Home Chassis At what temperature, Tosol and antifreeze boils and why. Why boil Tosol (antifreeze), and what to do? Why boil antifreeze in an expansion tank priory

At what temperature, Tosol and antifreeze boils and why. Why boil Tosol (antifreeze), and what to do? Why boil antifreeze in an expansion tank priory

But often the problem is able to eliminate on their own. As practice shows, in most cases the driver itself is to blame. After all, the cooling system must be regularly serviced. Let's figure it out in more detail with why antifreeze boils in an expansion tank, and how to fix the problem.

Engine cooling system

First of all, I would like to figure out how the engine is cooled in more detail. The system is generally not complicated, but there are some nuances in her work. It is necessary to understand that as soon as you launched the car engine, it is intensively heated. It contains special channels for which the cooling fluid under pressure circulates and takes part of the heat. The main elements of the cooling system: radiators, pump, thermostat, expansion tank cover (air valve), nozzles, etc.

The boiling point of antifreeze is greater than water. That is why it is used in modern cars. If you remember the course of physics, then we can conclude - the increase in pressure leads to an increase in the boiling point. Accordingly, the higher the pressure, the higher the temperatures will boil. But heavy operating modes (for example, standing in traffic jams) inevitably lead to a constant increase in pressure in the system. When it reaches a certain value, the air valve opens, thereby bothering excess steam into the atmosphere.

Regular maintenance

As noted at the very beginning of this article, the cooling system must be periodically checked for leaks, the state of antifreeze, the performance of the pump and thermostat. If this is not done, then there is a chance of a serious breakage and engine overheating. Overhaul - The event is not cheap, so it is not necessary to bring it.

Another important thing is the service life of antifreeze. It largely depends on its type. For example, G11 is desirable to change once a few years, and G12 + easily withstands about 5 years. At the same time there are recommendations of the manufacturer's plant to the type of coolant and the regularity of its replacement. Therefore, if you notice that it periodically boils antifreeze in an expansion tank, then it still does not mean any mechanical malfunction. It is possible that he just lost part of his performance characteristicswhy the boiling point dropped. Well, now we turn directly to the main problems and methods of their elimination.

Insufficient antifreeze level in an expansion tank

When the boiling temperature drops in the system. In most cases, the problem is solved by the usual plot. It is advisable to perform it on the cold. It is determined by the fact that at high temperature the fluid expands. Therefore, if you board the expansion tank to the "minimum" mark, while cooling the toosol system will become much smaller.

Actually, there is nothing complicated in the plot. We find the expansion tank and unscrew the cork. It can be as an ordinary plastic, which does not fulfill almost no function and hermetic. After we twisted it, pour the required amount of antifreeze. It is desirable that the level of antifreeze in the expansion tank be between the maximum and "minimum" marks. As for the reasons, due to which the level fell, they are only somewhat. It is likely that when servicing the system was not tosol. The second option is to leak.

Malfunction of thermostat

If you have noticed that it squeezes antifreeze from the expansion tank, it can talk about the encoding of the thermostat. The fact is that it works as a valve and has two positions: closed and open. In the closed position, the circulation on the system is carried out in a small circle. By a large circle, the fluid passes through the radiator, which contributes to its accelerated cooling. If the car is cold, the thermostat valve is closed, which contributes to accelerated warming power aggregate. When the engine is hot, the thermostat opens, and the coolant circulates through the radiators, where it is cooled by the flow of counter air or diffusers.

What do we get if the thermostat is crossed? There are two options: constantly boils antifreeze in an expansion tank to hot. This is due to the incorrect circulation of coolant. At the same time squeezes antifreeze from the expansion tank, since it is constantly expanding. This suggests that the valve jammed in a closed position. The second option - the car will warm up for a very long time. With any problems with the thermostat, it must be replaced, it is not too expensive to save on such a responsible part.

Radiator cooling and its malfunction

Designers at the vehicle creation stage are laid by specific data on the speed of moving antifreeze in the system. With time inner space The radiator is clogged with salts and sediment. This is not avoided, although the problem is simply eliminated by its own. Just when replacing the coolant rinse the system special meansthat will allow partially or completely removed the resulting precipitate. As a result, the coolant will pass faster in a circle and much more efficiently cooled.

At the same time, you should not forget about the radiator outside. Since it is installed behind the front bumper and is cooled by the incoming air flow, it is contaminated outside fast enough. The cells are clogged and the heat exchange is broken. Air does not pass through the radiator, which leads to the boiling of antifreeze in the expansion tank. The cells are purified by special detergent solutions under low pressure. It is advisable to not use the car wash, because the honeycomb can be brought.

Air valve fault

As we have already figured out, the plug of the expansion tank is a rather important element, although many motorists do not change it for the entire service life of the car. But here someone is lucky, because the valve can work regularly for a long time, and may fail for the year of operation or even less.

Check the cork on performance is quite simple. To do this, you must start the engine of the car and completely warm it. When an excessive pressure is checked in the system, the valve must work and unnecessary pressure will be reset. This can be understood by characteristic sound. In addition, the valve breakage will lead to the extrusion of antifreeze into the expansion tank. The cover is not subject to repair, so it must be replaced.

Fans cooling

Antifreeze temperature sensor is required not only to monitor the system status on the dashboard. It performs another, no less important feature. The sensor sends data on the on-board computer and when a certain temperature is reached, gives a signal to the launch of cooling fans. If, when moving at high speed diffusers are practically not needed, then in traffic jams they are simply necessary.

If something works incorrectly, the start of the fans does not occur, while often the sensor itself works normally. The problem may be in the cliff of the electrical circuit or the failure of the fuse. You can call the wiring both yourself and at the electrician for a hundred. After that, the problem should disappear. But first of all it is advisable to check the fuse. To do this, it is enough to install a new one. Less frequently, the relay comes out. On some models of cars not to buy it in a regular auto shop. In this case, as a temporary solution, you can set the jumper. But you need to understand that the fan will work constantly.

Break in the system

Antifreeze leak is the most common problem. Over time, the nozzles are breathed, microcracks appear on them. Also weaken fastening places to radiators and an expansion tank. As a result, a small leak appears first, which over time is only enhanced. If you do not remove the problem, then ultimately the nozzle can break. All antifreeze will turn out, and the engine will overheat if it is not noticed on time.

So that this does not happen, it is recommended to periodically change rubber pipes, inspect the status of the fasteners, etc. Also, the leak may appear as a result of the fault of the air valve. When there was too much pressure in the system, it was found weaknessThrough which the coolant goes. In this case, it is not clear how much to pour antifreeze, because its level will be constantly changed. It is advisable to determine how soon.

Water pump

The so-called pump is responsible for pumping the coolant on the system. Usually, the water pump is included in the set of gas distribution mechanism and changes according to the regulations. Therefore, it is desirable to install the pump that is new every 70-100 thousand mileage kilometers, in order to avoid problems.

But it happens that there is not enough money for the original pump. In this case, the drivers buy an alternative, most often a Chinese substitute, and then surprised why antifreeze boils. After some time, the pump gives leaking, which can lead to the destruction of its impeller and the ingress of plastic elements in the system of the power unit. Replace the faulty pump is expensive, but it must be done as soon as possible. It is not recommended to move on our own in this case. Cheaper to pay for the tow truck.

So we figured out the main causes of boiling and extrusion of antifreeze. As you can see, their huge amount. Often to identify and eliminate the problem is quite simple. But it is still necessary to observe a number of simple rules to help always maintain a motor cooling system in good condition:

  • regular replacement of antifreeze;
  • inspection of thermostat and air valve;
  • outside and inside when replacing antifreeze;
  • inspection of nozzles for defects in the form of cracks;
  • replacing the pump along with the timing set.

Actually, nothing complicated, as well as add antifreeze into the system. But at the same time, non-compliance with the manufacturer's recommendation can lead to more serious problems.

Let's summarize

When overheating the engine of the car, the power unit may not fail. It all depends on the duration of riding at elevated temperature and constructive features Motor. For example, the engine with an aluminum unit is afraid of overheating more than others. Therefore, such a motor most often encloses when the critical temperature is reached.

Many motorists know how to add antifreeze, but it does not save it. After all, it is possible to sleep sooner or later. As practice shows, serious breakdowns happen at the most inappropriate moment. Slow the nozzle can be on the track away from home, and even the plug of the expansion tank does not give any warranty. What to do in this case? The main thing is not to panic. If the motor was not overheated, then serious consequences have already been avoided.

In order for such troubles, it is necessary to comply with the manufacturer's factory recommendations. It is advisable to buy only original spare partsAfter all, in 90% of cases they are the highest quality. Here you know why the antifreeze is boiling in an expansion tank, and what to do if such a problem occurs.

Boiling coolant in car Engine Specifies to the complete inoperability of the system. This is pretty serious symptom Although the cause of boiling can be trifling. Nevertheless, the violation of the temperature mode of the engine can lead to the failure of the entire engine and the main nodes and the units. If Tosol boils with normal readings of the temperature sensor, immediately proceed with the search for a fault.

As is known, the booster temperature of distilled water is highly dependent on pressure.

We are accustomed that the normal water booster temperature is 100 degrees. Nevertheless, at atmospheric pressure below the norm, for example, 530 mm. RT. Art., Water will boil at a temperature of 90 degrees, and when heated to 70 degrees, water will boil under atmospheric pressure 250 mm. RT. st .. How does this relate to the VAZ-2110 engine and antifreeze?

One of the reasons for boiling antifreeze in an expansion tank is low pressure in the cooling system.

Directly. The fact is that the cooling system dozens should be hermetic and withstand a certain pressure.. This pressure is injected with a water pump, but is controlled by a banal lid of the expansion tank. Other methods of pressure control in the system are not provided. We smoothly approached the first reason for the boiling antifreeze in the expansion tank - low pressure in the system.

Main reasons

If you proceed from the fact that the cooling system is good, then there may be several options:


Preparation of concentrate

  • Usually the concentrate is bred with distilled water in proportion 50/50 . In this case, antifreeze will be frozen at temperatures -37 degrees , and boils at temperatures +105 degrees .
  • Proportion 65/35 Provide low freezing temperature (-70) and boiling temperature +110 degrees.
  • The maximum boiling point of the liquid will be achieved in proportion 80/20 In such a proportion, the liquid will frozen at -44 degrees, and boils with + 125-130 degrees.

Video How to Dilute Antifreeze Concentrate

Why is 90 degrees?

Consequently, if the temperature sensor is working, but boiling at 90 degrees continues, pay attention on the plug valve of the expansion tank and on the proportion of a mixture of concentrate and water.

Other reasons

In addition, engine overheating and antifreeze boiling can be caused by more serious breakdowns:

  1. Liquid leak through block head gasket . An unpleasant situation when the gasket is rummaged by straight into the lubrication system or the combustion chamber. At the same time, we do not observe the traces of leakage, but the level of antifreeze is rapidly falling, the engine is heated, the fluid boils. The main symptom is the smell exhaust gases from the expansion tank or antifreeze traces on oil probe And on the plug of the oil-tank neck. The output is one - replacement of the gasket, replacing the oil and filter, washing the engine and replacing antifreeze.

    Piercing cylinder head gasket may cause antifreeze boiling.

  2. Fan . On the VAZ-2110 engines, the radiator cooling fan must be started at a fluid temperature of +105 degrees. It starts the signal electronic block The engine control, which in turn receives the pulse from the temperature sensor. If the sensor is faulty and issues incorrect data, the fan will not start and the antifreeze will boil. When searching for a malfunction you need to check both the temperature sensor itself and the fan engine efficiency. We clic down both wires on the sensor if the fan does not start, it is subject to replacement. If it starts - the sensor or the computer firmware is to blame.

    When searching for the reasons for tosol boiling, check the cooling fan engine.

  3. Airlock . It may occur when the cooling system is deployed and the air drops. Air can also be in the system due to the frequent boiling antifreeze. The air array does not give circulation of fluids in a complete circle, so overheating and boiling liquid is inevitable. It is possible to fight in several ways to fight this, but it is possible to most effectively remove the air plug by disconnecting the nozzle from the throttle node when the engine is running. The throttle assembly is the highest point in the engine and there, as a rule, is assembled entire air.

    To remove the air traffic jam, you need to disconnect the nozzle from the throttle node when the engine is running.

  4. Cheap antifreeze . Fluids of poor quality on an ethylene glycol basis, especially ready for refueling, not concentrates, are diluted with water by the manufacturer. No one can ensure that the proportion of water and the concentrate is correct, and the concentrate itself is high-quality. That is why savings on the coolant can lead to overheating of the engine and boiling antifreeze.
  5. Cooling radiator . The slaughtered cells of the radiator outside and inside strongly reduce the heat transfer of the radiator. In any case, check the state of the radiator surface does not prevent ever. In addition, the radiator is strongly scored from the inside you can rinse in several ways.

    The slated cells of the radiator can also cause the booster of the coolant.

  6. Thermostat . The stiring thermostat valve or the valve triggering at an irregular temperature will also lead to a violation of the fluid circulation. If when heating the engine to 85-90 degrees, the thermostat valve will not work, the liquid will not circulate along a large circle and will surely boil. Check it simply - if the temperature is critically growing, check the temperature of the lower nozzle of the radiator. He must be hot, which speaks of the correct operation of the thermostat.

    Check the thermostat for performance.

  7. Condition of antifreeze . The loss of properties of inexpensive antifreeze occurs in about 1.5-2 years of operation. Changing color, suspension, liquid sinking indicates that additives no longer work and the system can boil already at 90 degrees. When replacing antifreeze, a flushing of the cooling system will be necessary.

conclusions

After studying the condition of the engine and its parts, as well as the condition of the coolant, it is possible to easily detect the reasons for the boosting of antifreeze and overheating of the motor. Watch out for the cooling system regularly and good all roads!

The reasons why Tosol boils in the expansion tank of the engine cooling system, several and all of them are associated with the malfunctions leading to the engine overheating. The main device that regulates the temperature of the coolant is thermostat. And if it fails and its valves are jammed in a position, forcing the cooling fluid to circulate only by a small circulation circulation, without letting it be cooled in the radiator, then natural toosol will boil, and its pairs through the valve in the roof of the expansion tank will be pulled out under the hood of the car.

Check the performance of the thermostat It is quite simple, for this you need to open the hood and feel the two hoses with hand, which supply and remove the cooling fluid from the radiator. On a warm-up to the operating temperature, the engine hose Supporting coolant to the radiator should be noticeably hotter than the hose that takes Tosol about the radiator to the engine.

The engine overheating, resulting in Tosol boils, can become radiator cooling system. The reasons for which the radiator does not fully perform its function, three. The first reason is to clog the core of the radiator mud, which reduces the amount of air passing through it. The second reason, deposits on the inner walls of the tubes through which the cooling fluid passes, scale, and this reduces the thermal conductivity of these tubes, which causes insufficient Tosol cooling. The third reason, movement at a low rate, which causes an insufficient to cool the stream of air through the core of the radiator.

Zakpyut Tosol in an expansion tank can and because of not enough effective work pumps Or as it was called it in the old days, the water pump. This is especially true of those engines, where the pump shaft receives a torque separately from the gas distribution mechanism. In this case, the reduction in the frequency of rotation of the pump shaft may occur as a result of the weakening of the tension drive beltWhat causes its slippage, and this, in turn, reduces the rate of circulation of fluid in the cooling system, causing it overheating.

The cooling system in the car is one of the main peripherals, which provides normal work Engine. Tubes with antifreeze pass through the most dangerous to overheating the engine location, as well as connected to the stove of the cabin, which makes the system multifunctional and very important for the normal operation of the car. Think that the stove is not so important elements Comfort and general operation opportunities? Try to drive in a 20-degree frost without it. You obviously feel all the delights of such an operation and can accurately understand how important this element is in the car. But the stove is only part of the cooling system. The main parts of its work are the thermostat, nozzles for which the coolant circulates, as well as the radiator for cooling antifreeze or antiforms.

If one of these items work incorrectly, the cooling system malfunctions are possible. Such problems will lead to the fact that the engine will overheat, the pistons will change the size due to the expansion of the metal when heated, friction will increase significantly, and the engine simply fails. It is important to notice overheating on time to eliminate this process and remove all risks. own car. That is why on dashboard In any car, information has been informed about what the temperature of the coolant is currently. Let's look at what problems lead to the fact that the car can boil.

Cooling system malfunctions - the main causes of the problem

If the machine starts to throw, first it is necessary to check good job All the subtleties of the cooling system. It is enough to form an air plug in the radiator so that the liquid overheats and did not perform the necessary cooling tasks of the power unit. Therefore, in most cases, the system malfunctions guilty is that the car boiled. Check primarily need active elements of the system that are the main actors of this system. In modern cars, the check should be carried out in such devices:

  • thermostat - If the thermostat does not open a large circle of the coolant run, which includes the main radiator, the car will constantly overheat and quickly gain the temperature, the car will be boiled in the tenth minute after the engine is started;
  • radiator fan - the fan should be included in cases where the temperature of the liquid reaches the working, on different cars This value is set in different modes, in most cases they boil machines due to fan malfunction only in traffic jams or other complex operating modes;
  • the radiator itself is often the radiator turned out to be scored or punched, it cannot perform his tasks properly, also curved plates and physical damage to the radiator are an important detail of its malfunction, with the problems of this part, the boil fluid in the cooling system is provided;
  • cooling system nozzles - these parts should also be checked if the car suddenly boiled, it is possible that one of the pipes leading to the radiator or from it will be shifted and does not miss a sufficient amount of coolant, then the system will overheat.

These are the main aspects, due to which in most cases a car boils. They are connected in most precisely with the hardware part of the car, and the majority of problems can be fixed enough cheaply. If you, of course, have to buy a thermostat and change it on the service, spend a lot of money, but the result will be rapid and impeccable. Your car will go again normally, will not complain to the sensors to the high temperature of the coolant or in general block the operation of the engine using the capabilities on-board computer. If the car is not equipped with these elements, it is quite possible to join the hot engine or its rapid wear due to increased friction.

Engine Problems - Another coolant boiling option

If you poured high-quality fluid into the cooling system, checked the health of all the elements of the system, it worked normally to this car, but now the liquid starts to throw in any situations, it's time to check the engine. Perhaps the details have changed their position, which causes too strong friction and significant heating of the unit during its operation. In this case, it is best to use help specialized service. Most likely, you will find in the engine one of the following very difficult problems:

  • minor deformation of certain parts in the engine system, which caused the increase in friction due to changes in the position of working moving elements inside the power unit;
  • significant wear piston groupthat causes uncontrolled friction of parts, large gaps between the walls of different elements, only overhaul will help save these symptoms, and on some auto replacing the engine;
  • problems in the gearbox, which significantly increases the load on the engine, in particular, problems in such situations are to blame problems that force the engine to experience an additional load for turning the elements of the box;
  • constant heavy loads on the power unit, transportation of a significant amount of cargo, as well as transportation of trailers, which is not provided by the features of operation, violation of the modes of carrying capacity of the machine;
  • engine work on increased turns For a long time, for example, if you forgot to switch the transmission on the track and accelerated on a low, pressing the pedal to the floor more and more.

Engine overheating is sometimes a normal consequence of not too reasonable acts of the driver. It is better to prevent such situations, as well as monitor the health of the power unit in the car system. This will allow for a long time to remove all the troubles associated with overheating, boiling and other problems. It should be noted that if you spend normal on the regular plan created by the factory, and also make a certain diagnosis of all important aggregates, then such problems can be avoided. Also worth constantly adhere to certain operating conditions of the machine, without violating the recommendations that the manufacturer gives.

Problems with the coolant itself - the third boiling option

Another way to force the car is boiled - pouring some unknown fluid into the cooling system. Sometimes it is enough to buy a strange junk jar with a horrific color with liquid and an inscription antifreeze without special identification signs to force the car to boil. Problems are also possible if the amount of toosol or antifreeze is less than provided by the manufacturer. In the coolant tank there are labels that need to be taken into account when operating a car, but the fluid level can only be measured on a cold car. The main problems with antifreeze may be the following:

  • leakage of fluid somewhere in the system, the presence of leaks through which part of the antifreeze left, and now the liquid is heated much faster and starts to boil when you continue the operation of the car in complex modes;
  • also, if the level of antifreeze fell below the throat of the expansion tank, it is possible to form additional aerial traffic in radiators, which complicates the passage of fluid in the system;
  • the quality of antifreeze or antifreeze determines the likelihood of fluid boiling in certain situations, on a good machine, high-quality cooling fluid will never boil;
  • forging the usual antifreeze or antifreeze to you - a certain risk of buying a fake is present in any store, except for the official service center with spare parts supply directly from manufacturers.

Buy antifreeze in those stores or service centers that guarantee its high quality. This is a very important point that will determine the quality of the operation of the car in the near future. Important execute proper preparation car to summer and winter season operation. When preparing it is necessary to take into account important moments, such as cooling system and its work, the quality of all technical fluids, as well as the health of the important aggregates of your car. Only this will ensure normal operation and will not make you think why the car boiled. See a small video about what to do if the car overheats:

Let's sum up

The boiling of the car is an obvious problem that needs to be addressed immediately. Holders of high-quality Japanese or german cars It is known that even an increase in engine operating temperature by several degrees can cause a certain discomfort for the power unit. Interestingly, it increases fuel consumption, reduces the return and power of the engine, reduces its resource and does not differ good anything good. An extremely important remark is that it is relevant not only for expensive and functional, technological machines. VAZ also loves the exclusively clear temperature of the engine.

If boiling the power unit has begun in your car, it is worth performing all the above procedures, check all the aggregates and systems that can be involved in this. Most likely, you are dealing with these faults. However, options are possible. The machine can also be boiled due to its functional features or too old age. These are the features of increasing degrees in the cooling system of your car. Have you ever encountered a cooling fluid overheating problem in a car?

The main function of Tosola is the cooling of the car engine. Due to the fact that Tosol freezes at -40 ° C, and boils at 108 ° C, it can be used in winter timeand in summer. If the toosol during operation begins to lose its color or becomes black or brown, then there is a loss of its cooling properties.

Why Tosol boils in an expansion tank

Boiling toosol in an expansion tank may be caused by one of the following reasons:

  • There is not enough toxol in the expansion tank. According to the instructions, Tosol must be poured at the level between the "minimum" and "maximum" marks. But it is impossible to exclude the likelihood of the presence of holes in the expansion tank through which the coolant and leaves. In this case, you need to immediately eliminate the flow and pour the required amount of Tosol
  • The cooling system is notching, which leads to the absence of the desired pressure. But it should be remembered that the holes on the plug of expansion tank do not belong to the platforms, as they are made specifically in order to get rid of overpressure in the tank itself
  • Faulty engine cooling fan. It is typically, as a rule, for modern models of cars in which electric fans are embedded. The device of this system is nothing complicated: when Tosol is gaining a certain temperature, a special sensor is turned on, which activates the fan operation. After the fan cools the liquid to a certain minimum, the sensor disables it. If for some reason the fan does not work, then Tosol begins to cry. Check the operation of the fan will not work: when the temperature of fluid temperature is achieved in a hundred degrees, you need to watch the fan operation. If it does not turn on, then to find a fault, you must connect the wires connected to the fan sensor. In the case when the fan did not start working after connecting the wires, there is a breakdown of the electric motor. With this status, the entire fan is subject to replacement or an electric motor. If the fan still worked, the fault is in the temperature sensor
    Zakipel Tosol - we understand the reasons
  • Liquid boil occurs in the expansion tank and due to the formation of air tube in the cooling system. The air layer does not allow toosol to circulate, which leads to overheating. Such a malfunction takes place, as a rule, when replacing Tosola. To eliminate this problem, you need to install the vehicle on the hillock, the front part to the top. Next, you need to remove the radiator cork and turn on the motor. It should be pressed several times on the gas pedal, and at this time compress the coolant nozzles. The procedure must be made to the complete disappearance of bubbles. Next you need to pour the missing Tosol volume into the container
  • Tosol does not meet specifications. This reason occurs when buying a low-quality liquid, which is diluted, as a rule, water. Due to the fact that the boiling point of water is lower than the boiling point of antifreeze, the incorrect operation of the cooling system of the car
  • Loss of the properties of the cylinder block. Due to the burning of the gasket, the tightness of the cooling system can be broken vehicle. This problem can be diagnosed in the following way: Motor turns on, the car should be moved from the place. In the event that at the beginning of the movement of the car, air bubbles appear in the tank, then the gasket has fallen. Malfunction is eliminated by the replacement of the gasket
  • Other malfunctions in the cooling system of the car. These include the following reasons: poor-quality water pump, radiator contamination, lack of normal air flows. The last reason takes place when the fan is running on the water pump. The lack of a special casing can lead to the fact that Tosol begins to boil in the expansion tank. If the fault lies in the improper operation of the water pump, it should be replaced. A contaminated radiator should be thoroughly rinsed. After washing, the engine is usually cooled better
  • The incorrect operation of the thermostat also leads to an increase in Tosla temperature. In this case, the valve remains closed and the cooling fluid passes only a small circle. To check the thermostat, it is necessary to measure the temperature of the nozzles located on big Circle Liquid movement. If they do not heated, then the thermostat is faulty, and it is necessary to immediately replace it
  • Tosol lost its cooling properties and requires replacement. As a rule, with this position, Tosol changes its color

What needs to be done when engine overheating

Diagnose engine overheating is very simple: it will show the arrow of the coolant state pointer. If the exceeding the normal temperature of the engine has a place to be, you need to immediately stop the car and make a stop by setting the emergency pointer.

  • It is necessary to open the hood of the vehicle to increase the engine cooling rate
  • You can not open a radiator cork or an expansion tank. This can lead to burns and other injuries.
  • You can not pour the hot engine with ice water, as a sharp temperature difference can cause cracks, which will entail expensive repair
  • Do not perform any actions until the cessation of boiling. Only after that you need to carefully open the expansion tank and pour Tosol to the desired mark
  • After that, get the car and check the cooling system. In the event that the engine temperature code very quickly reaches a maximum, then you need to move exclusively by cable. If the temperature rises slowly, then it is possible to get to the service or to the garage where they will be done necessary work By eliminating a malfunction

The effects of boiling toosol in an expansion tank

In total, there may be three versions of the engine of the boiling of antifreeze:

  • Weak engine overheating
  • Medium overheating engine
  • Strong overheating of the engine

Weak overheating is characterized by a short-term operation interval at elevated temperature. This is the most prosperous version of the development of events, as the consequences will not, most likely noticeable. Especially if the car is new.

Medium overheating is characterized by the operation of the engine at high temperatures for a longer time.

Consequences, B. this casemay be as follows:

  • Break of hoses and cooling nozzles
  • Flow in cooling radiator
  • Shrinkage of piston rings and as a result increased flow Oil
  • Leather oils through the glands

Strong engine overheating can lead to a more difficult situation. Sometimes there is an explosion of the engine as a result of overheating.

But without this, the consequences can be heavy:

  • Melting and burning pistons
  • Crying cylinder heads
  • The appearance of cracks on cylinder heads
  • Destruction of partitions between rings on engine pistons
  • Exercise gBC pads
  • Destruction of valve nests and so on

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