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As the "foot" of a car, tires have always been silently serving the owner. In fact, no matter how fast the car can run, there is no such thing as leaving the four legs. However, it is such a critical part that is most vulnerable to being left out. Today, Xiaobian teaches you how to self-test tires.
1. Did you get your car stuck in a tire? If so, how long ago was it? In fact, for tires that have been filled for a long time, even if they are used for a while, there is no problem, but at the limit The bearing capacity under load is also not as good as before; in addition, if more than 3 holes have been drilled on the same tire, we recommend that you replace it as soon as possible.
2. If the bulge car travels through pits, obstacles, and curbs at high speeds, the tire will undergo severe deformation under a large impact force, and the internal pressure will increase instantaneously. This will directly result in the breakage of the sidewall cord. And cause bulging. In addition, under the same impact force, low flat ratio tires are more likely to cause sidewall bulges than high flat tires. Tyres that have already experienced bulging must be replaced immediately, otherwise there is a risk of puncture.
3. Pattern In general, the normal use of household cars can be replaced every 60,000 kilometers or two years, but for tires with severe pattern wear should be replaced sooner. The fast repair shop now has a pattern wear ruler, the owner can buy one, at any time to detect their pattern of tire wear. In addition, the increase in tread cracks is also a sign of serious aging, usually can be sprayed with some tire protection wax, there is the drive to try not to press the corrosive liquid.
4. Air Pressure Most of today's family cars use tubeless radial tires. For the front-wheel drive, the front wheels sometimes look awkward, but visual inspection is due to the fact that the engine, transmission, and other important drive components are pressed on the front. It is inaccurate and must be measured with a dedicated tire pressure gauge. In general, the pressure of the front wheels is between 2.0 Pa and 2.2 Pa. (Because the use and design of each car are different, so it is best to refer to the manufacturer's values ​​calibrated in the instruction manual.) Summer can be appropriately lower.
5. Shi Zi Some owners often hear their own car will make a "squeaking" sound while driving, but the car is up and there is no failure, then you have to check whether there is a small stone stuck in the tire pattern Now. In fact, as long as you usually pump out the keys to dig out the small stones in the tread pattern, not only will the tires have a more stable brake grip, but they will also avoid tire noise.
6. The spare tire wants the spare tire to play the role of a real emergency, and we must always pay attention to its maintenance. First of all, always check the spare tire pressure; Second, the spare tire should pay attention to anti-oil erosion, the spare tire is a rubber product, most afraid of all kinds of oil erosion. As soon as the tire is oiled, bulk corrosion will occur soon, which will greatly reduce the service life of the spare tire. Finally, the life span of the spare tire is about 4 years. Many owners mistakenly believe that the spare tire has not been used until it is new. In fact, even if the spare tire has not been used before, it must be replaced after 4 years. Otherwise, the spare tire becomes a waste tire. .