• Do I need to change the engine oil often and how to do it correctly?

    If you think that the engine oil should be changed every 10-15 thousand km, as required by the service regulations, then you are wrong. Why? Further we will tell about it in detail.

    1. Why the service regulations are inaccurate and how it affects the city

    Car manufacturers indicate the frequency of oil change in kilometers. However, the engine of the machine works not only while driving, but also at idle. Therefore, when driving in city mode, he can work four times longer than when driving on the highway at the same mileage. Mileage, measured by the time of the engine, called hours.


    For example, an average of 15 thousand kilometers on the highway is about 200 hours, and in a city it can exceed 700 hours. As a result, the load on engine oil increases tremendously, because even at idle the lubricant is exposed to high temperatures. Moreover, in urban traffic there is no crankcase ventilation, which reduces oil life, i.e. the load on the lubricant increases even more.


    But not only the number of engine hours affects the durability of the lubricant. Plays a big role and driving style. For example, when driving on the highway at a speed of 100-130 km / h, the lubricant is subjected to minimal loads, since the engine is well ventilated and does not work at its peak. As the speed increases, the load on the engine increases, and hence on the lubrication system, since the pistons are heated to higher temperatures, the volume of crankcase gases, which have a destructive effect, increases. The effect of increased speed is especially noticeable on small cars that have low-power engines and a “short” transmission.


    Therefore, as you can see, a mileage of 10-15 thousand km is far from an exact pointer of the need for an oil change. For example, in modern BMW cars, which have a meter that counts hours, the replacement time is 200–400 hours with moderate machine operation, as well as with the use of high-quality fuel. When the engine is at maximum or close to maximum power, the oil change period is significantly shortened.


    Another important point on which the life of the lubricant depends is the type of oil used. Therefore, we will talk about the varieties of existing oils and the terms of their operation separately. From this it follows that the timing of the replacement by mileage specified by the manufacturer can only be determined if the vehicle is operated in a country mode at a constant speed. But this is extremely rare. Therefore, the diesel engine oil should be changed more often.

    2. What you require to know about the types of oil and their service life

    As you know, motor oils are of several types:

    • semi-synthetic;
    • synthetic hydrocracking;
    • synthetic polyalphaolefin;
    • ester;
    • polyglycolic.

    Pure mineral oils are almost never found. They were replaced by semi-synthetic compositions. However, they are no longer in special demand, since they have several serious drawbacks:

    • have low additive content;
    • strongly litter the engine;

    their viscosity is unstable, i.e. it varies greatly with temperature, and also changes over time of operation of the lubricant.

    It is easy to guess, the "vitality" of these products is low, compared with more modern compositions. Therefore, it is desirable to reduce the replacement time to 8-10 thousand kilometers, especially in the urban mode of operation of the vehicle, subject to the use of a quality product from a reputable manufacturer.


    Synthetic hydrocracking oils are the most popular lately, as they have replaced the semi-synthetics. In particular, standard oils produced by automotive manufacturers fall into this category. Often, these compounds are semi-synthetics, in which there is a grain of truth. But due to the appearance in the composition of a quality base, they have a more stable viscosity and durability.


    Under normal conditions, high-quality hydrocracking oil can last 30 thousand kilometers. But in our conditions, of course, it’s not worth exploiting the lubricant for so long. In addition, the processing of such oils leads to a decrease in the mobility of the piston rings, as well as engine coking and increased friction. Virtually all synthetic hydrocracking oils are low-ash and highly susceptible to fuel quality.


    As for the standard mileage of 10-15 thousand kilometers, these compositions show themselves much better than mineral and semi-synthetic analogues. In addition, there are several other advantages:

    • better hold the additives, respectively, longer retain all their properties;
    • possess the good washing qualities;
    • have less degradation products that have a negative impact on the engine.

    From the minuses it can be noted that these compositions do not have the best effect on the durability of the engine itself, which is associated with a reduced additive package.


    Synthetic polyalphaolefin oils, unlike hydrocracking oils, do not form coking rings of pistons, practically do not fade and have the purest decay products. Another positive quality of them is good fluidity, which is maintained even in severe frosts. Regarding the timing of the replacement, then this product is aging more slowly than hydrocracking counterparts.

    However, it should be understood that the durability of a lubricant depends not only on its basis. As part of the product is always a complex package of additives that have their own life. Plus, mechanical pollution that accumulates over time does not disappear. Therefore, it is not necessary to drive even on such oils for more than 400-500 hours, as further operation will reduce the life of the engine at an accelerated rate. Given the high cost of these oils, it does not always make sense to use them instead of hydrocracking.


    Ester oils can be called a new evolutionary step. They have low boiling point and low friction coefficient. Theoretically, the time to use these oils before replacement should be longer. But in practice, ester formulations often have a small additive package, as a result of which they require replacement even earlier than the standard period. Therefore, they are called sports, i.e. intended for short term use. Ester products makes sense to use for flushing the engine after using mineral and semi-synthetic oils more than the prescribed period. This composition copes with cleaning the surface of the motor from all sorts of dirt.

    Polyglycol formulations are the most progressive. They have an even lower coefficient of friction, moreover, they are capable of dissolving even their own decay products. They are better than other analogues are able to keep additives. Unfortunately, only Kroon Oil polyglycolic oil is widely available at the moment . There is practically no data on his independent tests. But it is quite possible that this lubricant is indeed capable of working longer than the others.


    From the above, it can be decided that car manufacturers indicate the interval between the replacement of lubricant with regard to the use of standard oil, i.e. synthetic or semi-synthetic. However, different types of lubricants differ in compositions and different amounts of additives. Accordingly, they have different service life. Unfortunately, it is impossible to determine the service life by tabular characteristics. Therefore, buying a particular brand of product, read the results of several independent tests.

    3. How often to replace the engine cleaning grease

    If you have purchased a used car with an opaque service history or have noticed through the oil filler neck that there is a lot of raid on the motor surface, the engine should be flushed. Of course, for this there are special additives and flushing oils . But the most qualitative and harmless for the engine result can be obtained only by flushing the engine with engine oil.


    The washing scheme is quite simple:

    • old grease is drained, after which the filter is changed and new oil is poured;
    • on a new oil car should drive about 2 thousand km;
    • then an oil change is performed again, after which the car must drive 4,000 km;
    • the next replacement is made after another 4 thousand.


    Keep in mind that throughout the entire cycle of flushing the engine, the car must be operated carefully, i.e. in running mode. Otherwise, to achieve a quality result will be impossible.


    If the engine is washed with a special additive or flushing oil, it is also advisable to drain the engine oil as soon as possible. Moreover, you should first get rid of the remnants of washing mixtures. To do this, a small amount of engine oil must be poured into the engine so that the pressure indicator will only go out. After that, the engine must be started and let it run for 5–10 minutes. Then the grease is drained and clean oil is poured into the motor.

    4. Why timely replacement is so important - details and details

    Finally, consider why the engine is so important timely replacement. The fact is that lubrication not only reduces friction between parts, but also performs several other important functions:

    • prevents corrosion of surfaces;
    • deletes soot, products of combustion of fuel and other pollution from surfaces of the engine;
    • participates in maintaining the optimum temperature of the engine, and also provides its heat exchange.


    If you do not replace the lubricant in time, all kinds of additives begin to decompose, as a result of which it loses its ability to perform the functions described above. In addition, it accumulates products of combustion, which are deposited on the surfaces of the engine. Over time, the oil channels start to clog up, with the result that the lubricant is not fully supplied to the mechanisms. This, in turn, leads to speedy wear of parts.


    Thus, it is impossible to neglect the timely replacement of oil, otherwise even the most reliable engine can “knock” without having worked out the time allotted to it. As we found out, it is desirable to engage in replacement more often than automakers require.

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    The services work simple wrenches, and a good specialist can not be found
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  • Means for removing scratches on the car - how to get rid of chips in a few minutes?


    The car is constantly in need of care, especially for the body and paintwork. It is the outer layer of paint that is most often exposed to contact with various obstacles, be it a branch from a tree or road pebbles. Even metal accessories leave scratches on the car. Such damage must necessarily be repaired at the stage of appearance, otherwise serious complications may occur, including the formation of corrosion. But the problem can be dealt with in a matter of minutes, if there are special chemicals at hand to protect the body.


    1. What is useful to know about the scratches on the body?

    Having found mechanical damage on the car case, it is necessary to take measures. Scratches should be thoroughly rinsed and degreased using special detergents. The dimensions and depth of damage directly affect post-processing methods. In some cases, a vehicle for removing scratches on the car may not help, a better and longer-lasting job is required.


    Experts identify the following ways to restore paintwork, depending on the size of the damage:

    • Use polishing tools or sandpaper of varying degrees of grit.
    • Removing small chips with chemicals.

    The deep defects of the above methods cannot be repaired, it is required to putty the damaged area, process with additional compounds and paint after all the work is done. Not in all cases should resort to the last option. If a small pebble has bounced off a passing car, there is no need to spend money on the purchase of paint. It is enough to use chemical. by means which benefit is very difficult to overestimate.


    2. Wax pencil - how will it help the driver?

    One of the most strong new products in this area is a wax stick. This is a special tool that can eliminate mechanical damage and paintwork defects. Its key advantage is that the restoration work happens very quickly, and the effect will please any owner of the car.


    The pencil, despite its chemical nature, is absolutely safe. Contact with an intact area does not cause any destructive reactions, as is often the case with similar products. This composition, on the contrary, helps to strengthen the layer of varnish and paint.


    Among the other positive qualities of wax products should be highlighted:

    Ease of use - recovery time does not require much time and additional equipment. Apply this tool on the way to the office, near the entrance or in the parking lot.

    Versatility - the variety of color palette gives you the opportunity to choose a shade that exactly matches the color of the car. Pencil can be applied to any paint, varnish or enamel, there are no restrictions in this regard.
    Convenience - this tool leaves no traces, so the likelihood of getting dirty or upholstery after performing the necessary actions is completely absent.

    Compactness - the tube is small enough, it can be stored in a bag, glove compartment or car door pocket.


    3. How does the gel for the paintwork?

    Shops that sell auto chemical goods, can please the owners of cars and other useful means. So, quite demanded liquid gel, which has neither color nor odor. This composition is suitable for removing and masking mechanical defects. Unlike the previous method, the gel works very quickly, the drying speed is no more than 20 minutes.

    The gel includes a large number of chemical components that are able to thin the paintwork. This points to the fact that the paint from intact areas becomes liquid and fills with scratches or chips. After 15-20 minutes, the nanostack completely dries out, and all defects on the car body are leveled. An important advantage is that no thickening or growths will form in the damaged area.


    The number of positive qualities include:

    High effectiveness of the composition with a minimum amount of expended forces, time and money.
    A good indicator of water resistance - the gel withstands more than a thousand washings.
    The ability to repair the body part at any time, regardless of weather conditions.


    You still think that auto diagnostics is difficult?

    If you are reading these marks, then you have the interest to do something yourself in the car and really save , because you already know that:


    SRT lomyat big money for a simple computer diagnostics
    To find out the error you need to go to the specialists
    The services work simple wrenches, and a good specialist can not be found