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Too hot water in your car? The old driver teaches you these 5 tricks, and you don't have to go to the 4S store again!
The crux of the matter is: 1When the traffic is not smooth, the traffic is congested or the engine is idling for a long time, it will show that the water temperature of the engine is too high, the electronic fan works for a long time in high gear, and the engine increases noise, and the most obvious fault occurs when the temperature is too high and the air conditioner is turned on.
2.Because of the hot weather, when the air conditioner is turned on, the engine is unstable, the speed changes too much, and the emergency acceleration is very weak, and the engine has an unusual sound. 3.
After the hot car is turned off for more than ten minutes, it will be difficult to start the car again; When the car is driving, it is sometimes easy to turn off on its own while on the road. 4.When the car is cold, the refrigeration effect of the air conditioner is obvious, and the hot car is not obvious, and there will be a loud roar in the internal system of the air conditioner.
5.The clutch of the air conditioning compressor will be frequently suction and disconnected when the hot car is idling, and it will be disconnected in serious cases, resulting in the situation that the air conditioner of the hot car is not refrigerated.
Solution: Find a solution according to the cause, and it will be solved quickly. 1.
Check if there is too much dust between the condenser and the water tank, in order to ensure that the water tank and the condenser have a good heat dissipation effect, clean it thoroughly with high-pressure air. Kind tip: Dust between the condenser and the tank should be wiped frequently.
2.At the same time of hot car inspection, once it is found that the temperature difference between the upper and lower water pipes of the water tank is too large, then the opening of the thermostat and the speed of the water pump need to be further checked to see whether the fault of speed loss occurs.
Dismantling and replacement should not occur in the process of repair. 4.The engine waterway and water tank are blocked in advance, and the phenomenon of high water temperature is caused by the irregular addition and replacement of antifreeze.
Changing the antifreeze every two years and using original parts is a must when replacing and adding antifreeze. Hint: High water temperatures can also occur when water is added to the engine cooling system or when the concentration of antifreeze exceeds 60.
5.The reason for the phenomenon of increasing the load of the engine and consuming the heat dissipation performance of the cooling system is that the water temperature is too high and the high pressure at the high end of the air conditioning system is too high; Excessive filling of air conditioning refrigerant or air conditioning refrigeration lubricant; The self-adjusting function of the internal self-debugging air conditioning compressor is out of order.
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Depending on the situation, it doesn't have to be 4s
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No.
Under normal circumstances, the normal working temperature of the engine is about 90 degrees, which can make the engine have good power and economy, and at the same time reduce wear and extend service life.
The engine temperature is too high or too low, and the wear and tear will be intensified, and the power will decrease, especially if the temperature is too high, if the engine is easily damaged if it works at high temperature for a long time, and even the engine will be scrapped if it is serious.
Notes:
1. If the engine suddenly overheats during operation, you should first pay attention to the dynamics of the ammeter. If the ammeter does not indicate charging when increasing the throttle, and the pointer only swings back to the "0" position intermittently by discharging 3a-5a, it means that the fan belt is broken. If the ammeter indicates charging, the engine should be turned off and the radiator and engine should be touched with your hands.
If the engine temperature is too high and the radiator temperature is low, it means that the water pump shaft and impeller are loose, which interrupts the cooling water circulation; If there is not much difference between the engine and radiator temperatures, you should look for serious water leaks in the cooling system.
2. The temperature of the cooling water rises to boiling soon after starting, and the main valve of the thermostat falls off and is horizontal in the radiator water inlet pipe, which hinders the large circulation of cooling water. If the cooling water is found to be boiling during driving, it should be stopped immediately, and the engine should be run at low speed until the water temperature is normal, and then turn off the engine for inspection.
3. The cylinder gasket burns out, and sometimes it can also make the water tank overflow and discharge bubbles, showing the state of boiling cooling water.
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1. First of all, after finding that the water temperature is too high and stopping to the side, it should not be turned off immediately, because there are many reasons for the high water temperature, but there is probably only one fault each time, if all other functions are turned off, the water temperature will be too high, damaging the engine, the accurate approach should be to idle the park, open the hood, turn on the heater, dissipate heat as soon as possible, and pay attention to parking in a cool place. 2. Next, we have to check whether the coolant is sufficient, this situation is likely to be that the owner usually does not care about forgetting to add it in time, and it should be noted that the owner must choose the same brand and model of product when adding coolant, otherwise it may cause chemical reaction due to different components and lead to the failure of antifreeze. 3. Then, we are looking at whether the cooling fan is running normally, and the failure of the cooling fan will cause the heat generated in the car engine to be transferred to the antifreeze at high running speeds and not get timely heat dissipation, resulting in an increase in the temperature of the antifreeze.
If the fan is stuck or the insurance is burned, you can solve it as soon as possible after the power failure, if it is a line problem, it can only be handed over to the professionals of the 4S shop to overhaul. Extended Information:Car Radiator Function:
The function of the cooling system is to dissipate excess and useless heat from the engine, so that the engine can operate at normal temperature at all speeds or driving conditions.
The water tank is the heat exchanger of a water-cooled engine, which is cooled by air convection to maintain the normal operating temperature of the engine. Once the engine cooling water in the water tank boils and vaporizes and expands due to high temperature, and the pressure exceeds the set value, the pressure is discharged from the water tank cover (a), which causes the cooling water to decrease and prevent the cooling system line from bursting.
When driving, you should pay attention to whether the engine cooling water temperature gauge pointer on the dashboard is normal. In addition, if the engine cooling fan fails and the engine cooling water temperature rises or the cooling system pipeline leaks, the cooling water may also be reduced.
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Common faults with high water temperature are:
1. The antifreeze in the engine cooling system is missing, which may be the leakage point of the engine, such as water pump leakage, pipeline damage, water tank damage, etc.
2. The thermostat in the engine cooling system is faulty, resulting in too high water temperature. The temperature of the coolant was too high because the thermostat could not be turned on, which hindered the flow of coolant inside the engine.
3. The cooling fan in the engine cooling system is not working properly, resulting in poor heat dissipation of the coolant. So the water temperature light is on, causing the coolant temperature to be too high.
4. The water pump in the engine cooling system is faulty, and the water pump does not rotate smoothly, resulting in a poor flow of coolant, so the water temperature light is on and the coolant temperature is too high.
The above are common fault points, and the specific fault points need to be checked to determine the vehicle.
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If the water temperature of the car is too high, it may lead to the problem of the engine, and if the temperature is too high, it may lead to the high temperature of the water tank, so it is necessary to cool down properly.
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During the engine operation, the normal water temperature is usually around 90 degrees. If the water temperature is too high or too low, or the water temperature rises and falls rapidly, there will be problems, if the temperature is too high, do not turn off the fire first, but open the hood, tap water to pour the water tank, so that the water temperature drops quickly. Never twist the water tank to add the water cover, otherwise the hot water will spray out and burn people.
After the water temperature of the engine drops to normal, change the wet towel and slowly twist the lid of the water tank.
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There are many reasons for the high temperature of the engine: focus on checking the cooling system, antifreeze, fan, thermostat and other components.
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Clean the heat sink first, replace the antifreeze if it doesn't work, and then you have to overhaul it! Specifically, there is a problem with **.
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Hello, what is the problem with the high water temperature.
1. The water temperature is too high due to installation problems.
1) The distance between the water tank and the engine is too large, and the fan is outside the wind circle, which can be solved by adjusting the installation position of the water tank;
2) The air-conditioning condenser is blocked in front of the water tank, and there are two solutions: one is to change the installation position of the air-conditioning condenser if there is enough space in the engine compartment; Second, if the generator generates sufficient electricity, install an electric fan in front of the condenser.
2. The water temperature is too high due to use and maintenance problems.
1) The engine structure is compact, the corresponding waterway is small, in the southern region, soft water or distilled water must be added to avoid scale in the waterway; In the northern region, it is necessary to go to the maintenance station or regular repair shop to fill the first cooling (antifreeze) liquid to avoid cylinder head corrosion.
2) After the engine is drained with water, or the engine lacks too much water, the air in the engine may not be completely discharged after the first water filling, and if no measures are taken, it may cause air resistance and make the engine temperature too high. The solution is: after adding water, after running the engine for a few minutes, open the water filler cover and fill up the water again.
3) Gasoline can not reach the specified number (in principle, it is not allowed to be used) or the ignition time is in front, which can lead to engine detonation and make the water temperature too high.
4) Check the oil and water before leaving the car every day to make sure the water tank is full of water.
5) The fan belt is too loose, which can lead to high water temperature. The belt tension can be adjusted appropriately.
3. The failure of some parts may lead to excessive water temperature.
1) If the idle speed of the air conditioner is too low, which can lead to high water temperature, check whether the idle speed booster of the air conditioner is working normally;
2) The plane of the cylinder head is uneven, or the cylinder gasket is flushed, which can lead to high water temperature. The inspection method is: when the engine is cold, open the water inlet cover and start the engine, if there are bubbles gushing out of the water tank, it may be the problem.
3) Faulty parts of the engine cooling system (such as thermostats, water pumps, fan clutches, etc.) can lead to high water temperatures, and the corresponding parts should be checked and replaced.
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If the water temperature of the car is too high, it may be that the thermostat is damaged, it may be that the surface of the radiator tank is too dirty and affect the heat dissipation, or it may be that the electronic fan behind the radiator tank is damaged. When the water temperature is too high, check the thermostat, heat dissipation tank, electronic fan and other components.
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