As the “foot” of the car, tires have always been silently serving the host. In fact, no matter how fast the car can run, there is nothing to do without these four feet. However, such a critical part is easy to be ignored. Today we will teach you a few methods for self-inspection of tires.
pierce the hole
Has your car been punctured? If so, how long has it been since then? In fact, for tires that have been repaired for a long time, even if they are used for a while, the endurance under extreme load will be much lower than before. In addition, if more than 3 holes have been pierced in the same tire, we It is still recommended that you replace it as soon as possible.
Bulge
If a car drives through pits, obstacles and road teeth at high speed, the tires will locally deform severely under the huge impact force, and the internal pressure will increase instantaneously. The direct consequence of this is that the sidewall cords will break and cause bulging .. In addition, under the same impact strength, low aspect ratio tires are more likely to cause sidewall bulge than high aspect ratio tires. Tyres that have been bulged must be replaced immediately, otherwise there is a risk of puncture.
Pattern
Generally speaking, the tires of a family car in normal use can be replaced every 6 kilometers or two years, but tires with severe pattern wear should be replaced early.Today’s quick repair shops have pattern wear scales, and car owners can buy one to check the pattern wear of their tires at any time.In addition, the increase in tread cracks is also a sign of serious aging. Usually, you can properly spray some tire protection wax, and try not to press corrosive liquids when driving.
Air pressure
Most family cars now use tubeless radial tires. For front-wheel drive vehicles, the engine and gearbox and other important driving components are pressed on the front, so the front wheels sometimes look a little flat, but the visual inspection is inaccurate. Yes, it must be measured with a dedicated tire pressure gauge. Generally speaking, the air pressure of the front wheels is between 2.0 Pa and 2.2 Pa. (Because each car has different uses and designs, *better refer to the factory value calibrated in the instruction manual). It can be lower in summer.
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Link to this article：Introduction to the correct self-inspection method of automobile tires
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