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At what level of aging must car tires be replaced?

1 Answers

EstherMarie

07/30/25 6:55am

Here are the conditions under which aging tires need to be replaced: 1. Tire tread wear level: New tires generally have a thickness of about 8mm, and when the wear reaches about 1.6mm, the tire should be replaced. The degree of wear is directly related to the mileage driven and the driving habits of the owner. The normal lifespan is around 50,000 to 80,000 kilometers. Once this mileage is reached, it's advisable to regularly check the tire thickness. 2. Tread aging level: The aging of tires is closely related to their usage period and environment. The normal usage period is about 6 years, and harsh environments can accelerate this period. Aged tires will develop a large number of cracks on the surface. If such cracks are observed, the tire should be replaced as soon as possible, even if it hasn't been 6 years, to avoid the risk of a major blowout. 3. Severe sidewall damage or bulging: The sidewalls of tires are rarely damaged. However, if bulging, deformation, or severe damage occurs on the sidewall, it can be very dangerous. It is recommended to visit a professional repair shop immediately for inspection and treatment, and generally, tire replacement is advised.

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