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Will a tire with a nail puncture completely deflate overnight?

2 Answers

SanBrody

07/25/25 1:58am

If it is not a run-flat tire, the air will completely leak out. Below is some information about run-flat tires: 1. Disadvantages: Run-flat tires are harder, so driving on bumpy roads will feel more intense. Additionally, run-flat tires of the same grade are more expensive than regular tires. 2. Performance: After a puncture, a run-flat tire allows the car to continue driving at up to 80 km/h for a maximum of about 80 kilometers, which is sufficient to reach the nearest repair shop for a tire replacement. 3. Functionality: Run-flat tires not only enable continued driving after losing pressure but also ensure safety. After a puncture, a run-flat tire does not immediately collapse because its sidewalls are particularly thick, providing strong support to prevent the vehicle from rolling over. Moreover, vehicles equipped with run-flat tires do not have a spare tire. In the event of a puncture, they can continue driving without needing an immediate tire change, offering convenience and additional trunk space.

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AlexanderLee

08/10/25 4:22pm

I've been studying automotive mechanics, and whether a tire with a nail puncture will lose all its air overnight depends on several key factors: If the nail remains in the tire, it partially blocks the hole, slowing the air leakage—typically losing only 20%-50% of the air overnight. However, if you remove the nail, the open hole causes much faster leakage, and even a small puncture may leave the tire nearly flat by morning. Larger tires hold more air and are less likely to fully deflate, while smaller tires are at greater risk. The leakage rate also depends on the tire type—tubeless tires seal better, whereas traditional tires lose air faster. Higher initial pressure accelerates leakage. Temperature changes matter too: cold winter air tightens the seal, while summer heat expands air and speeds up deflation. My advice: don’t ignore a punctured tire—check the pressure immediately. If it’s soft, switch to a spare or get it patched right away to avoid trouble. Regular tire inspections and installing a pressure monitor can prevent issues—this is all practical wisdom.

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