Why the engine eats oil: reasons, what to do, it eats oil, but does not smoke

Symptoms and characteristics of oil leaks

Checking the oil level

There are three main symptoms that can help you understand why your engine is burning oil. Firstly, there is a constant noticeable decrease in the proper level of lubrication, which is checked with a special oil dipstick. Secondly, the presence of dark puddles on the asphalt under the engine compartment of the vehicle after long and not so long periods of downtime. Thirdly, the presence of blue smoke in car exhaust. However, a situation is possible in which the engine eats oil but does not smoke.

It is a mistake to think that oil leaks are only typical for older cars. Of course, the largest percentage of problems occur precisely on those vehicles that have traveled more than one hundred thousand kilometers. Problems most often arise due to loss of wear resistance of parts subject to the greatest force overloads, or due to inappropriate vehicle maintenance. Untimely replacement of consumables or complete neglect of this procedure can cause a large loss of lubricant.

The likelihood of encountering excessive oil consumption on new cars increases when they fall into the hands of service technicians who do not have sufficient experience and proper qualifications in such matters. By the way, incorrectly selected viscosity of fuel and lubricants can also cause increased consumption. But let's talk about everything in order.

Owner reviews

Life tests

:

• Autoreview magazine during life tests of the Lada XRAY with a 1.8 liter engine in 2016 (it took 5 liters per 10,000 km);
• magazine "Behind the Wheel" (over 2500 km, the oil level of the Lada Vesta with a 1.8 liter engine dropped from the middle to below the minimum level).

It is noteworthy that during the life tests of Vesta, no increased oil consumption was noted on the 1.6-liter engine.

Survey

among owners of Lada Granta, Lada Kalina, Lada Priora. Engine 1.6 l:

Survey

among owners of Lada Vesta and Lada XRAY. Engine 1.6 and 1.8 l (link to survey):

Your reviews on oil consumption on LADA car engines

leave it in the comments.

Also follow the topic “Have oil burns been cured on the 1.8 engine”

Keywords: Lada Vesta engine | lada xray engine | lubrication system for Lada Vesta | Lada Xray lubrication system | AvtoVAZ order

1 0 0 0 0 0

Share on social networks:

What parts “help” the oil escape?

There are several weak points in the motor system that can contribute to the problem we are considering. When an engine consumes oil, the reasons may be the following:

Oil scraper rings

• cylinder block walls. High vehicle mileage or incompetent care can cause serious wear and tear on the cylinder block walls. A similar problem also occurs when the engine runs for a long time on coked oil scraper rings. Hardened particles scratch metal surfaces and wear them thin. As a result, active oil leakage begins through the holes formed.
• oil scraper rings. They are installed at the base of the piston and do not allow excess protective layer to penetrate into the combustion chamber. If the rings fail, the engine consumes large quantities of oil, and the reasons for such a leak lie in constant overheating of the engine and coking of the rings themselves. Overheating can occur due to low coolant levels or due to prolonged operation of the engine at high speeds. The use of low-quality lubricant protection can cause the formation of solid particles - coking - on the moving mechanisms of the installation. Deposits will impair the tightness of the structure, as a result of which oil will begin to penetrate into the combustion chamber. There, mixing with the fuel mixture, it will evaporate through the exhaust system.
• valve stem seals. Their task is similar to that of the above-mentioned rings with the only difference being that they are located on the valves. They also begin to leak oil into the working area when their wear exceeds the permissible level. Coking and overheating are the main causes of element wear.
• valve cover gasket. Each removal of the valve cover must be accompanied by a mandatory replacement of the gasket. Moreover, its size and shape must clearly correspond to motor parameters. Incorrect installation of this element will cause leakage of the oil material and its increased consumption.
• cylinder block gasket. A similar problem can occur here too. Moreover, in this case, oil can leak out in two ways: along the outer shell of the engine or inside the cylinder block. The second case is characterized by mixing of the protective material with the coolant and the formation of white foam. In addition, a problem may be indicated by a regular decrease in the oil level and exceeding the permissible volume of antifreeze. To correctly diagnose a breakdown, you need to look into the coolant barrel: if there is an oil stain there, it’s time to change the cylinder block gasket.

Malfunctions: causes, elimination

Like all internal combustion engines with mechanical adjustment of valve clearances, the 11186 engine requires periodic adjustment of this characteristic. In addition, during operation, characteristic “diseases” of this particular version of the power drive were identified:

stuck piston rings

replacement of consumables knocking wear of pistons, bearings replacement of parts

When repairing piston and crankshaft engines, it is recommended to use original components from the AvtoVAZ manufacturer. Because only he uses special technologies for strengthening structural materials. From third-party companies, the metal may be “raw”; the resource of such consumables cannot be analyzed.

When there are no visible symptoms of a leak

There are situations where the cause of impaired engine oil consumption does not lie in worn parts:

1. If you fill your engine with oil whose viscosity does not meet the manufacturer’s requirements, you can be sure that problems will manifest themselves sooner or later. The fact is that the automaker selects the right substance through lengthy tests. Essentially, it makes it easier for drivers to buy the right fluid and save money. If the lubricant is too viscous, the engine will have difficulty turning the crankshaft, experiencing severe overload. Overloading will cause the need to burn more fuel mixture, which means that savings in this case are not appropriate. If the film is too liquid, some of the elements, and maybe the entire system, will work without the proper level of protection. This is fraught with serious overheating of the system, rapid wear of working mechanisms and increased leakage of oil fluid.
2. The engine consumes oil with an aggressive driving style. And the reason for this is not a violation of the tightness of the system or wear of operating mechanisms, but the expansion of metal elements when overheated. At the moment of a sharp start, the engine begins to actively pump oil through the system, but for this it requires more effort. Great efforts lead to sudden overheating of the elements and their subsequent expansion, and here it is already quite clear why the protective lubricant ends up in the combustion chamber.

Engine Specifications

We fix problems

Scheme for studying motor oil labels

If you notice that the engine is eating oil, and the reasons for this are wear of valve stem seals, rings, structural gaskets or abrasion of the walls of the cylinder block, then immediate replacement of these elements is required. Timely car maintenance will allow you not only to save money by preventing serious major repairs, but also to diagnose other possible problems with the engine system or the car as a whole in the early stages.

When selecting the right automotive lubricant, always rely on the manufacturer’s recommendations. Under no circumstances should you pour liquid under the hood whose viscosity prohibits the use of the car manual.

In addition, if you want to achieve economical fuel consumption, avoid sudden starts and braking. Of course, the instantly increasing power of the engine increases adrenaline in the driver’s blood, but in the car it causes overheating and active consumption of technical fluids. If you cannot give up extreme driving, then do not be surprised that oil consumption will be many times higher than the standards established by the manufacturer.

Engine hr16de-h4m

The HR16DE-H4M is a powerplant jointly produced by Nissan and Renault. AvtoVAZ received permission to produce this power unit in Russia in 2022.

The engine not only has a number of advantages over the previous ones, but also has disadvantages. The main advantage of the HR16DE-H4M is its undemandingness regarding the type of fuel. The car will drive great both on the AI-95 and on the cheaper AI-92. The manufacturer also did not dare to install an unreliable belt and decided to install a strong chain.

https://youtube.com/watch?v=AhJzuJ6mWuM

The main disadvantage is the lack of hydraulic compensators. This is inconvenient, because every 100 thousand kilometers you will have to adjust the gaps. The HR16DE-H4M is not equipped with AMT - only a CVT and manual transmission.

It was also noticed that foreign-made engine mounts for LADA Vesta wear out quickly, which causes knocking and noise.

What should you keep in mind?

If you want to extend the life of your car, you need to take very good care of it. First, you should avoid questionable workshops. Garage experts undoubtedly have some experience in the field of vehicle maintenance, but their knowledge is limited to a small number of car brands. In addition, no one will give you a guarantee for their work, and it will be difficult to prove the involvement of a false craftsman in the event of a serious breakdown.

Comparison of motor oil viscosity

It is best and most economical, of course, to do all the work on the car yourself. This way you will have a complete understanding of the condition of the vehicle and the quality of all liquids poured into it. In addition, when doing the work for yourself, you will not install new parts anyhow, but will do it conscientiously.

If the engine consumes a large amount of oil, but you do not have the opportunity to diagnose the car yourself, what should you do in this case? Take the car to an official representative. Only there will he receive proper help.

Analysis of the characteristics of the VAZ 21129

This engine is installed on the Lada Vesta and works with both a manual transmission and a robot. Has the following technical characteristics:

And finally

Now you know why the engine has oil. Timely diagnosis of the problem allows you to protect yourself from serious breakdowns in the future. In other words, if you find that the oil is leaving very quickly, immediately look for the reason for this. Regular topping up won't eliminate the leak, but it will put a significant dent in your pocket.

Also remember that you need to check the oil level regularly. At least once a week. And if you recently carried out a vehicle inspection, then even two or three times a week. A simple incorrect installation of the drain plug can leave the entire engine in a defenseless state.

Oil consumption for Lada Priora 126 engine

Lavr ML-202 for starters

To be honest, it's bullshit, it doesn't help.

Something broke, but it doesn’t look like oil in the cop.

looks like an over-rich mixture. loose light coating from oil

began . sofa decokers pulled up..

Decarbonization is very similar to the magic of Suprotec

The magic is simple: either it will get better, or nothing will change. It won't get any worse anyway. Well, if you don’t worry too much about the 280 rubles spent. and half an hour of time.

that this is a standard oil burner for a 126 engine

.overhaul the engine at 100 thousand.

Dmitriy_NMSK

The 126th engine normally pumps 15 atm (kg) minimum compression. Oil and can reach 18 atm, the well-known accordion how at first the compression meters were turned off on prior engines.

Added after 2 minutes 32 seconds:

Was there burnt oil on the spark plugs? You can shine a flashlight on the pistons, into the spark plug holes, and look at the carbon deposits.

Was there burnt oil on the spark plugs?

cruel. rebuild the engine at 100 thousand.

I invested mine at 80k and sharpened the block. oil consumed 2 liters per 1000

I found a Jonessway screw-in compression tester at home. This was the first pleasant surprise. The second surprise is much more unexpected. Having used the tool for its intended purpose, interesting numbers emerged. The engine pumped 16.5-16.2-16.2-17.1 kg/cm2

I had 16-16-16-17 and was eating oil like crazy. the pistons were hanging around a lot, scuffing, etc. had to invest

Source