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The temperature is high in summer. Can the car handle long hours of high-speed driving?

Source:

Wondee Autoparts


In summer, the temperature is high. After running on the highway, if a person stands near the front of the car, they can clearly feel that the entire front of the car is very hot, and the engine will inevitably become even hotter. Some people are worried that when driving at high speeds for a long time, t

In summer, the temperature is high. After running on the highway, if a person stands near the front of the car, they can clearly feel that the entire front of the car is very hot, and the engine will inevitably become even hotter. Some people are worried that when driving at high speeds for a long time, the high engine speed will inevitably generate a lot of heat. Can the car tolerate it? Should we give the car a break at regular intervals?

 

long hours of high-speed driving (1)

 

Most of the drivers with this problem are novice drivers who drive new cars and take good care of them. Let's directly say the answer. If the vehicle's cooling system is not faulty, it can be driven normally without any incorrect operation. Long term high-speed driving is acceptable, and there is no need to worry about overheating. The car's heat dissipation relies entirely on the cooling system. When the engine temperature is high, a large cycle is carried out, and the coolant is dissipated through the water tank before flowing into the engine to cool it down. Although high engine speeds generate more heat during high-speed driving, the cooling system's heat dissipation pressure increases. However, the airflow through the water tank is also large, and the cooling effect of the coolant is better. Even high-speed fans do not need to be turned to achieve good heat dissipation conditions. That is to say, the heat generated by the engine can be completely dissipated by the cooling system without causing the engine to overheat. It can also be seen from the water temperature gauge that no matter how long you drive on the highway, the water temperature does not rise. As long as the water temperature is not high, it means that the engine temperature is not high, and there will be no problem driving for a long time.

long hours of high-speed driving (2)

There are two prerequisites here, one is that there is no problem with the cooling system. The air flow at the water tank is large, which can ensure that there is no problem with heat dissipation, but the cooling system is in a continuous high circulation state. If there is a slight problem with the water pump or too much scale in the water channel, it will cause the coolant to flow poorly. There is no problem with heat dissipation during low-speed driving, but there may be problems with heat generation during high-speed driving, leading to an increase in water temperature. The second is that there are no erroneous operations during normal driving. When driving at high speed, the highest gear is used, and the engine speed is not very high. At a speed of 120km/h, it is only about 3000 rpm, and some cars are even lower. At this speed and speed, there will be no problem with heat dissipation. However, if you don't shift to the highest gear and use fourth or third gear to reach 120km/h, the engine speed will be very high, reaching 4000 or even 5000 revolutions per minute. This unreasonable driving style is unbearable for the engine over time. Firstly, the water temperature will definitely increase, leading to a decrease in various engine performance. Secondly, the wear of the engine will also intensify.

long hours of high-speed driving (3)

No matter what environment you are driving in, no matter how hot the weather is, just pay attention to the water temperature of the car. If the water temperature is normal, there is no need to worry about engine overheating. If the engine really overheats, the water temperature will inevitably rise as well. On the contrary, if the water temperature is too high, there may be problems with the cooling system and the engine temperature may also be too high, so it is necessary to take regular breaks. If the water temperature is about to reach the red line, you cannot continue driving.

long hours of high-speed driving (4)

In addition to the water temperature, overheating tires should also be taken seriously when driving on highways in summer. Prolonged high-speed driving can also cause high tire temperatures. If the tires are not aged or injured, there is no problem. If the tires are aged or injured, and the temperature is too high after driving for a long time, the probability of a tire blowout will also increase. Generally speaking, how often to take a break after running depends not on whether the car can handle it, but mainly on the driver's condition. If the driver feels tired and tired, they should take a break. In summer, it is recommended to enter the service area every two to three hours at most, and the rest time does not need to be too long. It only takes a few minutes.

 

From: WONDEE Autoparts 2023-12-28

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