Every 6th driver cleans his windows, every 22th controls the oil level, but only about every 40th checks tire pressure. Regular monitoring is particularly important that the correct pressure has a significant influence on the comfort, durability, handling and fuel consumption.
Underinflation of 0.2 bar increases the fuel consumption of 1% to 10% and reduces the life of the tire. If under-inflation is 0.6 bar, fuel consumption even increases of 4% and the life of the tire down nearly 50%. And between 7 and 14% regarding trucks.
In other words, measure the tire pressure every time you fill up, not forgetting the spare wheel!
At high speeds, a lower pressure of 0.3 bar to the specified value increases the temperature of the tire to more than 120 degrees: overheating and tire blowout do not wait!
You will find those information prescribed by the car manufacturer in the operating instructions of the vehicle and the valve of the tank or on the rail of the door pressure.
Measure and correct pressure exclusively on cold tires. The pressure must be the same on both front wheels and the two rear wheels. There may be a gap between the front axle and the rear axle, for example in case of pressure at full load when a break is heavily loaded at the back (see “Inflation pressure at full load”). The valve caps must be tight, because they protect the valve from dust and dirt and thus ensure its tightness.
Correct pressure is important for safety and improves the grip, comfort, road noise, stability, cornering and reduced braking distance.
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