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Below what tire pressure should you no longer drive?

1 Answers

DeLilliana

07/29/25 10:16am

Tire pressure below 1.7bar is unsafe for driving. Vehicles are typically equipped with a tire pressure monitoring system, which usually triggers an alarm when the tire pressure falls below 1.8bar. Therefore, this value is also applicable to tires without tire pressure monitoring sensors, and it is recommended not to go below this threshold. Hazards of low tire pressure: Increased friction coefficient with the road surface, leading to higher fuel consumption; Causes heavy steering and tendencies to veer, compromising driving safety; Increases movement in various parts of the tire, causing abnormal heating due to excessive rolling; Degrades the function of the cord and rubber, leading to delamination or cord breakage, and excessive friction with the rim causing damage to the bead area and abnormal wear; Multiplies the friction between the tire and the ground, sharply raising the tire temperature, softening the tire, and drastically reducing its strength. High-speed driving under these conditions may lead to a blowout; Increases tire body deformation, making the tire side prone to cracks, and generates flexing movements, leading to excessive heat, accelerating rubber aging, fatigue in the cord layer, cord breakage, and increases the tire's contact area with the ground, hastening shoulder wear.

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