Brief analysis of car tire maintenance and replacement cheats

Many car owners have come to the professional maintenance shop to do the testing and maintenance work before the car, but few car owners have taken the initiative to test the spare tire. Professionals point out that the spare tire is very important for the use of the car, especially now that it is driven at high speed and long distance. In order to avoid the impact of the tire when the tire is damaged, it is necessary to pay attention to the spare tire. In addition to maintaining the four tires in use before the Spring Festival, don't forget the spare tire. Remember: there are five tires for a car, four for the wheel, and one for the spare.

The spare tire can be ineffective

Many car owners neglect the use and maintenance of spare tires. The spare tires are ineffective, not the air pressure is insufficient, or the valve core is damaged. Ms. Du’s Fukang sedan’s right front tire was heavily bulged. When the tester was ready to replace it with a spare tire, the spare tire was taken out. As a result, the spare tire was taken out, there was no air pressure, and it could not be inflated because the valve core was damaged. The owner and the maintenance personnel Feeling very helpless. Of the more than 30 cars tested in the recent period, five or six were seriously damaged. When the tires were replaced, the spare tires were found to be waste tires and could not be replaced. And many car owners either don't know how to use the spare tire, or they don't pay attention to the spare tire. The owner of Mr. Li’s Santana 2000 has a side injury. When the staff was ready to temporarily replace the spare tire, the production time of the spare tire that the brand was Goodyear was found in August 1998. Due to the placement for many years, the spare tire has been seriously deteriorated, and there are scars such as rubber strips. It is already a waste tire. The owner even thought that the spare tire could still be used. Professionals pointed out that when the aging period of the tire was about 4 years, he suddenly realized. Ms. Li’s Jetta car has been tested and found that there is a section crack on the right front side of the sidewall. Since the community has to go through the Wuhuan Expressway in and out of Beijing, it must be replaced with a spare tire. Unexpectedly, her spare tire is also a device. Because the valve is broken and cannot be inflated, the inspector only reduces the air pressure of the injured tire, tells her to drive slowly, and takes remedial measures as soon as possible.

Not only the general car owners, but also some tire shops with low professional standards also neglect the service of spare tires. Some car owners report that when testing tires, some maintenance personnel use the spare tires as positive tires, while the damaged tires are replaced with new tires and placed in the trunk for spare tires. The service is very unprofessional.

Tire expert Wei Junqiang believes that for car driving, it is very important to pay attention to spare tires and the correct use of spare tires to improve the economy and safety of automobiles. The owner of the car, including some tire service units, should realize that the spare tire cannot be used as a positive tire, but is temporarily replaced. The spare tire must be inspected continuously like the positive tire to ensure that the air pressure is in good condition, and the spare tire cannot be used in the same way. Otherwise, when a tire has a problem, the owner will be helpless.

The spare tire can be used for a long time.

There is another extreme beyond the cold corner of the spare tire above. According to the tire inspection personnel, some car owners use the spare tires as long as the common tires. The consequences are very serious. In general, the size of the spare tire is smaller than the size of the normal tire, and the flatness, the tire width or the tire diameter are different from those of the normal tire. The purpose is to distinguish the spare tire from the normal tire, thus reminding and prompting the owner to replace the used spare tire with the normal tire as soon as possible.

The more vivid colors, the purpose is to remind the owner to replace the spare tire in time.

The spare tire should not be used for a long time. It is not used to replace the tire for a long time. It is used less frequently, so there is less chance of friction with the ground. For example, after changing the spare tire, the friction coefficient of the four tires is different. The ground adhesion is different, the air pressure is different, and the long-term use will have certain influence on the braking system, the steering system and the suspension system of the vehicle, which brings great hidden danger to the driving safety. At the same time, it will cause uneven friction in other tires in the same direction.

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