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The heat dissipation capacity of the engine is relatively reduced, which makes the lubricating oil thinner and reduces the lubrication quality, aggravates the wear of the surface of the moving parts, and easily leads to the sticking of the cylinder, the piston ring stuck, the pot is opened, and the cylinder is pulled.
When the ambient temperature is below zero, the water in the cooling system will turn into ice, and the parts of the cooling system will be in danger of being expanded and cracked.
Automobiles, trains, diesel locomotives, tractors, ships, engines, water tanks and various mechanical equipment, diesel engines, gasoline engines and other cooling systems are used as coolants. It has a variety of functions such as anti-freezing, anti-boiling, anti-corrosion, and waterproof. Like water, it has the advantages of high specific heat, high latent heat of evaporation and convenient replenishment.
Extended Materials. 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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The lack of water in the cooling system will cause the engine water temperature to be high, which will have a great impact on the engine. A frequent lack of water indicates a leak in the cooling system, or a slight punch in the cylinder mattress.
Long-term water shortage is very harmful to the engine!
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First, the reason for the lack of water in the water tank:
1. Leakage of water pipe joints and pipes themselves, pipe replacement or reinforcement sealing;
2. There are cracks in the cylinder block, the cylinder head gasket is not tight or damaged, and water stringing occurs;
3. The sealing ring of the oil radiator is damaged or there is a sand hole, resulting in water stringing;
4. The water tank cover is not tight;
5. There is water leakage in the warm air water tank;
6. There is water leakage in the tee;
It is not normal to be dehydrated all the time.
It is possible that the coolant temperature is too high and the system is starved of water. The leaking coolant can be seen from the front of the engine. Or the pump is locked, which will cause damage to the timing belt, resulting in piston top valves and other related components.
Look at the leakage when parking or the leakage when the hot car, some water tank trachoma does not leak when parking, and it is difficult to check if the hot car is sprayed out in the form of a mist.
Check the hose of the water tank and the hose of the kettle, and glue all of them if they can't.
You drain all the water and add antifreeze to see if there is any lack of water! This method is very good, if you are missing, you will change the cylinder head gasket, and you will definitely rush! In addition, I look at the color and condition of the engine oil!
You can check it, and if you still can't find a specific reason, you still go to a repair shop to see a pro.
I asked a question and I couldn't find it when I went to the Xiuli shop.
Question: Before the car stopped, the fan had to rotate for more than a minute, but now that the engine is off, the fan stops immediately.
There is no Jiangling 4S store in this county.
Your analysis makes sense, thank you.
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Water is generally replenished once a year. If it is more than two times, check whether there are any traces of water on the outside of the engine, and check whether the warm air tank is leaking. If not, it is possible that the cylinder bed was flushed and the water was drained from the cylinder. Check if there is water in the oil. Look at the exhaust gases.
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Check if there is a water leak to prevent damage to the engine.
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Hello, I am helping you to inquire about the relevant information and will reply to you immediately.
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Summary. Hello, I am your exclusive technician, attentive, careful, dedicated to answering your car questions, for you to find the corresponding problem solutions and solutions! The lack of water in the tank is caused by the poor sealing of the lid of the auxiliary kettle.
1.Covered with water without cover, if the seal is not tight. After the engine heats up, it expands with the water and then flows out.
Over time, there will be less and less water in the tank. 2.In addition, if the thermostat cannot be opened, the pressure in the waterway is too high, which will also cause backwater to come out.
Hello, I am your exclusive technician, attentive, careful, dedicated to answering your car questions, for you to find the corresponding problems in the solution and solution! The lack of water in the tank is caused by the poor sealing of the lid of the auxiliary kettle. 1.
Covered with water without cover, if the seal is not tight. After the engine heats up, it expands with the water and then flows out. Over time, the water in the tank will become less and less.
2.In addition, if the thermostat cannot be opened, the pressure in the waterway is too high, which will also cause backwater to come out.
The thermostat is still not working.
After the thermostat is removed, check the sub-kettle if you still turn over the water. If there are bubbles in the auxiliary kettle all the time, it means that the cylinder gasket needs to be replaced.
That is a secondary kettle, fill up a tank of water and run for about 50 kilometers to run high temperature and lack of water.
If there is no leakage, check the upper and lower water pipes first. If the upper and lower pipes of the tank are as hot as they are, then it is very hot. It's the headliner.
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The lack of water in the water tank may be caused by the damage of the water tank, for example, the BAI cylinder of the water tank is cracked
If the lines cause water leakage, then this situation will occur while driving. Look at the leakage when parking or the leakage when the hot car, some water tank cold car parking does not leak, the hot car is foggy spray is difficult to check, check the hose of the water tank, the hose of the kettle of each connection, if not all glued. Drain all the water and add antifreeze to see if there is any lack of water.
If it is lacking, change the cylinder head gasket, and it will definitely be rushed. In addition, the color and condition of the engine oil are abnormal.
It should be noted that the car water tank is an important part of the car engine heat dissipation, if there is a problem with the water tank, resulting in the engine can not dissipate heat in time, it may cause very serious wear and tear to the car. Once the water tank is short of water during driving, it should be checked and replenished in time.
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Hello! The repair shop checks to see if the water has gotten into the engine.
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Hello, the water temperature is too high, it is recommended to use an instrument to check to see if it is a problem with the water temperature sensor or temperature control switch.
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What's the deal with the constant lack of water in the car's radiator? The premise is that the tank is not leaking.
1. Frequent lack of water means that there is a leak in the cooling system, or the cylinder mattress has a slight capacity for the punch.
2. The coolant temperature may be too high, resulting in a lack of water in the system. The leaking coolant can be seen from the front of the engine.
3. The water pump is locked, which will cause damage to the timing belt, resulting in the piston top valve and other related parts.
4. The cylinder gasket is flushed (air or waterway), mixed with engine oil or discharged from the exhaust pipe.
5. Water tank leakage.
6. Water-cooled air compressor, air leakage caused by air leakage of steel pad of air compressor.
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1. Leakage of water tank or water hose 2. The water channel and airway at the cylinder gasket are perforated.
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1. The lack of water in the vehicle water tank will cause the engine to damage its internal components due to the high temperature of the hall, and in serious cases, the engine will be scrapped. The automobile engine must be moderately cooled in the high temperature working environment to keep it at a suitable temperature to meet the requirements of good working performance, durability and exhaust emissions of the engine. 2. The water in the car water tank is generally replaced every two years or every 3 to 40,000 kilometers, and the vehicle with high frequency should be replaced in advance according to the situation.
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The reasons for the frequent water shortage of automobile water tank are: 1. There is water leakage in the cooling system or a slight punch in the cylinder mattress; 2. The coolant temperature is too high, resulting in water shortage in the system, and the branch can see the leakage of the leaking coolant from the front of the engine; 3. The cylinder gasket is mixed with the engine oil or discharged from the exhaust pipe; 4. Water tank leakage; 5. Leakage caused by air leakage of steel pads of water-cooled air compressors and air compressors. The function of the car Pusher water tank is:
Excess and unwanted heat is dissipated from the engine, allowing the engine to operate at normal temperatures at all speeds or driving conditions. The symptoms of lack of water in the car water tank are: 1. The water temperature gauge of the dashboard is raised; 2. The function of the air conditioning and heating system is insufficient or there is no heating; 3. The engine temperature is too high.
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What is the manifestation of a lack of water in the car's radiator If the car is short of water, the dashboard will light up a warning light to alert the driver. Once you open the hood, you can see the coolant expansion tank, which has a minimum tick mark and a maximum tick mark. If the coolant level is below the minimum tick mark, the preparation indicates a lack of water.
At present, all automobile engines are water-cooled, and they rely on the continuous circulation of coolant to take away excess heat. The coolant in a water-cooled engine is generally antifreeze coolant, which is commonly known as antifreeze. Antifreeze coolant guarantees that it won't freeze in the winter when the temperature is cooler, and the volume of the liquid expands after freezing, which can cause damage to the cooling system.
In normal use, if there is a lack of coolant, the engine temperature will be too high, which may seriously lead to cylinder pulling or bearing ablation. When there is a lack of coolant, you should stop driving and open the hood to cool the engine. When there is a shortage of coolant, tap water cannot be used instead of coolant.
Tap water contains minerals, which can be reduced to limescale when heated, which can cause clogging of the engine cooling system. If you need to temporarily change the coolant with water, you must use distilled water. The coolant should be changed every two years.
If it is not replaced after a long period of use, impurities will be generated in the coolant, and the freezing point will be insufficient. During normal maintenance, the freezing point of the coolant can be checked, and if the freezing point is insufficient, it is recommended to replace it immediately. Millions of car purchase subsidies.
The main reason for the formation of carbon deposits is insufficient combustion, which is related to driving habits, driving conditions, and fuel quality. Carbon deposits can form on valves, combustion chambers, pistons, injectors, and spark plug components. When the engine has a lot of carbon deposits, the engine will have the following symptoms: >>>More
It is best to use distilled water.
Introduction: 1. Special water tank water or qualified antifreeze must be added to the car water tank. >>>More
The water tank is made of aluminum or copper metal, the valves in the water pump are also made of iron, and the engine waterway is made of cast iron, even if it is an aluminum alloy engine, the metal and water will have a certain oxidation effect, and the aluminum or copper in the water tank is very thin (conducive to heat dissipation), if there are no proper anti-rust measures, once the metal is oxidized (rusted), the water tank may break from the oxidized (rusty) place. And too much rust will also block the waterway, once the pressure is too large, there will also be the phenomenon of bursting, the boiling point of water is about 100, but compared with the working temperature of the engine, it is obviously much lower, more than 100 will begin to boil and vaporize, the cooling water pipe thus produces bubbles, hinders the flow speed of water, and reduces the efficiency of the cooling system, and even the water pressure is too high to appear the phenomenon of bursting pipe. The freezing point of the water is 0, the frozen water tank water loses the characteristics of heat dissipation, and the lubrication of the water is insufficient, and the long-term use will make the water pump wear, if there are bubbles and even accelerate the water pump wear and tear failure. >>>More
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