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Is it safe to drive with a tire pressure of 2.0 bar in summer?

1 Answers

Ann

07/29/25 3:53pm

It is not safe to drive with a tire pressure of 2.0 bar in summer. According to the international GBT2978-2008 standard, the standard tire pressure for regular tires is 2.4-2.5 bar. In summer, the tire pressure should generally be at the lower limit of the standard tire pressure, which is 2.4 bar. A pressure of 2.0 bar is significantly below the normal range and therefore unsafe for driving. Hazards of low tire pressure: Increased friction coefficient with the road surface, leading to higher fuel consumption; Heavier steering wheel and increased tendency for the vehicle to drift, posing safety risks; Increased movement of various parts of the tire, causing abnormal heat due to excessive rolling; Reduced functionality of the cord and rubber, leading to delamination or cord breakage, excessive friction with the rim causing damage to the bead area, and abnormal wear; Exponentially increased friction between the tire and the ground, rapid rise in tire temperature, softening of the tire, and a sharp decrease in strength, which may result in a blowout during high-speed driving; Increased deformation of the tire body, prone to sidewall cracks, and the generation of flexing motion, leading to excessive heat, accelerated rubber aging, fatigue of the cord fabric, and cord breakage, as well as increased tire contact area, accelerating shoulder wear.

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