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At what extent of tire cracks should they be replaced?

1 Answers

StTucker

07/29/25 9:24pm

Car tires should be replaced when cracks reach the following extent: 1. Crack length exceeds 6 mm. Whether cracks on tires require replacement depends on the depth of the cracks. Cracks less than 6 mm in length can be repaired at a repair shop, while those exceeding 6 mm require tire replacement because the internal materials damaged cannot be repaired. If the repaired tire is a front tire, it is recommended to swap it with an unrepaired rear tire to minimize the risk of a blowout. 2. Presence of numerous small cracks. If the tire shows signs of aging, with countless small cracks at the base of the tread grooves or the tire sidewalls that are about to damage the tire body, the tire must be replaced immediately regardless of how long it has been used or how much it has worn.

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