What causes wrinkles in tires? Do all four wheels need to be replaced?

Hello! According to the ** judgment you provide, the tire has deteriorated (for example: there are countless small cracks in the tread pattern, groove bottom or sidewall), you need to replace the tire in time, whether it is a new tire or an old tire.

When parking, it is recommended to park the vehicle in a cool place to avoid premature aging and damage to tires caused by direct sunlight.

It is advisable to replace it, run on the road, especially on the highway, who dares to guarantee that it will be fine? The cars are bought, can you still miss these tires?

This one doesn't get in the way except for the appearance, because so am I.

Tires are like our shoes when we walk, and if they wear out, so do them. Most of the wear and tear is not caused by improper operation, it is a normal phenomenon.

Many people think that the tire leather is very solid and do not pay much attention to it. In fact, the gradual wear and aging of tires will eventually lose their grip and threaten our lives. Therefore, if the tires have the following five conditions, be sure to replace the tires in time!

One. Cracks, bulges

When you inspect your tires and find that there are visible cracks or bumps on the sidewall of your tires, it's time to replace them. Because a crack is an indication of damage to the tire, there may be a leak or crack. If not replaced, a punctured tire may occur.

The main reasons for this phenomenon are: long-term low tire pressure or car overload, tire tread too narrow, rim too wide, tire wear is mainly borne by both sides of the tread.

Two. Abnormal jitter

When driving, if the car of your confidant is abnormally shaking, you should pay attention! The old driver is very familiar with his car, and when you feel the abnormal shaking that you didn't have before, you can immediately punch the hole to check whether there is some problem with the tire. When the tire is worn or worn on both sides, it is generally caused by the air pressure of the tire being too high or too low, and we should adjust the tire pressure in time.

Also check that the tires match the rims. Whether the car is often overloaded.

Three. mm

Are you familiar with this thickness? That's right! This is the thickness of the tread pattern of the tire.

As shown in the picture, when you insert a one-dollar coin into the tread groove, the side with the letters facing down. At this time, if you can still see the whole chrysanthemum pattern, then it means that you should change the tire! It's a practical and simple method, so you might as well give it a try.

Four. Wear indicator line

You know that your tires have a tread pattern on themWear indicator lineIs it?

When the tires are very new or have very little wear, these lines are almost undetectable and hide in the ravines. But when the tires are worn and thinned, these lines are revealed hidden in the ravines. If almost all the indicator lines on the tires are clearly visible, it's too late to change the tires!

Hello! According to your description, your tires are experiencing eccentricity.

If the tire pressure is normal, please check whether the vehicle's wheel alignment data is normal. If you notice that your vehicle is shaking or mistracking, your vehicle may be poorly positioned or unbalanced. These conditions not only shorten the life of the tires, but also affect the handling of the vehicle and can be dangerous.

If you notice irregular wear or shaky or mistracking, check the wheel alignment and balance right away.

Please check it at a regular tire shop. You can log in:

Find your nearest Michelin retailer. "Chijia store" is marked with ** on the right side of the store name. Chijia provides professional four-wheel alignment services.

Tires are not fixed when replaced to a degree of integrity. The depth of the pattern to determine when to replace, the general reason for the need to replace is that the tire is irreparably hard damaged, or often wears the tire, the tire pattern is not high enough to need to be replaced, for your current situation does not need to be replaced, to make full use of its value.