What is the correct tire pressure? Is the tire pressure different in different seasons?

If the tire pressure is too high or too low, it is not conducive to the performance of the car. Only within the normal tire pressure range can the tire texture maintain a good working condition and provide a good grip. On the slippery or snowy road, we should pay more attention to whether the tire pressure is normal, which is the premise to ensure the acceleration and braking performance of the car, and it is directly related to the driving safety and can not be ignored. The operating instructions of each car will clearly indicate the tire pressure range suitable for the car, and the tire pressure of different models is different. Under normal circumstances, it is appropriate to keep the tire pressure of a car at around 2.5bar, but the corresponding values of different models will be different, and the tire pressure will be biased.

Tire pressure will not only affect the grip of the car, but also have a certain impact on the noise and fuel consumption of the car. For example, the tire pressure is too low, the wheel driving resistance increases, the fuel consumption increases, and the noise rises. In summer, we often advocate that the tire pressure should not be too high, because it is easy to puncture. In summer, many old drivers will also lower the tire pressure a little. Of course, this regulation has a certain scope and should be adjusted according to the provisions of the user manual. Too high tire pressure is easy to puncture, and too low tire pressure is easy to puncture. So winter is coming, do you need to adjust the tire pressure? When the temperature drops in winter, the tire pressure will also drop due to the influence of thermal expansion and contraction, so we need to replenish the tire pressure properly, otherwise the tire pressure will be too low, which will lead to increased sidewall deformation, damage or even puncture, and fuel consumption will be much higher. Under normal circumstances, adding 0. 1bar to the original car can basically keep the tire pressure within the normal range.

It is suggested that friends who plan to buy a car can focus on the configuration of tire pressure monitoring, which is also available on many entry-level models at present. It can let you know the tire pressure value at any time and greatly improve the safety of the car. We all know the principle of thermal expansion and contraction. When we used to pump up bicycles, our parents told us that the temperature was high in summer and we often basked in the sun. This tire can't be inflated too much, and it is easy to puncture. If inflation is too high, we should let out some air. Then our car has a fixed tire pressure value, which is more accurate. Is it easy to be affected by this temperature, and it is necessary to adjust the tire pressure according to the temperature at any time? The normal tire pressure of most of our cars is between 2.3 bar and 2.5 bar. This value is generally displayed on the back of the fuel tank cover of our car, and some models are marked on the C-pillar or B-pillar. According to different cars, manufacturers have different recommended values.

This is our standard tire pressure, so the temperature will definitely have an impact on the tire pressure value, but how big is the impact? Even now, the high temperature of more than 40 degrees in summer, the surface temperature of 60 degrees and 70 degrees, and the exposure all have an impact on the tire pressure of about 0.2. That is to say, even if our standard tire pressure is 2.5bar, the temperature impact will reach about 2.7bar. Is the tire pressure of 2.7 high? It's definitely not high, otherwise you can hear the sound of a flat tire at any time in the parking lot. Generally, the standard tire pressure marked on our car tires is conservative, that is, there will be room for fluctuation and a safe range, which is about 0.5bar~ 1.5bar, because our tires will not only increase the tire pressure due to temperature, but more importantly, our car will affect the tire pressure when it is fully loaded. After the tires of ordinary passenger cars in China are fully loaded, the tire pressure can reach above 3, which is 0.5 higher than the normal tire pressure of 2.5.