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Is it normal for tire pressure to increase while driving?

1 Answers

MacVincent

07/29/25 7:45pm

This is a normal phenomenon. When the vehicle is in motion, friction between the tire surfaces and the road generates heat, causing the internal temperature of the tire to rise. As the gas inside expands, the tire pressure increases accordingly. What is the standard tire pressure: According to the international GBT2978-2008 standard, the recommended tire pressures for different types of tires are as follows: Standard tires: 2.4-2.5 bar; Reinforced tires: 2.8-2.9 bar; Maximum pressure: should not exceed 3.5 bar. Other related questions: Is a tire pressure of 2.0 bar normal? No, it is not normal. Per the GBT2978-2008 standard, the standard tire pressure for regular tires is 2.4-2.5 bar. A pressure of 2.0 bar is below the minimum recommended value, so it is not normal. What is the normal tire pressure in winter? — In winter, adjust the tire pressure slightly higher by about 0.2 bar based on the standard tire pressure. What is the normal tire pressure in summer? Generally, the lower limit of the standard tire pressure is sufficient. For example, the lower limit for standard tires is 2.4 bar. If the car is often parked outdoors, the tire pressure can be about 0.1 bar lower than the standard to prevent blowouts due to high temperatures.

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