Why is the tire pressure low on rainy days?

1 Answers
OHazel
07/30/25 6:33am
Reasons for low tire pressure on rainy days: If the tire is damaged or the valve seal is not tight, causing air leakage, it will lead to a decrease in tire pressure; If the tire rim is deformed, it will affect the sealing performance, resulting in lower tire pressure; If the vehicle frequently exceeds the specified load weight, the rear tires will experience different forces compared to the front tires. Hazards of excessive tire pressure: The friction and adhesion of the tire will decrease, affecting braking performance; It can cause steering wheel vibration and deviation, reducing driving comfort; It accelerates localized wear of the tread pattern in the center of the tire, shortening the tire's lifespan; Increased body vibration indirectly affects the lifespan of other components; It causes excessive stretching and deformation of the tire cords, reducing the tire's elasticity and increasing the load on the vehicle during driving; Puncture resistance decreases. When encountering sharp objects like nails or glass on the road, they can easily penetrate the tire, and the impact may cause internal cracks or blowouts, leading to a tire burst. Hazards of insufficient tire pressure: The friction coefficient with the road surface increases, leading to higher fuel consumption; It makes the steering wheel heavy and prone to deviation, creating unsafe driving conditions; It increases the movement of various parts of the tire, causing abnormal heat due to excessive rolling; It reduces the functionality of the cords and rubber, leading to delamination or cord breakage, and excessive friction between the rim and the tire, causing damage to the bead area and abnormal wear; The friction between the tire and the ground multiplies, rapidly increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may cause a tire burst; It increases tire body deformation, making the sidewalls prone to cracks and causing flexing movements, leading to excessive heat, rubber aging, cord fatigue, and breakage. It also increases the tire's contact area with the ground, accelerating shoulder wear.
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