Oil change intervals. How often do you change the engine oil in your engine? Changing the engine oil what is the mileage

Every car owner knows that in order for the car to work properly, its systems need to be serviced from time to time.

First of all, the old, used oil is replaced. This procedure requires adherence to a certain frequency. Every driver should know how often to change the oil in a car engine. Careful attention to the motor significantly prolongs the operation of the entire system.

Better to change the oil periodically than to repair or purchase new engine... This is one of the most expensive car systems. When and how to change motor oil? The advice of experienced auto mechanics will help you find the answer.

Why change your oil?

To understand how long it takes to change the oil in the engine, it is necessary to delve into the question of why this is generally needed. Engine lubricants serve a number of important functions. First of all, they protect moving elements from mechanical destruction and abrasion.

During the operation of the engine, carbon deposits form on its parts, and dirt accumulates. Quality engine oil collects soot particles and keeps them suspended. This makes it possible to facilitate the operation of the motor mechanisms.

If you do not change the oil in the engine for a long time, contaminants accumulate in the lubricant and begin to settle on the working surfaces of the mechanisms. This complicates the functioning of the system, causing the destruction of parts.

Another important purpose of consumables is to protect all mechanical elements of the system from corrosion. Without high-quality lubrication, the engine will not be able to work for a long time and fully.

Oil types

Exists different kinds lubricants for the motor. They must be selected correctly for each vehicle. Each manufacturer tests the operation of the motor mechanism. As a result of research, conclusions are drawn about the most suitable type of consumables.

An oil change in a car engine can be carried out using products based on a mineral, synthetic and semi-synthetic substance. Also, the consumables include special additives. Mineral oil is cheaper. It is used by car drivers whose engine has a high mileage.

For new motors, manufacturers allow the use of synthetic or semi-synthetic products. They are more fluid and have pronounced detergent properties. Such products do not need to be replaced as often as mineral varieties. Substances on a synthetic basis are able to protect the mechanism much better.

Replacement frequency

To understand how much to change the oil in the engine, you must first look at the operating instructions. It states that it is necessary to change consumables for the motor every 10-14 thousand km.

However, this figure is an average. It is influenced by the loads that the engine is subjected to during operation. For example, standing in traffic jams, the motor does not cool well. Consumables age much faster under these conditions. The difference is really colossal. In this case, the oil will have to be changed much earlier.

If the car drives mainly on the highway at a speed of 100-130 km / h, the system is fully cooled. This reduces the thermal load on the motor and thus the oil. This allows replacement consumable later.

Ideal for running the motor is to drive at medium speed, as well as a short amount of time on Idling(after the engine has warmed up).

Severe operating conditions

To figure out how many kilometers to change the oil in the engine, you need to find out what is considered to be difficult operating conditions for the engine. If they occur, the consumables will need to be changed earlier than after 10-14 thousand km.

Adverse factors that increase the load on the engine and oil in it include extreme ambient temperatures. Severe frost or, conversely, heat, as well as fluctuations in the level of heating of the air are considered unfavorable factors. Also, a humid climate or high dust content can cause an immediate need to change the oil.

If the vehicle is carrying heavy loads (in the trunk or on a trailer), the consumable degrades faster. Road conditions big city, frequent standing in traffic jams is also equated to unfavorable factors. If they are present, the indicator of the frequency of replacing the motor lubricant indicated in the instructions is reduced by 25-30%.

Influence of the type of oil on the frequency of replacement

Having figured out why to change the oil in the engine, it is necessary to take into account one more point. Due to the fact that today on the market for consumables there are a variety of products, the duration of their operation also differs.

Mineral varieties require replacement much more often. Otherwise, they strongly clog the engine with combustion products.

Semi-synthetics differ from them in greater stability of the base. To improve it, such means are supplied with quite a few additives. Despite this, the presented funds degrade quickly. Good quality semi-synthetics can meet standard replacement intervals - 10-12 thousand km. But at the same time, the engine must work without heavy loads.

Synthetics are also different. Hydrocracking species are not far from semisynthetics. The most commonly used oils are polyalphaolefin based and ester materials. The most progressive and expensive are synthetic polyglycol greases. Their service life is much longer than that of other products.

Self-oil change

To carry out maintenance yourself, you need to know how to change the engine oil. If you do all the actions yourself, you can save financial resources.

For this, it is necessary to allocate a sufficient amount of time, especially if this procedure has to be done for the first time. It is necessary to choose a good place where no one will interfere, and where the car will not become an obstacle to anyone.

If there is no specially equipped place nearby (with a pit or a lift), you can look for a special type of landscape. It can be a hummock or a hill. A fossa is also suitable.

All actions are best done in dry weather. The car must be put on the handbrake. It is very important that it does not roll when servicing the engine. You can even support the wheels with wooden blocks or bricks.

Waste drain

Next, you need to consider how to properly change the oil in the engine. Depending on the location of the drain cap, the machine must be properly jacked up. From the right choice lifting wheels depend on the comfort when working.

Next, you should climb under the car, unscrew the tank cap. A container is substituted under it. The workout will be hot, so the procedure is carried out neatly and with gloves. If liquid gets on your hand, wipe it off with a pre-prepared cloth.

A basin is best suited for containers. It is also worth preparing a 5 liter plastic bottle. It will be possible to drain the mining into it. It must be handed over to the manufacturer's collection point for disposal. Garage cooperatives also accept labor.

Warm up the engine well before draining the old oil. You can just drive about 5 km by car. The lubricant will become more fluid, and the suspension of dirt particles will be mixed and removed from the engine parts. In a heated form, more mining can be drained from the motor.

Replacing the filter

Considering the procedure for how to properly change the oil in the engine, you should study the technology for replacing the oil filter. While the mixture flows into the prepared container, you can proceed to the next stage of work.

You need to unscrew the old filter. No special tools are required to remove the cleaner. The filter is unscrewed manually. If the cleaner has become attached to its seat, use a special puller. Exists different types this tool. If desired, you can make it yourself according to a purchased template.

When the stripper rips the filter from its place, unscrew it by hand. If the cleaner was installed with the neck down, old oil may leak out. It needs to be wiped off with a rag. The filter is recyclable. It cannot be rinsed and put back into the engine. A new filter must be purchased.

Do I need oil when installing the filter?

When studying how and how often to change the oil in the engine, several nuances should be taken into account. The filter, when replaced, does not require additional lubrication in 99% of cases. Some drivers claim that lubricating the cleaner when changing the cleaner can help prevent airlock. They argue that in this case, the consumable immediately enters the system.

However, filter manufacturers do not intend to carry out this procedure. The seat of the cleaner is thoroughly cleaned of dirt. Just a few drops of oil are applied to the O-ring of the new filter.

The cleaner is screwed into place by hand. It must be tightened ¾ turn. The oil spreads very quickly in the system. Therefore, pouring it into the filter is a waste of time. The design of the purifier eliminates the possibility of an air lock.

Filling in new oil

Considering the question of how and how often to change the oil in the engine, attention should be paid to pouring a new agent into the engine. Working off can drain for a long time. Provide liquid for at least 30 minutes to go outside.

It will not be possible to completely remove the old oil. Therefore, it is more correct to fill the motor with the same agent that was previously used in the engine. After draining the working off, the tank lid is screwed back. It is not worth tightening it, otherwise you can break the thread.

A funnel is inserted into the neck of the tank. The oil is poured in small portions. Depending on the type of motor, you will need about 3 liters of consumables. Next, you need to wait 20 minutes for the tool to be distributed throughout the system.

Then it is necessary to check the oil level with a dipstick. It should ideally be between the min and max marks. More oil is allowed. Its level then approaches its maximum value.

Experienced auto mechanics provide an answer to the question of when is the best time to change the engine oil. This event is best timed to coincide with the general inspection. But at the same time, all of the above factors should be taken into account, which can shorten the time of normal operation of the consumable.

If the oil level has dropped significantly after the first ride, a leak may occur. In this case, it is better to contact the service center. Experienced professionals using special equipment will be able to determine the cause of the breakdown.

Having studied how and how often to change the oil in the engine, each car owner will be able to properly and timely maintain the engine. At the same time, it is possible to significantly increase the working resource of the system, preventing its destruction under the influence of mechanical loads and high temperatures.

The need for regular engine oil changes has become so commonplace for motorists that it is taken for granted by many. Few people think about why this is necessary and what affects the service life of the oil. Meanwhile, many important nuances are not taken into account by someone, and unknown to someone.

Types of engine oils

Historically, the first to appear mineral oils obtained during the distillation of oil. Sometimes it was mixed with castor oil (for example, this technology was used by Castrol, where its name is taken from).

Such oils were sufficient for use in low-power engines, although they had significant drawbacks: their viscosity significantly depended on temperature, mineral oils quickly oxidized and contaminated the engine.

If the first problem was solved by making seasonal oils(summer and winter), then the second is only a frequent replacement.

The development of the chemical industry made it possible to stabilize and improve the properties of motor oils: thanks to viscosity modifiers, it was possible to create all-season mineral oils, a large number of antifriction and detergent additives allow mineral oils to work successfully in highly loaded motors.

The price to pay for the low price of mineral oil is to preserve weakness —low resource, because, in addition to useful work, additive packages also counteract negative qualities most base oil.

The synthesis of the base oil makes it possible to obtain a significantly higher quality product, but at a significantly higher price.

Synthetic motor oils, depending on the production technology, can have different composition.

Most common polyalphaolefin oils- the technology for their production is the cheapest. However, in a number of qualities they are superior to polyester oils - for example, their volatility and flammability are much lower, and their viscosity is more stable.

Manufacturers often use polyolester oil as an additive to the polyalphaolefin base to improve oil quality at a lower cost compared to all-polyolester oils.

Mixing a synthetic base oil with a mineral base oil gives the so-called semi-synthetics. In fact, these oils usually contain no more than 20% synthetic base oil. Such measures make it possible to obtain a more stable engine oil, increasing its resource in comparison with mineral oil, and also to stabilize its viscosity.

Why change the engine oil?

Few can immediately describe all the functions performed by engine oil.

In fact, there are only three of them:

1. Lubrication. The most important job of engine oil. In modern automobile engines, the loads on the parts are very significant, hence the requirements for engine oil are high. That is why modern engine oils contain a high amount of antifriction, extreme pressure and viscosity-stabilizing additives ( up to 20-30 percent). However, operation at high temperatures, contamination from gases bursting through piston rings, lead to oil aging - the effectiveness of the additive package decreases. The drop in the viscosity of the engine oil is best seen: the used oil is much thinner than at the time of filling. A significant decrease in the strength of the oil film, combined with aging of the anti-friction additive package, increases engine wear.
2. Cleaning. Even the most the best oil will not be able to completely defeat engine wear. It is important that the wear products of the friction couples are retained by the oil in order to retain them in the oil filter. This is provided by a package of detergents, which also do not last forever. Since the days when only low quality mineral oils were available, it has been a misconception that a dark oil means it is oxidizing and needs to be replaced. In fact, the darkening of the oil is precisely the result of the work of the package of detergents, which allows the oil to retain all contaminants in its mass, preventing them from precipitating.
3. Cooling. It is engine oil that cools the most heat-loaded engine components, for example, by spraying it onto the piston bottoms. Thus, the oil is constantly in contact with parts heating above two hundred degrees, which accelerates its oxidation.

How often should the engine oil be changed?

The main problem is that it is impossible to accurately assess when exactly concrete oil much will lose its properties in a specific engine.

Even if you take two identical cars, they can be operated in different ways:

• frequent and short trips accelerate the aging of the composition compared to long trips, urban operation is harder for engine oil than highway driving.

For instance, the amount of deposits formed in the engine in urban operation higher by 10-30% depending on the quality of the oil.

The quality of the fuel also noticeably affects the change in the composition of the oil: the use of high-sulfur fuel increases the contamination of the oil, especially during heating, the increasing acidity disrupts the work of the additives.

Oils of different compositions have different service lives.

So, mineral and semi-synthetic oils force manufacturers to introduce a sufficiently high amount of additives to compensate for the suboptimal properties of the mineral base. At the same time, when creating a synthetic oil, the necessary properties can be laid down in the very base.

That is why aging of synthetic oil takes longer - aging and deterioration of additives has less effect on its properties.

How to determine the optimal oil change interval in a car?

The simplest method is refer to the manufacturer's recommendations.

For example, Peugeot sets engine oil change intervals for Russia 10,000 kilometers.

This rate is lower than, say, for Western Europe: the manufacturer takes into account the more difficult operating conditions of the engine, and, consequently, the faster aging of the oil.

Another French manufacturer, Renault, sets oil change intervals for gasoline engines 15,000 kilometers, and for diesel - 10,000. At the same time, it is indicated that it is necessary to halve the service interval difficult conditions operation (long idling, short trips).

Indeed, standing in a traffic jam with the engine running, you do not increase the mileage, while the oil ages faster than usual.

It should be noted that the oil change intervals are negotiated by the car manufacturer with the condition that the recommended oils are used. Filling the engine with cheap semi-synthetic and, moreover, mineral oil, one cannot expect that it will last as long as synthetics. Thus, using lower quality oils, it is necessary to shorten the drain intervals.

For most modern mineral oils replacement by mileage would be reasonable 5000 kilometers, average lifespan of semisynthetics - no more than 7000.

Synthetic oils, no matter how their manufacturer insists on increasing the resource of their product at times, would be reasonable to change with a run of 10-12 thousand kilometers.

How long does it take to change synthetic oil in a VAZ 2110 and VAZ 2114 engine?

Indeed, the manufacturer, according to notice No. 41635, standardizes oil change intervals for engine oils of API SG and SJ quality groups, which have long been outdated. So after how many kilometers should you change the oil? At the same time, the frequency of oil change is set at 10,000 kilometers, which in difficult conditions is reduced up to 5-7 thousand.

It would seem that better quality oils should have a longer service life in these engines. But if you compare these numbers with the recommendations of other manufacturers, you can see that the oil change intervals for all car brands are almost equal.

Therefore, you should not increase the service mileage when using modern synthetic oil - no one can guarantee the consequences of such savings.

How to change the oil in a Renault Logan engine?

The do-it-yourself oil change procedure may differ in labor intensity. depending on the configuration and vehicle generation. So, on modern Renault logan 2nd generation access to the oil filter is much more difficult due to the changed layout of the engine compartment and attachments.

On cars of the previous generation, especially in poor trim levels, the filter is much more convenient to remove.

The work is most convenient to carry out on the lift by removing the crankcase guard. However, here you need to take into account that it is fastened with M6 bolts, which often break off even on cars with low mileage. In this case, you need to be prepared for the need to drill out the debris.

You don't have to remove the protection, but it should be borne in mind that when unscrewing oil filter it will get a noticeable amount of used engine oil.

Further, with a square key 8 mm, the drain plug of the pallet is unscrewed. While the oil is draining, the oil filter located at the front of the cylinder block is unscrewed. Its seating plane is cleaned and a new filter is installed, before that the sealing gum is lubricated with oil.

It is widely believed that the oil filter must be filled with oil prior to installation. In fact, it does not make sense - to expel air from the lubrication system to the oil pump faster just through the dry filter.

When the engine oil is drained, the drain plug is returned to its place. It should be noted that its O-ring is disposable and must be replaced.

Filler neck on the Renault engines Logan conveniently located and oil filling is not a problem... After filling the crankcase to the upper mark on the dipstick, you need to start the engine, let it run a little and turn it off.

Next, you need to add oil so that its level is again just below the upper mark of the dipstick or reaches it. It should also be taken into account that the eight-valve engine and the sixteen-valve engine have different filling volumes.

When determining the intervals for changing the engine oil, we are guided by the manual.

The engine oil change interval is always negotiated by the manufacturer of your car. in the manual or in the Service bulletin. As a rule, the manufacturer indicates the engine oil change interval in kilometers (or in miles). There are also restrictions in the time period - 3 months -6 months - 1 year. The car can stand in the garage all winter and not go out on the roads, and the oil in the engine will still lose its original properties - that is why the manufacturers have introduced a time limit. It is impossible to conclude "I roll very little on the mileage, so I will change the oil every 2 years."

It is not right to decide for yourself how often you need to change the oil, not based on the manufacturer's recommendations! Only the manufacturer of your car, who designed and built your car, knows better at what change interval do you need to change the oil! The car manual is a kind of bible, when making decisions, you should always look back at this document. Remember, your car was designed and created by thousands of engineers and specialists, they have already calculated and tested everything for us - no need to consider yourself smarter than VW or Toyota and reinvent the wheel. It is necessary to adhere to the manufacturer's recommendations as much as possible!

Rely on the manufacturer, but do not make a mistake yourself ...

But you also need to be able to interpret the manufacturer correctly! Recently, manufacturers have begun to increase the engine oil change intervals. For the sake of economy, ecology, limiting legislative acts in some countries, oil change intervals have noticeably increased 30,000 km, 50,000 km, etc.

There are special "long-life" oils for extended oil drain intervals "LongLife". But such oils can only be poured at extended drain intervals into engines that are suitable for this! It is impossible to conclude "If I fill in Longlife oil in VAZ Kalina, then it is possible not to change the oil of 30,000 km." Kalina's engine will kill such oil much faster!

Extended oil change intervals are relevant for countries with a "mild" climate, with good quality fuel, with clean roads, quality oils, timely service. In severe operating conditions of the car - such prolonged change intervals can lead to premature aging of the engine oil and engine wear!

For example, when you try to start the engine at -30C, fill the crankcase with gasoline and eventually do not start, the oil dilutes, loses its properties under the influence of gasoline, and the manufacturer does not take this into account. You can skate 30,000 km on such spoiled oil and then wonder where the wear comes from.

Example: In the list of approved Longlife-04 oils, BMW writes:

Use of Longlife-04 oils in gasoline engines only allowed in European countries (EC plus Switzerland, Norway and Liechtenstein). Outside this region, their use is prohibited due to the often questionable fuel quality.

Link to white paper: BMW Longlife-04 approved oils. That is, for Russian conditions these oils are not suitable due to the extended drain intervals!

What is Severe Service Conditions?

Severe operating conditions include:

1. Poor fuel quality. The fuel never burns out completely. When fuel is burned in the engine, combustion products are formed - ash, soot, tar, sulfur, etc. Deposits form on the inner walls of the engine - carbon deposits, sludge, varnish, etc. The worse the quality of the fuel, the more deposits and unwanted combustion products. Engine oil depletes faster! Russian oil from the very beginning considered to be of inferior quality due to the high content of sulfur, as well as heavy and cyclic hydrocarbons. To this must be added the peculiarities of the "Russian business" and the absence of strict control over the production and sale of fuel. Fuel quality is constantly leaping from filling to filling. Production of gasoline from 76th to 92nd by adding additives. Water condensation, sand, dirt in storage and transport tanks, etc. All this affects the life of the engine oil! Therefore, at least somehow to save yourself from these negative factors, you can only by refueling at proven gas stations and frequent oil change intervals! It is the frequent oil changes that help remove unwanted products from the engine, neutralize sulfur from burnt fuel, slow down oxidation processes, etc. No LongLife or PAO synthetic oils with long drain intervals can miraculously remove all this from the engine.
2. Traveling short distances... On short trips over short distances, the engine does not have time to warm up. The engine oil does not have time to heat up to working temperature... Additives that neutralize fuel combustion products work slower due to the slowdown of chemical processes in an unheated engine. Low-temperature deposits form, clogging filter elements and impairing oil circulation in the lubrication system. The operation of the engine in the mode "started - drove 5 km - turned off" leads to the transformation of condensate formed on the inner walls into water. Water in oil leads to oil flooding - premature aging of the engine oil.
3. Dusty roads, or roads that are treated with anti-icing agents. Air filter not all dust particles are captured - a small amount still gets into the engine. It is also not uncommon for unfiltered air to enter the engine, through a filter of poor quality, abnormal air intake (cracked air hose, gasket stiffened), etc. When the engine is operating in dusty conditions, dust particles that accumulate during engine operation cause abrasive wear of parts and reduce the antiwear properties of the oil. In simple terms, dust and sand fall into the cylinder-piston group and, of course, this does not bring anything good.
4. Traffic jams, long trips at low speeds, long idle idle. Constant acceleration and deceleration in traffic jams load the engine the most, the oil is used up faster. At idle speed (XX), the oil pressure in the system is several times lower than at full speed- the oil goes to the engine components, not as well as it happens at full speed along the highway. This also happens on long low-speed journeys. For example, on a dirt road "where you can't really accelerate." The engine is under heavy load and the engine oil is not supplied abundantly. Engine on idle(XX) is poorly washed by oil, as a result of which rings can again become embedded, deposits can accumulate on the walls of the engine. The car owner at this time calmly looks at the odometer, where the cherished 15,000 km has not yet come and convinces himself that "everything is fine!"
5. Operation in extremely high or extremely low ambient temperatures. When operating a car in summer heat, the engine is exposed to high temperatures, the oil heats up, and therefore the oil film becomes thinner, the coefficient of friction increases, and the oil film on the surface of the friction pairs may break. If we add to this the towing of a trailer, and even high speeds on the highway, it turns out to be a very tough mode. Remember yourself, on a trip to the South, during the holidays - we will load up with the whole family, pick up a trailer and "spar" at high speeds along the highway - it would be faster to get to the sea / or back home. This is exactly the case! Heat air also accelerates oxidative processes in the engine and affects the development of the engine oil resource. Operating the engine at low temperatures also affects the life of the engine oil! Attempts to start the engine in cold weather often lead to the fact that the engine is not started, and fuel was supplied at that time. Fuel settling in the crankcase enters the engine oil and dilutes it. Subsequently, the fuel, of course, burns out and evaporates, but the oil is already spoiled and miraculously, to a fresh state, cannot be restored. In winter, we often warm up the engine before starting to move, but long idle (XX) downtime is again not good for the engine oil. The engine is running - and the car does not "reel" the mileage, meanwhile we change the oil according to the mileage!
6. Towing a trailer, transporting heavy loads in the trunk, operating a car in mountainous areas. It is no secret that in a heavily loaded technique, oil develops its resource much faster. If you use your car to uproot stumps in the country, you will wear out the engine ten times faster than during normal operation. The more the engine is loaded, the faster the oil wears out in it. Car operation in mountainous areas, where ups and downs are frequent, also seriously affects the reduction of the engine oil resource.

It is generally accepted that operating conditions are harsh in Russia! On our resource site, we have seen examples and confirmations that the Japanese in Japan, Europeans in Europe, Americans in the USA consider their "greenhouse" operating conditions to be difficult and cut the change intervals in half! Then what are the operating conditions in Russia?

On-board computer as a guideline for the timing of oil change.

V modern cars on-board computer based on the data received, it signals itself when to change the oil. The service interval (mileage until the next service) is calculated based on the distance traveled over a certain period of time, the fuel consumed and the temperature change over the same period. Data is collected from various sensors in the car, the turnover sensor crankshaft, oil temperature sensor, distance traveled from the tachometer, fuel consumption, etc. Based on this data, the control unit calculates the remaining mileage before maintenance and signals the required service interval on the display.

Fig 2. An example of how the service interval is calculated in Skoda cars:

Fig 3. Depending on the data received, the on-board computer can give various options:

But you need to understand that an on-board computer is just a car., which does not take into account many factors, and was created by its manufacturer, who also cannot take into account all factors! Therefore, you will not make things worse if you change the oil more often - you will only make it better!

So, what engine oil change interval should you choose?

Let's highlight the main points when choosing an engine oil change interval.

1. We look at the manufacturer's manual... It is the manual, and not the translations of third-party Russian publications taken from where it is not clear! In the manual, we find a plate with the change intervals, and the lines "under severe operating conditions, we recommend reducing the change interval by half." Sometimes there is nothing about the mileage in the manual. We are looking for official technical documents, usually they are on English language. Be sure to follow the official recommendations of the manufacturer of your car!
2. We define our operating conditions. In most cases, if you live in Russia, you have just harsh operating conditions! But there are exceptions! For example: You live in a quiet, provincial town with no traffic jams. Moderate climate, the temperature in summer is not more than + 30C, there is no frost in winter. The car is operated daily and travels at least 20-30 km after starting. The car does not idle for 20-30 minutes (you do not use the autostart function of your alarm - yes, this is also harmful!). You fill up the fuel at one filling station, you know for sure that it is of good purification, with a low sulfur content. Fuel is supplied directly from the refinery, all documents are in order (and in general, this is your relative's gas station 🙂). The terrain is flat, not dusty, the roads are asphalted (because the president recently came to your city 🙂). In these cases, you do not have to shorten the change interval and consider that you have normal operating conditions! In all other cases, consider your operating conditions as difficult!
3. What kind of oil do you use? If you pour mineral oil, it lives less - you need to make discounts on this. Also applies to "synthetic" hydrocracked oils (VHVI, Group III). If you pour real synthetics PAO / Esters - they live longer than mineral oils and hydrocracking oils - but don't flatter yourself! In motor oil, in addition to the base oil, there is a package of additives that work, regardless of whether they are dissolved in synthetics or in mineral water. If you have severe operating conditions, you need to pay attention to the characteristics of the engine oil. On oils with a low base number (for example TBN = 5-6), as well as on bad high-sulfur fuel - it is not advisable to drive with long change intervals!
4. What is your engine? If the engine of your car is equipped with a turbine, the oil develops its resource faster than in a simple one. naturally aspirated engine... There are manufacturers who recommend in difficult conditions, for turbo engines, the change period is 2500 km!

Example 1: Let's try to determine the change interval for toyota camry 2008 release.
We find Toyota official document:, below in small text it is written "Under severe operating conditions, reduce the shift interval by half." We divide 14000/2 = 7000 km. Final choice: Change interval 7000 km.

What do motor oil manufacturers say?

Engine oil manufacturers almost always maintain solidarity with car manufacturers about oil change intervals. Almost everywhere it says "Check your vehicle's manual." But there are expert answers in the form of advice. In their answers, engine oil manufacturers almost always rely on the recommendations of the automakers!

In conclusion of the article, I would like to cite the FAQ, a very famous and popular in the West, motor oil manufacturer - Valvoline.

Question: Do I need to shorten my oil change interval to 3000 miles (about 5000 km)?
Answer: Valvoline recommends changing the oil every 3000 miles (about 5000 km). Most car enthusiasts (more than 80% of drivers, according to a study in the state of California) operate a car in difficult operating conditions (start-stop mode, driving short distances, towing, very high or very low temperatures, etc.) operating conditions, in most recommendations 3750 miles or less, and 3000 miles (about 5000 km) is the most common recommendation. Engine oil and oil filters have a shorter life under severe operating conditions due to increased contamination. Thus, changing the oil and filter every 3000 miles (about 5000 km) is the best way to ensure a healthy engine.

You can subscribe to every word! Exactly frequent intervals change of engine oil - 5000 km, will protect you from the accumulation of deposits in the engine, from the negative effects of poor quality fuel, from the harsh operating conditions of the car, etc. Shortened engine oil change intervals are one of the most effective ways to keep your engine in top condition! With 5000 km change intervals, the car engine will serve faithfully for many years!

Oil plays a very important role in the engine, protecting it from premature wear performing the following functions:

• reduces friction of engine parts by reducing overheating,
• protects against corrosion, which helps to extend the life of the machine,
• provides effective removal of soot and other fuel combustion products.

Quality engine oil protects against corrosion and helps extend machine life

In order for the oil to effectively protect the motor, which is constantly exposed to overloads (temperature drop, compression, etc.), it is necessary to use a quality product.

An oil is considered to be of high quality if it retains oxidation stability, viscosity, and dispersing ability for a long time. A poor-quality product with low viscosity and dispersing ability is not able to retain carbon particles in the form of a fine dispersion. They stick together and settle on the surface of the parts.

You cannot buy cheap oil from unknown manufacturers, as it can reduce the engine's operating life.

To save the engine, do not buy cheap oil from unknown manufacturers, especially on the side of the road. But if, through an oversight, oil is bought and filled, try to replace it and flush the oil system.

The oil change is accompanied by the replacement of the oil filter, the main function of which is to keep carbon particles and dirt from getting into the new product. Dirt particles entering the oil from the filter will drastically reduce its effectiveness.

Why and when you need to change the engine oil

While using the car, you need to constantly monitor the quality of the oil. It is gradually aging, oxidizing, picking up soot, carbon deposits, dirt. Contaminated oil literally "eats" parts long before the end of the warranty period.

You can determine the timing of the oil change in the engine differently... It is enough for a circle of a soft filter, a dry paper napkin, blotting paper, a drop of hot oil. Leave it on for a while so that the oil is absorbed into the paper. If a dirty circle forms at the place of the drop, the oil must be replaced immediately. A drop spread over the paper indicates the suitability of use.

Another way is to check the clarity of the oil. Immediately after stopping the engine oil dipstick check oil level and color. If the color is dark brown, the oil must be changed. If it resembles green tea, you can still work on it.

How often do you need to change the engine oil

The oil change is accompanied by the replacement of the oil filter, the main function of which is to keep carbon particles and dirt from getting into the new product.

The frequency of oil changes depends on many factors, including:

• features of the car engine,
• the quality of the fuel used,
• conditions and mode of operation of the vehicle.

The unfavorable operating mode is unambiguously long idle and prolonged operation of the motor. With rare use of the car, condensation forms in the engine, which, together with fuel, additives and other additives, forms an acid that corrodes engine parts. Idle operation of the engine when standing in traffic jams, frequent braking when starting to move causes the oil to heat up, which quite noticeably reduces its quality.

The car, of course, is an irreplaceable assistant for the transportation of goods. But the constant increased load on the engine causes premature deterioration in the quality of the oil, and hence its replacement in order to protect the parts.

The frequency of engine oil changes is also influenced by the quality of the fuel. In case of incomplete combustion, the remaining fuel mixes with the oil, reducing its quality. An important role the quality of the filters also plays a role in the frequency of oil changes. A poor-quality filter fails earlier than the planned resource, dirt particles enter the engine lubrication system, which accelerates the wear of parts.

How to determine the optimal oil change interval in a car?

If the car is operated according to the recommendations, then the oil change is regulated by the car's mileage, which can be 5-20 thousand km. How older car, the more often the oil is changed at a lower mileage.

The mode and time of engine operation can serve as a regulator of the oil change time. The car is in a traffic jam, and the engine is running. This means that the oil change time will come before the required mileage has been covered.

If unfavorable operating conditions prevail in machine operation, then the oil change interval must also be shortened.

After how many km to change the oil in the engine

At the time of buying new car in the accompanying documents, the manufacturer indicates the service interval and it is more expedient for a beginner to follow the recommendations. In modern cars, the oil is changed after a run of 5-8 thousand km. At correct operation mileage can be increased to 10,000-12,000 km.

In modern cars, the oil is changed after a run of 5-8 thousand km.

If you buy a used car, the seller will usually give you the mileage required to change the oil. Changing the oil more often will not damage the machine. It is much worse for the engine if the mileage increases significantly and is carried out with low-quality oils. Today, the choice of quality brands is huge. Official dealers usually recommend Shell Helix oil.

How long does it take to change synthetic oil in a VAZ 2110 and VAZ 2114 engine

A new car requires a run-in, during which engine parts are lapped. After 2 thousand km, as a rule, the oil is replaced with a new one and the running-in continues up to a run of 10,000 km. During this period, the engine should operate in comfortable conditions - without overheating and limiting speeds... When buying a used car, the engine is cleaned with flushing oil from dirt and slags, a new filter is installed and fresh oil is poured.

The correct choice of engine oil is the safety of the engine. Therefore, adhere to the manufacturer's recommendations that regulate the quality indicators of oils for car types. For vases 2110 and 2114, it is optimal to use (depending on the season) synthetic oils 5w-40, 10W-40 Shell Helix.

The service interval when using a quality product is 10-15 thousand km. On imported cars, there are oil condition sensors, indicators of the mileage remaining until it is replaced. If there are none in the car, do not be lazy to check the oil level with a dipstick before each engine start. When changing the oil, do not forget to change the filter as well.

How to change the oil in a Renault Logan engine

Renault Logan is a popular car in Russia with a total 3-year warranty period, including an oil change. During the warranty period, it is better to change the oil in service centers, and to carry out an independent change after its end. At self-replacement it is necessary to prepare in advance tools (keys), oil, filter and auxiliary equipment (basin or canister for draining the waste, gloves, clean rags).

The sequence of procedures when changing the oil:

• warm up the engine before entering the pit,
• from below we put a basin-receiver for working off,
• unscrew the neck cap,
• unscrew drain plug oil pan,
• pour the oil into the prepared basin,
• wrap the cork in place and tighten,
• remove the casing,
• remove the oil filter with a special key,
• install a new filter (better original filter Renault), after lubricating the gasket (you can work it out),
• pour a little oil into the new filter and put it in place,
• put a clean rag around the neck of the oil receiver and pour in oil, about 3.3 liters,
• we twist the neck plug,
• we start the engine (we do not press on the gas), after a few minutes we turn it off,
• the pressure light should go out,
• after 10-15 minutes, check the oil level, top up to the optimal level,
• put the cover back in place,
• the oil has been changed.

It is better to change the oil of the same brand after 15 thousand km, subject to the comfortable operation of the car. If the road surface is of poor quality, it is better to reduce the service interval to 7-8 thousand kilometers. When using one brand of oil, it is not necessary to flush the engine from processing every time.

The manufacturer recommends ELF ( Elf Evolution SXR 5w30, Elf Excellium LDX 5w40, Elf Competition ST 10w40), taking into account climatic conditions (it is better to use an all-season). Flushing the engine on Renault Logan when using one brand of engine oil is recommended after 100 thousand kilometers.

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The answer is no. In modern cars, you do not need to change very often. Modern engines do not need frequent replacement engine oil. But despite this, every driver should know some information about the frequency of oil changes.

But in fact, all cars produced today do not need frequent, and especially, every 5000-8000 km. True, it is worth noting that there are still many old cars on our roads that require oil changes in this interval. But if your car was produced no more than 5-7 years ago, then frequent oil changes are unnecessary.

Why do old cars need more frequent oil changes than new ones? More than ten years ago, there were many vehicles on the market that were equipped with carburetor system injection. It was this system that assumed an oil change every 5000-8000 kilometers.

Also, the design of the old powertrains was not as perfect as it is now. Old motors could accumulate moisture, which, once it got into the oil, changed its properties. Plus, 15 years ago, motor oils weren't as perfect as they are today. At the moment, there are mainly high-class synthetic oils on the market. Thanks to the development of technologies in the chemical industry, these oils have become much more reliable, better quality and more efficient in their composition. This allowed them to be used in the engine for much longer, even with poor fuel quality.

New technologies that make it possible to rarely change oil in cars

Several car manufacturers have developed various systems that allow for extended engine oil drain intervals. For example, Chrysler has developed a system that not only automatically monitors the engine oil level, but also monitors various vehicle operating parameters to determine when a scheduled engine oil change is necessary.

So, the system monitors the temperature of the engine, monitors the load on the motor, downtime, the number of cold starts power unit and many other parameters. It is these characteristics that directly affect the oil change interval.

Obviously, if you often transport a loaded trailer with a heavy load in hot weather and your path constantly lies over a long hill, then the engine in the car is subjected to increased load, which naturally contributes to the rapid loss of oil properties.

Or, if you often use the car at high speeds, then the oil also loses its chemical properties faster. Therefore, if you most often use the car at low speeds and do not often carry heavy loads on the car, then the oil can be changed every 15,000 kilometers. Otherwise, the oil must be changed every 10,000 kilometers. True, it should be noted that these values ​​are applicable only for those car brands with an oil change interval of 15,000 kilometers. If the manufacturer recommends changing the oil in your car every 10,000 km, then in case of an increased load on the engine due to the peculiarities of operation, the oil must be changed every 6000-8000 kilometers.

Other technologies that have helped manufacturers increase vehicle mileage between oil changes. This developments that have made it possible to increase the reliability and resistance of engines to destruction through the use of more modern materials, as well as through electronics that regulate optimal fuel injection.

You may ask what to do for drivers who do not drive the required mileage for a whole year for a scheduled technical inspection, during which the engine oil is changed. In this case, despite the low mileage of the car, it is recommended to change the engine oil once a year.

It's all about synthetic additives that are added to the oil and change its properties. A year after operating the machine on one oil, these chemical additives may lose their characteristics. For example, if you do not change the oil once a year, the chemicals in the oil such as anti-foaming agents, detergents, corrosion inhibitors and friction modifiers can degrade. Modern oil it is not only a direct oil product, but also a set of various chemical additives.

Oil change every 40,000 km reality or fantasy?

There is another way to increase the oil change interval between scheduled maintenance. For example, you can use a variety of innovative engine oils that are currently presented on the world car market. There are high-tech and high-quality synthetic oils in the world that do not lose their properties when high mileage car. It is worth noting here that many manufacturers of such oils claim that some brands of oils are capable of withstanding a mileage of 40,000 km.

It is noteworthy that such oils are often used on heavy duty vehicles, which cover huge kilometers in a short time. And I must admit, judging by the reviews of truckers, such oils do not damage the engine even at high mileage and load. So, we advise you to try using high-tech oils. It will not only save you cash, but will improve the performance of your engine.

When choosing which oil to buy, take into account the viscosity and brand of oil that the manufacturer recommends to use. Whenever possible, always use only synthetic oils, which are much better than mineral oils. Remember that more expensive brands oils are more effective, they have more low temperature solidification and increase the engine resource, and at the same time also reduce fuel consumption.

The only condition is, be careful when buying oil. There is a huge percentage of counterfeit oil products on our market. If you are offered to buy branded expensive oil for a small amount, then think about whether such oil can be worth the money. For example, in last years There is a widespread myth in the Russian market that the oil sold by official dealers of brands is very expensive due to the large mark-up, and that is why many of us have no doubt that many branded oils are sold for a penny. "Gray" sellers, as a rule, declare that oil is delivered from Europe bypassing customs and, unlike the dealer, the margin is minimal. But don't believe it. Most likely this oil is fake.

Try to buy oils only from authorized dealer... Even if you overpay, you will receive a guarantee that the oil is original.