Only by the naked eye can not determine the problem 7 to teach you to extend the tire life of the car
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How can automobile maintenance improve the life of automobile tires? According to statistical data, in accidents on highways, the occupancy rate of accidents caused by punctures is more than 70%. From this we can see the importance of tire maintenance to the vehicle. Now let's talk about the seven taboos on the use of tires. I hope that all the owners of the owners should pay more attention to them.
1. Avoiding tire overload The structure, strength, and air pressure and speed of tires used are strictly determined by the manufacturer, and tires that do not comply with the standards and are overloaded will affect their service life. According to experiments conducted by relevant departments, tire life is reduced by 20% at 10% overload, and rolling resistance increases by 45%-60% at 30% overload, and fuel consumption will also increase. At the same time overloading itself is strictly prohibited by the law.
2. Avoid excessive tire pressure Each automobile manufacturer has special regulations on tire pressure. Please follow the instructions. Do not exceed the maximum value. If the air pressure is too high, the weight of the vehicle body is concentrated on the center of the tread, resulting in rapid wear of the center of the tread. When impacted by external force, it is prone to traumatic and even explosive tire tread tension, resulting in tread delamination and cracking of the tread bottom cracking tires. The braking performance reduces the vehicle's beating, the comfort is reduced, and the vehicle suspension system is easily damaged.
3. Avoid using the spare tire as a normal tire. In the course of using the vehicle, if you run 100,000 to 80,000 kilometers, the user will use the spare tire as a good tire and use the original tire as a spare tire. This is absolutely not allowed. Taken. Because the use of time is not the same, the aging of the tire is not the same, so it is very unsafe. The tires are on the road, and the owners usually change their spare tires. Some owners do not remember to change their spare tires. Don't forget that the spare tire is just a spare tire.
4, avoid tire pressure insufficient tire pressure will lead to tire overheating. Low pressure makes the tire's ground contact area non-uniform, tread or ply delamination, tread grooves and shoulder cracks, cord breakage, rapid wear of the shoulder area, shortening the service life of the tire, increasing the height between the bead and the rim The abnormal friction causes damage to the bead, or the detachment of the tire from the rim, and even the puncture increases the rolling resistance, increases the fuel consumption, and affects the handling of the vehicle, even causing serious traffic accidents.
5. Avoid judging by naked eye that tire pressure tires will lose 0.7 kg/cm2 of air pressure per month on average, and tire pressure will change with changes in temperature. The temperature will rise/fall by 10°C, and the pressure will increase/decrease by 0.07～ The 0.14 kg/cm2 air pressure must be measured when the tire is cooled, and the valve cap must be covered after the measurement. It is necessary to develop the habit of using a barometer to measure the air pressure. Do not judge it with the naked eye.
6. Avoid inconsistent left and right tire pressure. When the tire pressure on one side is too low, the vehicle will go to this side during driving and braking. At the same time, it should be noted that the two tires on the same axle should have exactly the same pattern specifications. Different manufacturers and different patterns of tires can not be used at the same time for both front wheels. Otherwise, deviations will occur.
7, avoiding the timely removal of tire foreign bodies in the car during the driving process, the road surface is very different, the tread pattern will inevitably be mixed with gravel, nails, iron filings, glass debris and other foreign objects, if not clear, a long time, in which Some of them will fall off on their own, but a considerable part will get deeper and deeper into the pattern. When the tire wears to a certain extent, these foreign materials may even puncture the carcass, causing the tire to leak or even puncture the tire.