。Excuse me, car and passenger car tires with the factory date of December 19, can I change them now?

When changing the tires of passenger cars. 60,000 km in four years. If the surface wear of the tire is not severe. The phenomenon of shoulder bagging. It is not advisable to replace.

With the exception of broken, bulging tires, tire life (replacement) is determined by two indicators:1Time. 2.Degree of wear. Which item comes first and which item is replaced by which.

Two. Degree of wear: It is not appropriate to emphasize the reference number of kilometers traveled, mainly depending on the degree of wear.

Because of the weight of the car itself, daily light load, full load, tire quality, etc., these factors will have different or even greater tire wear under the same mileage. And many car owners can't remember the mileage at all after changing tires. The following two methods can be self-tested:

1.Look at the tire: between the tire treads, there are several annular grooves (drain grooves) around the tire, and there will be a "bump" mark (mm height) at intervals between the grooves, which is lower than the tire pattern next to it, and when the tire pattern is worn to the same level as this bump, it means that it needs to be replaced.

This is a "wear mark" specially designed by many manufacturers for the safe use of tires (but not all brands of tires have this mark). Drawings:

Tire wear signs.

2.If the tyre does not have wear marks, it can be tested with a special measuring tape: when the ruler is graduated in millimeters, it has reached the safety limit and must be replaced. Drawings:

Measuring tape measurement.

Summary. The replacement of the tire is this 2020 and now a year, this is no problem, this is impossible to replace the tire with this date very close. Because this date is relatively close, there is no way to buy this 4S store, that is to say, in this case, there is no problem with the use of tires for one year after installation, and under normal circumstances, the tires of this vehicle are guaranteed for 6 years, that is, more than 6 years.

This tire will start to slowly age the rubber. There is no problem, it can be used.

Hello, happy to answer your questions.

The replacement of the tire is this 2020 this one year now, or Sakura this is no problem, this is impossible to replace the tire with this date very close. Because of the tires that are relatively close to this date, there is no way to buy them in this 4S store, that is, there is no problem with the tires of the next year in this case, and there is no problem with the use of the tires of this vehicle after being installed, and under normal circumstances, the tires of this vehicle are guaranteed for 6 years, that is, more than 6 years. This tire will start to slowly age the rubber.

If you don't have a problem with raising a group, you can use it.

I changed 2 front wheels, one is from 2021 and one is from November 2020, I want to find them all to change to 2021, the 4S store is not dry, Hengshi I want to defend my rights, is there an answer to the question of Qingli?

If you want to defend your rights in this kind of trust situation, it is very rare to have this 2020 tire, and it has only been a year now, and there is no way to say this tire, and it is guaranteed that this must be replaced with a new one. That is to say, the shelf life of the current tire is hidden for 6 years, and as long as this person is within this shelf life, this is normal. It's like if you go to the store to buy a product, the warranty period of this product is two years, and the product he sold you has been put for a year, and this person is reasonable.

They mean they can compensate me properly and not give me a tire change, and I have complained to 315.

Then you can complain, that is, as long as this tire is within the warranty period of this tire product, people are a normal and reasonable.

But if the shelf life is 6 years and the inventory is 1 year, then I have less service life, and I didn't tell me that I was from 2020.

Yes, you can understand it this way, but after you complain, this estimate can't be handled for you, or it takes a long time to deal with it.

Summary. On the outside of the tire, on one side of the tire, there is a set of numbers, from the last four digits of the logo can be known about the date of production, it consists of a total of four digits "aabb". The first two "aa" indicate the weeks of the year, and the last two "bb" indicate the year.

For all tires manufactured after 2000, the last four digits of the tire identification number represent the date the tire was manufactured.

Among these four numbers, the last two digits represent the year of production of the tire, e.g. "XX13" means that the tire was produced in 2013; The first two digits represent the number of weeks the tire was produced, e.g. "3513" means that the tire was produced in the 35th week of 2013.

What is the normal production date of the tires of the car bought in September 2019?

Hold on. On the outside of the tire, on one side of the tire, there is a set of numbers, from the last four digits of the logo can be known about the date of production, it consists of a total of four digits "aabb". The first two "aa" indicate the first week of the year, and the last two "bb" indicate the year.

For all tires manufactured after 2000, the last four digits of the tire identification number represent the date the tire was manufactured. Among these four numbers, the last two digits represent the production year of the tire, for example, "XX13" means that the collapsed sock slag tire was produced in 2013; The first two digits represent the number of weeks the tire was produced, e.g. "3513" means that the tire was produced in the 35th week of 2013.

I know how to look at it, I just want to know if the production date of the tires of the car picked up in September 2019 is normal in 2018.

Hold on. A normal vehicle is not a fitting that is produced and then assembled. Each piece is mass produced, and the production date is different.

It is normal for each piece to have different production dates. It's the same with tires, maybe the OEMs have too many tires and use tires that move forward. Qing cavity round.

1. Under normal driving such as 10,000 kilometers per year, the choice of wear-resistant tires can be changed around 70,000 kilometers, and if you choose comfortable tires, it is recommended to change 5-60,000 kilometers. If you can't drive 10,000 kilometers or about a year, it is recommended to replace it in three to four years.

2. There will be four digits on the sidewall of the tire indicating the manufacturing date of the tire, the first two represent the number of weeks, and the last two represent 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.

3. Pay more attention to the sidewall: As the tire rubber gradually ages, the tire sidewall will have deep lines. However, as long as the sidewall of the tire is not hit by a megalo and the cord is not 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 and determine the actual wear limit of the tire, which should be greater than millimeters.

Pacific Automobile Network] car tires in the 80,000 kilometers when changing, due to the long-term use of the car, there is a sliding friction between the tire and the ground, the tire will be worn, the car tire as the only part in contact with the ground, its quality is directly related to the safety of the car on the road, so it needs to be checked and replaced regularly.

It is generally better to change vehicle tires once in 3-5 years or more than 6-80,000 kilometers. Generally, the expiration date of tires is 5 years after manufacturing, if the tires are indeed used for 78 years, it is recommended to replace them immediately, otherwise there is a risk of tire puncture. Since the tire is a rubber and plastic product, it is characterized by embrittlement due to changes between them, which is manifested as a hard bottom of the surface layer, and then cracks.

Embrittlement is not easy to appear without the application of tires, but the time period of placement or application is too long, especially if it has already exceeded the replacement cycle time, it must be applied after all-round inspection, after all, safety first. However, the tires have been used for 78 years, which is significantly beyond the replacement cycle time, and the tires must be inspected in all directions before they can be used again.

In terms of the expiration date of the tires, even though Michelin Tyres and Mainland Tires claim that their tires can be used for more than 10 years, they also propose that after five years, a comprehensive inspection should be carried out by professionals every year. Nissan and Mercedes-Benz reminded car buyers that tires need to be replaced after 6 years of factory wear, regardless of the wear condition. This means that tires that have exceeded their application period cannot be used continuously and must be replaced immediately.

However, it is not only necessary to replace the tire after a long period of time, but also if the tire is worn to a certain period, the sidewall is packed, the tire is punctured too much, or the tire is repaired too often.

The most immediate way to tell the level of wear is to look at the wear level of the tire, which is basically a wear mark for every tire. Generally, the height of the wear mark of the car tire is this height, which is also the minimum depth of the groove of the tire as prescribed by law), and the height of the wear mark on the load tire is. If you notice that the wear marks are the same as the tread, it means that the tire is almost worn out and should be replaced immediately.

Sidewall packing indicates that the cord inside the tire has long been broken and cannot be restored according to repair, and must be replaced immediately, otherwise there is a safety risk.

The tire puncture hole is relatively large, and the repair frequency is too much, and the tire is tied with steel nails, which can be regarded as very common, but if the puncture hole is very large or the repair frequency is too much, it can directly endanger the safe driving, and it is not possible to deal with the tire repair at the moment. Especially in the case of a car, the pressure of the tires is very high, and if you drive for a long time, there is a certain probability of a tire puncture. Therefore, we must not leave it to chance, and replace it immediately.

Photo by Pacific Automobile Network Q&A).

The service life of tires is generally 4 to 6 years or 6 to 100,000 kilometers, and the tread depth is below and the tires need to be replaced immediately. 50,000 kilometers of asphalt pavement and 30,000 kilometers of rugged sand and gravel roads. However, depending on the brand and the difference in the hardness and softness of the tires, the general hard tires can be made for 5 years, and the soft tires can be achieved for up to 8 years.

Car tires are generally replaced in 3-5 years.

Tires belong to rubber and plastic products, and after being used for a long time, it is inevitable that they will age and crack, and they will inevitably wear and tear when they rub against the floor all the time. In addition, tires are very harmful to the natural environment of the road and safe driving design style, and the level of tire wear is different under different circumstances, and the replacement cycle time is also different.

Generally, car tires are replaced in 3-5 years, even if the tire wear condition is good, but the rubber and plastic products will occur significant aging in 4-5 years. Even if the tires of the vehicle are made of unique vulcanized rubber with high durability, the safe service life is about 5 years, but the tires must be replaced after six years of use.

Precautions for tire maintenance are:

1. Keep the distance between vehicles at high speed, avoid unnecessary or frequent braking (braking), and reduce damage to tires.

2. Transposition the tires on the vehicle in a timely and appropriate manner to keep the tires evenly worn.

3. Try to use tires with vertical lines for the front wheels, and try to use tires with horizontal lines for the rear wheels.

4. The tire wax contains wear to the wear mark and must be replaced.

5. Parking should be reasonable, when parking in summer, the car should be parked in a place where there is no sunlight for a long time, because the wheels are easy to be exposed to ultraviolet rays after long-term sun exposure, so that the rubber surface will age, resulting in an increase in the probability of puncture.

It is better to change car tires once in 3-5 years or more than 6-80,000 kilometers. Even if the tires are in good condition, the rubber and plastic products will deteriorate significantly in 4 to 5 years. Even if the tires are made of unique vulcanized rubber with high durability, the safe service life is about 5 years.

In other words, when the tire has been applied for six years it must be replaced.

Private car tires are generally replaced every 5 years or 60,000 kilometers (whichever comes first)! There are three main ways to tell if a tire has been replaced: time and mileage, tread markings, and when the tire left the factory!

The tire is the only part of the car that is in direct contact with the ground, and the car suspension accepts the impact force generated during the driving process of the car to ensure that the driver and passengers have good riding comfort and driving stability in the car. Therefore, regular inspection and replacement of tires is a must for every car owner.

The first is time and mileage

Even if you don't drive, the tires are gradually aging, experienced car repairers will recommend replacing tires every 5 years or 60,000 kilometers (whichever comes first), even if it comes to time (or mileage) the tires are still good, in fact, the internal structure has changed, losing the original elasticity or embrittlement, for the safety of driving, it must be replaced. How often do family car tires usually be changed? Keep this point in time in mind.

The second is the tread marking

Regardless of which manufacturer's tires, wear marks will be set, the purpose is to allow the owner to "accurately" observe the wear of the tires, the general family car tires are millimeters, to the wear marks to replace; There is also the owner can use the method of inserting coins to judge the depth of the groove, if you can see the national emblem pattern completely, then replace it quickly, so as not to cause accidents.

The third is the factory time of the tire

Many car owners have changed their tires several times, they will forget which tire has been replaced which has not been replaced, then the factory date of the tire surface at this time has become the standard for judging, find the four-digit number of tire parameters: xxaa, aa represents 20aa, xx represents the number of weeks in the year; For example, 2513 represents the 25th week of 2013, generally speaking, even if the tire is not used for 5 years, it needs to be replaced, and the owner can calculate according to this 5 years to see if the tire of his vehicle is replaced.

Finally, there is the simpler phenomenon of severe eccentricity, cracks, bulging and nails, which are obvious manifestations of tires that need to be replaced; There are also qualified car owners, to regularly change the tires, it is recommended to transpose every 10,000 kilometers, every 20,000 kilometers for four-wheel alignment, to avoid tire eccentricity.