Does a puncture on the tire sidewall mean it must be replaced?

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Whether a puncture on the tire sidewall can be repaired depends on the specific situation. If the puncture area on the tire sidewall is within 6mm, it can be patched. If the puncture area exceeds 6mm, there is no need for repair. The relevant introduction about tires is as follows: Functions of tires: To reduce and absorb the vibrations and impacts during vehicle operation, preventing early damage to automotive components caused by severe vibrations. Performance requirements: Safety performance mandated by regulations: high-speed performance, durability, bead unseating resistance, strength, and outer dimensions. Performance tested when tires are assembled on vehicles: comfort, handling stability, NVH (Noise, Vibration, and Harshness), fuel economy, impact resistance, dry and wet braking performance, wear resistance, etc.