The engine emulsion: possible causes and consequences. Diagnosis and repair of engine

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2020-01-17 23:00:13

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Masters, who professionally support the car, suggest to change oil every 10 thousand kilometers. However, even if these recommendations are followed, motorists see that engine in the emulsion. The consistency is similar to mayonnaise. This composition leads an experienced car owners, and beginners in a real shock. This slurry can have different colors. What it is and how dangerous an emulsion? The answers to these questions we will consider in our today's article.

Emulsion – what is it and where does it come from?

Lubricants for automotive engines, which can be purchased in any shop, is made on the basis of hydrocarbons. In the combustion process of the combustible mixture formed in the combustion products. Gasoline may contain water, alcohol, acid, peroxide. Then these substances in the process of operation of the motor mixed with the oil. As a result – in the engine the emulsion. She appears on the cover fillers or dipstick for checking lubricant level. engine emulsionMany are interested in the reasons for the formation of the emulsion on the cap and on the dipstick. It can be simply explained. Due to the large number of small bubbles, the emulsion becomes white. This suggests that the oil is very dirty. Also the dipstick and cap – the coldest elements of the engine. So the muck builds up perfectly on these elements.

Emulsion in the engine; causes

A Seasoned car owners, and people involved in car maintenance, say that there are many reasons for the formation of the emulsion. Often these white mixture can be formed when Carter hits the coolant. This can be seen if broken head gasket cylinder. how much does a engine overhaulIn addition, if formed emulsion in the engine oil, check cylinder head and block. In these parts there may be cracks. One of the reasons why Carter gets the coolant is deformed elements of the cylinder head. In winter, the emulsion occurs due to the condensate.

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Also "mayonnaise" in the motor may occur if no ventilation system is gas or it is insufficient. The temperature of the crankcase gases is high enough. Their composition includes water in large quantity. This water then falls out of the condensate at the top of the power unit. And as a result - appearing emulsion. engine priceTo determine the exact causes of all so terrifying "mayonnaise" we need a serious engine. The price for such services is much lower than the cost of major engine repair. To determine the causes can be quite difficult.

But, as practice shows, the reason lies in the punched strip the cylinder head. So the antifreeze or antifreeze can easily penetrate into the lubricant channels. There he will mix with the engine oil. I must say that if the coolant gets into the lubricating system, the latter will immediately lose all the features. Experts recommend to replace both oil and coolant. This is true for any power units regardless of fuel type and design.

"Mayonnaise" occurs in the engine of any car, if the owner neglects the rules and not servicing the machine or if there is any serious damage. Often with the appearance of the emulsion face autumn and winter – at the first frost and just lowering the temperature. But do not immediately hit the alarm – not every time the desired engine. The price for it in different cities of Russia, ranging from 800 p. and above. Often, the cause of all – an ordinary condensation formed due to temperature difference between hot engine and intake air. emulsion in the engine the consequencesWhen the engine is sufficiently warmed up, all the moisture from the oil will go. But some will accumulate, and eventually the neck will appear the emulsion. This disease affects many models of cars. Including ‘gazelles’.

Consequences

When the engine oil includes condensate, water, coolant, obtained by the emulsion in the engine. The consequences of lubricant very quickly lose their lubricating properties and specifications. In winter, the oil sometimes even kristallizuetsya, which affects the operation of the power unit. Weak oil film leads to rapid wear almost every detail.

In such cases, the engine will jam, and then the owner of the car learns how much the overhaul of the engine (from 20 thousand rubles). So if you were able to notice the emulsion, you should find the reason and to eliminate it immediately.

Condensate

This is a problem faced by the car owners that keep them in the garage. Also emulsion see those motorists whose car is in the yard. If the car every day, sleeping in the street, in the rainy months, Carter regularly will get a pair of moisture. They will then condense in the pipes and oil lines. At one time in the motor can get up to several grams of condensate. This is enough to appear in the engine emulsion. emulsion in the engine oilThe Bubbles are clearly visible not only on the filler cap, but on the dipstick. In the winter, car owners will often observethe effect of "mayonnaise”. If the vehicle is operated continuously and intensively, but at short distances, the engine is banal has not time to warm up to operating temperature. This is yet another reason due to which the condensate appears. To treat the problem of longer runs or warm-up to operating temperature.

A flaw in the system of crankcase gases

If the vent system is clogged and performs its functions is not completely, and the gases and vapours along with them, will seek to enter through the probe, or any other place in the engine. It is not surprising that the engine of the emulsion falls on the cap cover. Have to rejoice, because the grease in this case clean. If you fix the crankcase ventilation system, and oil change would not be necessary.

Coolant

This is the most common source of problems. emulsion in the engine causesWhen passing the coolant through a damaged head gasket, cylinder block, cooling fluid under high pressure enters into the oil channels. In the lubrication system pressure is much lower.

Diagnostics

To check the oil is drained from a warm engine capacity. In heated oil, even an inexperienced car owner will be able to see traces of coolant. If the antifreeze contains a lot of water, most of the liquid will fall to the bottom of the crankcase. Then the slurry will be absorbed into musopriani. If the emulsion is yellow, then the operation of the machine it is better to be. The mixture will clog oil passages. This will lead to the failure of the connecting rod liners, piston rings. Can fail the engine valve.

Cracks in the cylinder head and break pads

If the emulsion on the cap cover, it is often the causes of this phenomenon in violation of the integrity of the head gasket of the engine block. The breakdown happens due to overheating or due to wear. But it can only be seen on older motors that were not cared for. The main indication that the gasket is broken – an unstable operation of the engine. You may notice that the antifreeze out from the reservoir. engine valveAlso, often there are cracks in the cylinder head and the engine block. The reason – the freezing of the coolant often – to poor quality antifreeze. You need to constantly check the temperature sensor coolant. One should not pour into the expansion tank or the radiator with plain water. It will remain inside the system even if you drain all the coolant. Then the water will freeze. As a result, cracks are formed in the channels. In addition, the engine may be damaged in the winter due to icing of water.

Water in the crankcase

This issue can be resolved only if you completely replace the oil. It is also better to perform the washing of motor specialized fluids. The situation when water is leaking into the cylinder very rare. This can only happen on engines with broken rings. Perhaps guilty of a worn engine valve.

Conclusion

So we found out where the motor appears in the emulsion. If the owner doesn't want to know how much is the overhaul of the engine (from 20 thousand RUB.), you will need to service the motor. Do not ignore this symptom.


Article in other languages:

AR: https://www.tostpost.com/ar/cars/20726-the-engine-emulsion-possible-causes-and-consequences-diagnosis-and-rep.html

BE: https://www.tostpost.com/be/a-tamab-l/38337-u-ruhav-ku-emul-s-ya-magchymyya-prychyny-nastupstvy-dyyagnostyka-ramon.html

DE: https://www.tostpost.com/de/autos/37926-im-motor-emulsion-m-gliche-ursachen-und-folgen-diagnose-und-reparatur-.html

ES: https://www.tostpost.com/es/coches/37700-en-el-motor-de-emulsi-n-posibles-causas-y-consecuencias-diagn-stico-y-.html

HI: https://www.tostpost.com/hi/cars/22367-the-engine-emulsion-possible-causes-and-consequences-diagnosis-and-rep.html

JA: https://www.tostpost.com/ja/cars/20345-the-engine-emulsion-possible-causes-and-consequences-diagnosis-and-rep.html

KK: https://www.tostpost.com/kk/avtomobil-der/38749-oz-alt-yshta-y-emul-siya-y-timal-sebepter-men-saldary-diagnostika-zh-n.html

PL: https://www.tostpost.com/pl/samochody/40322-w-silniku-emulsja-mo-liwe-przyczyny-i-konsekwencje-diagnostyka-i-napra.html

PT: https://www.tostpost.com/pt/carros/39963-no-motor-de-emuls-o-poss-veis-causas-e-conseq-ncias-diagn-stico-e-repa.html

TR: https://www.tostpost.com/tr/arabalar/35199-motor-em-lsiyon-olas-nedenleri-ve-sonu-lar-tan-ve-onar-m-motor.html

UK: https://www.tostpost.com/uk/avtomob-l/39131-u-dvigun-emul-s-ya-mozhliv-prichini-nasl-dki-d-agnostika-ta-remont-dvi.html

ZH: https://www.tostpost.com/zh/cars/37685-the-engine-emulsion-possible-causes-and-consequences-diagnosis-and-rep.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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