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Can Run-Flat Tires Be Repaired?

2 Answers

MacBrynlee

07/24/25 3:57am

Run-flat tires can be repaired. If replacement is needed, the following methods can be used for repairable cases: 1. Emergency use of large rubber strips: Insert special rubber strips into the damaged area for quick and easy repair, but they are not durable and serve as an emergency remedy. Internal repair is required afterward. 2. Emergency use of automatic tire repair fluid: Compressed in a canister, it is injected into the tire through the valve for inflation, forming a sealing film on the inner surface of the tire to achieve the repair effect. 3. Cold repair: Apply a special tire repair patch inside the tire to complete the repair, but it is not durable and may leak again. 4. Hot repair: Apply a special tire repair patch inside the tire and use a baking machine to melt the patch, bonding it to the damaged area. Hot repair is durable, but excessive heating temperature may damage the tire. 5. Mushroom plug: The most reliable tire repair method, but it is more expensive and time-consuming.

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Jay

08/10/25 11:33pm

I was always curious whether run-flat tires could be repaired, and then I actually encountered this situation myself. That day, I was driving in the rain when I suddenly felt something was wrong with the wheel. After checking at the shop, they found a small hole in the tire tread that was leaking air. The mechanic said that since it was a run-flat tire, as long as the hole was in the center and didn’t exceed 6mm in diameter, it could still be repaired. They fixed it with a mushroom plug, costing just a few dozen yuan, saving me the expense of a new tire. Run-flat tires do have advantages—their reinforced sidewalls allow you to drive short distances even when they’re losing air. But after a repair, remember to check the airtightness and wear to avoid unexpected blowouts. After years of driving, I’ve learned that the key is regular tire maintenance and avoiding high-speed driving on roads prone to nails. This way, run-flat tires last longer and save money. Overall, they’re decent, but don’t expect too many repairs—safety comes first.

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