of China", the driver will be fined between 20 yuan and 200 yuan.
Remind car owners and friends that in order to avoid tire explosions affecting driving safety, not only should carefully check the tires before departure, investigate safety risks, but also pay attention to maintaining tires in daily life and driving!
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