Do you need to open the hood of your car to cool off after driving continuously without resting?

Updated on Car 2024-07-03
19 answers
  1. Anonymous users2024-02-12

    If you drive continuously without resting, you don't need to open the hood of the car to dissipate heat. Because the car is water-cooled, as long as there is water in the water tank for the engine to dissipate heat, and the car has a systematic heat dissipation system, opening the hood for heat dissipation is tantamount to this move. It is worth noting that for your driving safety, both the car and the driver need to drive the vehicle continuously for 4 hours and rest for 20 minutes.

    Here's what I had before, and I'd like to share it with you.

    I remember that in the early days when I was a novice driver, I also committed the same ridiculous thing, I remember that it was a person who went on a business trip to the province, a person trembling and driving the car on the highway, before getting on the highway, there was no inspection of the car, after driving for three hours in a row, I felt very tired, so I drove the car to the service area, after a break of ten minutes, when I began to get ready to go, I felt that the front hood was still very hot, so I lifted the hood to dissipate heat, and people coming and going in the service area would look at me twiceThere was a maintenance shop staff, walked towards me quickly, enthusiastically asked me about the situation of the vehicle, I also said more directly, I put the hood up to dissipate the practice, but the maintenance man smiled and said to me: "Brother, the car does not need to dissipate heat like this, it has its own heat dissipation system." So, he checked the tank for me and asked me to fill it with two bottles of water.

    I was still a little puzzled, and then I looked up the relevant information on the Internet, and suddenly it dawned on me, and I felt that what I was doing was a bit excessive.

    After that experience, I gradually began to understand some common sense problems of the vehicle, the car is not as "fragile" as we imagined, but as a machine, long-term operation and use, it must be harmful and unprofitable, for their own driving safety, both the car and the driver need to rest, but it is not necessary to lift the hood to dissipate heat. Hope it helps.

  2. Anonymous users2024-02-11

    Not necessarily. Cars have their own heat dissipation system and methods, as long as the high temperature warning lights are not lit, there is no need for artificial heat dissipation.

  3. Anonymous users2024-02-10

    I think that if you drive continuously without resting, you need to open the hood of the car to dissipate heat, because if you don't dissipate heat for a long time, it may cause a breakdown.

  4. Anonymous users2024-02-09

    Yes, long-term driving will bring great wear and tear to the car and reduce the service life of the car. The correct way to do this is to park your car on the side of the road, turn off the engine, open the hood, and dissipate the heat.

  5. Anonymous users2024-02-08

    Driving for a few hours has become the norm in our lives. As we all know, cars need to be repaired after they are bought home. Do I need to lift the hood to dissipate heat when I stop for a break?

    Running at high speed for hours on end. Do you want to open the hood to cool down the engine when you are resting?

    Needless to say, the importance of the engine is the heart of the car, which exists like the human heart. The engine runs mainly on burning fuel, so working for a long time can produce high temperatures. Under normal circumstances, it is about 90 degrees, and the temperature of the exhaust system will be higher.

    Boiling water is also above 90 degrees, which will scald off people's **, so this temperature is very high for people. And if you run down at high speed, the temperature will become higher on this basis. So when stopping to rest, some drivers open the hood when they think about whether to dissipate the heat from the engine.

    In fact, there is no need for this practice, let alone deliberately doing it. The engine has a thermal management system that acts as a heat dissipator. Is it clear to everyone?

    It's not just that. When the punch starts cold, it needs to heat up quickly, and the coolant will continue to circulate in the engine, and the temperature can be heated up. When the temperature reaches the right operating temperature, the thermostat automatically turns on, allowing coolant to flow through the radiator at the front of the car.

    At this time, with the cooperation of the cooling fan, the temperature will naturally drop.

    And the whole process can be completed in a few seconds, so when the engine high temperature alarm is not alarmed, your car cooling system is running normally, and there is no need to open the hood to manually cool the engine at this time. In addition, when the engine is spinning at high speeds, the temperature may not be very high. Probably because the efficiency of the engine is relatively high.

    When the fuel burns quickly at will, a large amount of heat is converted into the kinetic energy of the car, and the engine does not have high temperatures.

    This process can basically be achieved in a few seconds, so if your car's cooling system is normal, as long as the engine temperature warning light is not on, we don't have to care. In addition, although the engine is running at high speeds, the temperature may not be very high. If the engine is efficient and burns quickly, all the heat of the fuel is converted into kinetic energy, and the engine hardware will absorb less heat.

    In addition, at high speeds, a large amount of air flow reaches the engine through the air intake grille, and these air flows can also take away some of the heat. Conversely, when driving in urban areas, the engine will be hotter, so the cooling fan will start frequently. What do you think about this?

  6. Anonymous users2024-02-07

    Normally, the engine will overheat "fever."

    Is it? I can only say that you are really heartbroken about this, you know, the working environment of the engine is usually about 100 degrees, plus there is coolant inside the car, and the operating temperature inside the cylinder of the engine will reach thousands of degrees. There may be many car owners who doubt that with such a high temperature, the engine will not be heated to strike?

    The machine does not know tiredness, do not use people's subjective feelings to figure out the machine, the engine does not need you to "prevent heat and cool down" for it. Conversely, maintaining a stable operating temperature for a long time can help reduce engine wear, which is why taxi engines tend to last longer than private cars.

    According to the structure of the engine cooling system, the engine cooling system is composed of a water tank, a fan, and antifreeze, and the current engine is basically based on aluminum cylinder block, and the heat will naturally evaporate part of the aluminum cylinder block, and then the exhaust pipe will be discharged part, and the remaining heat is taken away by the continuous circulation of antifreeze inside the engine.

    According to engine antifreeze.

    At the cooling temperature, antifreeze can reduce the temperature inside the engine to 105 degrees Celsius.

    Within, the boiling point of antifreeze is about 200 degrees, which can also be a way to cool down the engine, and finally it is reduced by the fan of the radiator, and at the same time, according to the internal parts of the engine, the temperature of its own heat resistance can reach about 300 degrees, so from these aspects, as a high-speed driving basically does not need to open the engine cover to dissipate heat.

    The car has no problem running at high speed for hours or even a dozen hours. As long as the engine cooling system is okay when the vehicle is running at high speeds, the temperature will not exceed the normal temperature. The speed of the car is also a great help to cool down.

    There is no need to lift the lid to breathe. Just don't turn off the engine immediately when you stop and let the vehicle idle for a while. If there is a problem with the car's cooling system, the coolant may leak, and the engine temperature will be too high.

    Therefore, don't forget to pay attention to the instrument data at all times when driving the vehicle, so as to keep abreast of the vehicle's condition in time.

  7. Anonymous users2024-02-06

    No, you don't. Now the car engine itself is equipped with a cooling system, which automatically cools down as it stops, so there is no need to open the hood.

  8. Anonymous users2024-02-05

    There is no need to open the bonnet, the car has a systematic cooling system, you just need to take a break after driving for a while, you can take a break from the car to the side of the road, there is no need to open the bonnet.

  9. Anonymous users2024-02-04

    No, the car has plenty of space for heat dissipation, and it will automatically dissipate heat after parking, and there is no need to open the engine cover.

  10. Anonymous users2024-02-03

    In fact, there is no need for this practice, let alone deliberately doing it. The engine has a thermal management system that acts as a heat dissipator. So if your car's cooling system is normal, as long as the engine high temperature warning light is not on, we don't have to care.

  11. Anonymous users2024-02-02

    1. Usually the car is driving on the highway for a long time, in fact, there is no need to stop and open the engine cover to dissipate heat, because the current car already has its own heat dissipation function, so there is no need to use manual way to solve the problem.

    The previous cars were technically flawed, so there really wasn't enough to solve the problem of heat dissipation for the engine. But now the automotive industry has been very leading, basically can ensure that all cars can drive at high speeds for a long time, there will be no big problems, and there will be no continuous engine heating.

    state, unless you have a huge problem with the vehicle itself. So there's no need to stop and open the hood to dissipate heat, as that's a redundant way to do it.

    Second, the car is driving on the highway for a long time, if you need to open the engine cover to dissipate heat, you can't stop on the highway anytime and anywhere, and can only do it in the service area.

    Everyone knows that it's impossible to stop casually on the highway, and even if you want to open the hood to cool down, you can't just do it, so it's best to abandon the idea. If you really want to solve this problem, you can only go to the high-speed service area for a while to turn on the engine to cool down. But with the power of modern technology, basically all vehicles don't have this problem, so there's no need to do something meaningless.

    Third, there is no problem with cars driving on the highway for a long time, but people's energy is limited, according to the current oneTraffic rulesYou have to take a break every 4 hours of driving, and this doesn't cause the bonnet to heat up.

    If you drive at high speed and follow the traffic rules, there will be no problem of engine heating. Basically, if you run for 4 hours, you can go to the service area to rest for a while, so that the car can also rest for a while, which can solve the problem of opening the engine cover to dissipate heat, and will not cause the car to drive on the highway for a long time.

  12. Anonymous users2024-02-01

    There is no need, because this will damage some structures inside the engine, after a long time of driving, just park the vehicle in a relatively cool place and let it dissipate heat on its own.

  13. Anonymous users2024-01-31

    It is necessary, and it is very necessary in the summer, so that the engine does not wear out, and at the same time it also increases the service life of the car.

  14. Anonymous users2024-01-30

    It's completely unnecessary, because driving on the highway is very fast, and the car behind is also very fast, if you specifically turn on the engine to dissipate heat, the impact is not good, and it is also very dangerous.

  15. Anonymous users2024-01-29

    It is necessary to help the car have a good buffer time, and it can also make the car last longer without anything dangerous happening.

  16. Anonymous users2024-01-28

    It is necessary to open the hood to dissipate heat, but it should not be opened at high speeds. Instead, it should be done when it is safe to park in a safe area before cooling down.

  17. Anonymous users2024-01-27

    Of course it is necessary. Because the car runs for a long time, its engine will be very hot, so you should stop it and slow down.

  18. Anonymous users2024-01-26

    Socio-economic development is getting faster and faster, and the highway is also convenient for our lives, many people like to drive from the highway, which can not only save their own time, but also improve their efficiency, which is also very beneficialIf the car has been running at high speed for two or three hours, there is no need to stop and open the hood to dissipate heatBecause we all know that when driving on the highway, the car is guaranteed to have a relatively balanced heat dissipation time, so there is no need for the car to dissipate heat, but we need to pay attention to the fact that if people feel tired, they must rest, because the machine does not feel tired, but people do get tired, I hope everyone can know this.

    1. Why is it said that the engine heat dissipation will be better when driving at high speed?

    Because there will be a lot of natural wind when driving at high speed, the heat dissipation window poured in from the front grid is installed behind the partition fan, which can greatly improve the heat dissipation speed of your vehicle, so the heat dissipation of the heating machine will be better when riding at high speed, which does not have the problem of stopping and resting in time, I hope everyone can at least this.

    2. Why is riding a bicycle not afraid of heat?

    We all know that the role of the engine of a car is to convert fuel energy into kinetic energy, and a certain amount of heat will be generated in this conversion process, but there is one. The important system of public security is the cooling system, as long as the cooling system does not have problems will not overheat, I hope everyone can know this, at the same time we need to pay attention to the fact that in life we must check the vehicle in time before getting on the highway, so as to better avoid the danger.

    3. What should be paid attention to when driving at high speed?

    We all know that everyone is very relaxed when driving on the highway, because there are relatively fewer cars on the highway, but this is not right, we should be vigilant, only careful driving can better protect our lives.

  19. Anonymous users2024-01-25

    It is not necessary, and this behavior will affect the normal operation of the engine, and may also affect the stagnation of the vehicle, affecting the normal passage of the road.

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