Automotive lubricants are commonly associated with engine performance. The chemical compositions on the market are overwhelmingly focused on this power unit... But the transmission also needs to maintain the stable operation of its mechanisms, requiring periodic lubrication renewal. It is widely believed that the oil in the gearbox does not change - it is poured only once and this is enough for long-term operation. But with rare exceptions, this approach is fraught with rapid wear of active transmission parts, which is harmful not only for the box itself, but also for the elements adjacent to it.

Functions of transmission oils

Special oils for efficient and safe operation of the gearbox are in many respects similar to their motor counterparts in composition. They contain a base and special additives that minimize frictional forces, extending the life of the parts. In addition to lubrication, the oil in the gearbox has the task of removing heat from the bearings and gears.

Much in the function of a particular composition depends on the additives added to it. Each additive plays a specific role in the maintenance of mechanisms. In particular, there are antioxidant and anticorrosion additives that increase the durability of the shaft elements. Also common are additives, the effect of which is aimed at preserving the qualities of the basic oil composition - for example, depressants and antifoam additives.

Why change the oil?

Normally, the temperature of the lubricant in the transmission is 150 ºC (reading while the machine is moving). However, at the contact points of the gears, this value reaches 300 ºC. At peak temperatures, the oil foams and loses its lubricating properties. Of course, the process of reducing the effectiveness of the composition occurs gradually, but the moment comes when further work with the old grease is impossible and the oil in the car's gearbox is changed.

Among the signs that indicate the loss of the lubricant's working properties, one can note the unpleasant hum of the differential gears. Uncharacteristic noises in the area of \u200b\u200bthe old oil box intensify, and after 300-500 km of run, the process of destruction of parts begins. The final stage of this process involves a wedge in the gearbox.

Oil change intervals

The intervals between lubricant changes are individual for each vehicle. As a rule, they are indicated by the manufacturer in the passport or machine manual. If we talk about average terms, it will be approximately 50-60 thousand kilometers. The Russian manufacturer AvtoVAZ, for example, recommends pouring new oil into the gearbox after 75 thousand km.

Much depends on the driving style and vehicle operating conditions. Intense driving in traffic jams, where the "acceleration-deceleration" style suggests itself, leads to the need to change the oil after 40 thousand kilometers. The quality of the oil itself plays a role. Mineral compositions without additives are considered the least effective and long-lasting. Semi-synthetic and synthetic transmission lubricants are more durable.

Which oil to use?

In the choice of a transmission lubricant, a lot depends on the type of gearbox. To understand which oil is best to fill in the gearbox in a particular case, the basic division into compositions for automatic and mechanical units should be designated. Means for automatic transmissions are marked with the abbreviation ATF and differ in higher requirements. This oil not only provides lubrication to the gear elements, but also contributes to the smooth operation of the friction parts. The properties of oils for manual transmissions (MTF marking) are more focused on reducing mechanical loads, lubricating friction spots, removing heat and corrosion particles.

It is equally important to take into account the viscosity coefficient - the separation in this classification can be determined by the SAE and API designations. API grading provides 7 categories, differing in the degree of loads exerted on the transmission parts. If the oil is selected in the gearbox in accordance with sAE classification, then the seasonality of the composition will come to the fore. So, there is a distinction between transmission autochemistry for summer, winter and all-season operation.

Preparing for oil change

The operation of draining and filling oil does not cause any particular difficulties for experienced motorists, but to facilitate it, you should be well prepared. First, you need to determine how much oil is in the transmission of the serviced car. For example, VAZ models require 3-4 liters on average, and a standard European sedan may require 5-7 liters. To ensure this volume, you need to take a suitable container - a basin, bucket or canister.

It will also require conditions for setting the car in a position convenient for changing the fluid. For this, you can use a flyover or a viewing pit. Due to the lack of special conditions, many garage technicians change the oil in the car's gearbox by placing it on the curb with the front wheels. But this is an extreme case, since there is a risk that the filled liquid will stagnate at an angle.

Oil change procedure

When the vehicle is ready to change the transmission fluid, the operation can begin. In most cases, it is performed according to the following instructions:

1. The car is put on the handbrake, and its wheels are securely blocked.
2. The cap in the liquid fill port can be removed and cleaned.
3. Next, the oil dipstick is removed (in some models it is absent).
4. The drain plug is unscrewed, after which a container is brought to the hole to drain the oil.
5. Waiting for the oil to drain - on average, this happens in 15 minutes.
6. Next, the oil is poured into the gearbox with a periodic check of its level using a dipstick. The procedure can be completed when the “max” mark is reached.

Conclusion

Manufacturers of auto chemistry regularly improve the composition of transmission fluids, allowing ordinary drivers to ensure high-quality and durable operation of gearbox mechanisms. Knowledge of the rules for updating lubricant compositions allows you to economically maintain cars without contacting specialized services... Correctly selected and correctly filled oil in the gearbox will not only extend the service life of the transmission parts, but also increase the working resources of the elements that interact with these mechanisms.

The cost of such oils varies from 100 to 800 rubles. per liter. Considering that the replacement is performed on average once every 2-3 years, the most economical motorists can accept such costs. This is exactly the case when ensuring reliability and safety on the road costs a reasonable price.

Gearbox (gearbox) - one of essential elements car. Her good work affects overall performance vehicle, in connection with which it is very important to monitor her condition. The main point here will be the correct and timely oil change.

Many motorists entrust this procedure to specialists, although you can change the oil in the gearbox with your own hands. But how to do this, we will talk in this article.

In general, the general process of changing the oil to different models and car brands is the same.

Changing the oil in the gearbox on VAZ cars (manual transmission)

On the example of the car VAZ 2114

You'll need:

• Funnel;
• A fairly long (about half a meter) thin hose (you can also use a syringe);
• Clean rags;

Instructions

1) ... First of all, we need to warm up the oil in the gearbox. Therefore, you should drive a couple of kilometers, after which we drive either onto an overpass or into a pit and put the car on the handbrake.

2) ... We remove the protection and the rubber cap from the breather. We clean it up.

4) ... Place the drain container under the hole and unscrew the plug with a 17 key. We wait until the oil is completely drained, after which, tightly close the hole with a stopper.

5) ... Then, using a funnel with a hose or a syringe through the dipstick hole, fill in the required amount of oil (remember, the oil level should not be above the mark « MAX)» ... Install the dipstick in its original place and close the breather with a rubber cap.

Video

Changing the oil in the gearbox on Renault cars (manual transmission)

For example Renault Logan

You'll need:

• Head "10" or socket wrench;
• Square key "8 mm";
• Pliers;
• Metal brush;
• Waste fluid container;
• Blower or funnel with hose (about 0.5 m);

Instructions

1) ... After driving several kilometers, we warm up the fluid in the gearbox, after which we drive into the pit.

2) ... Using the "10" head or a key, unscrew the six bolts securing the crankcase protection.

3) ... We clean the body from dirt (in the area of \u200b\u200bthe filler hole is required).

4) ... We turn out the plastic filler cap. We do this work manually, but if it doesn't work out, then you can use pliers.

5) ... Gently turn out drain plug, so as not to damage the gasket and drain the waste liquid into a previously prepared container.

6) ... We inspect the drain plug and its magnetic part for the presence of metal particles. The formation of small particles can be caused by normal wear and tear of the mechanism. Larger particles, with traces of chips or work hardening, can tell us about possible damage to the gears.

7) ... We rinse the drain plug and clean its magnetic part from metal particles.

8) ... Replacing the gasket, we wrap the drain plug.

9) ... Insert the hose from the blower or funnel into the filler hole. In cases of using a funnel, we lower its hose from the engine compartment.

10) ... Fill in liquid (about 3.3 liters). The hole through which the liquid is poured is at the same time a control one, a leak from which tells us that the norm is filled.

11) ... We wrap the filler tube.

12) ... We remove drips from the gearbox housing, since they are concentrators of dirt accumulation during operation. We clean the crankcase protection from dirt and mount it in its place.

Video

Changing the oil in the gearbox on Ford vehicles (manual transmission)

For example, Ford Focus 2

You'll need:

• Hexagon "8";
• Funnel with a hose;
• Heads "17 and 19";
• Capacity for draining waste liquid;

Instructions

1). We warm up the oil, as in the previous cases, and then we drive into the inspection pit or overpass.

3) ... After removing the cover, you can see two turnkey plugs. One of them (on the filler hole) for an internal hexagon "8", and the other (drain) for the head "19".

4) ... We loosen the filler plug, unscrew the drain plug and drain the oil into the prepared container.

5) ... After all the oil has drained out, screw the plug back and unscrew the filler plug.

7). After we merge flushing oil fill in (approximately two liters) transmission oiluntil it starts to flow out. Then we twist the filler plug.

8) ... Install the gearshift cover in place.

Video

Changing the oil in the gearbox on Nissan cars (manual transmission)

For example, Nissan Tiida

Instructions

1) ... We unscrew the drain plug of the gearbox, drain the oil into a previously prepared container. We are waiting for the oil to completely drain.

2) ... We replace the sealing ring on the drain plug in order to further exclude the possibility of oil leakage during vehicle operation.

4) ... Insert the syringe tube into the filler hole and pour oil into the box. You will need up to 3 liters of oil.

5) ... The filling hole is also the level of the oil volume, that is, we pour oil into the gearbox until it runs back from here.

Video

Toyota gearbox oil change (automatic transmission)

For example, Toyota Corolla

You'll need:

• Funnel with a thin neck;
• A set of keys and heads;
• Selected ATF fluid for automatic transmission (preferably Toyota ATF Type T-IV or Toyota WS);
• O-ring and filter;
• Kerosene or gasoline;
• Wooden spatula;

Instructions

1) ... We warm up the car engine, after which we drive into the inspection pit or overpass.

2) ... Open the gearbox drain plug.

3) ... We tighten the bolts that hold the pallet. The first two bolts must be completely unscrewed, and the opposite ones not completely.

4) ... Next, using a wooden spatula (so as not to spoil the gaskets and not bend the pallet), carefully remove the pallet. It should hang at you on two bolts not completely unscrewed. Make sure that the gasket remains on the case of the box or on the pallet itself.

5) ... Raise the pallet and unscrew the remaining bolts. Remember, due to heating, the oil is hot, and therefore this work must be done extremely carefully.

6) ... Unscrew the differential plug and drain the remaining oil.

7) ... We thoroughly rinse the magnetic plug, magnets and the inner surface of the pallet in gasoline or kerosene, and then wipe the parts with a dry cloth.

8) ... We also wipe the place for installing the gasket with gasoline or kerosene, but also the seal itself. If necessary, we also replace the pallet gasket.

10) ... We return the magnets to their places.

11) ... After all the constituent elements are replaced, we collect everything in the reverse order: we tighten the magnetic plug, put the pallet in place and tighten the bolts.

12) ... We screw the drain plug into place.

13) ... Now you can pour oil through the filler hole. Fill in a little less than it was drained. If necessary, it will be possible to top up a little later.

14). To heat the engine to working temperature, start the car.

15) ... While the engine is running, we transfer the automatic transmission selector one by one to the R – N – D – 2 – L modes, and then in the reverse order. Take a break of about 10 seconds between positions. We do this operation three times.

16) ... The oil level can be checked with a dipstick. It should reach the top mark of the dipstick. Remember, when checking the oil level, the car must be on a strictly level horizontal surface.

Video

Changing the oil in the gearbox on Opel cars (manual transmission)

On the example of Opel Astra

You'll need:

• Syringe;
• Container for draining waste oil;

Instructions

1) ... We warm up the engine and drive into the inspection pit or overpass.

2) ... We unscrew the oil drain bolt and drain the old oil into a previously prepared container.

3) ... After the old oil is completely drained, put the drain bolt in place and through the filler hole (it is also the control hole), fill the oil with a syringe. Fill until it flows from there.

Changing the oil in the gearbox on Skoda cars (manual transmission)

For example, Skoda Octavia Tour

You'll need:

• Hexagon "17";
• Oil drain container;
• Oil filling syringe;

1) ... First of all, we warm up the oil, in connection with which it is necessary to drive several kilometers.

2) ... We drive the car to a viewing pit or an overpass.

3) ... The checkpoint has plugs for draining (bottom on the bottom) and for filling / checking the level. Using the hexagon "17", unscrew the bottom plug, and drain the oil into a previously prepared container.

4) ... We twist it back, and using the same hexagon we unscrew the plug for filling and level control. Pouring oil into the gearbox from a canister will be quite difficult, and therefore it is better to do this with a special syringe, which can be purchased at a car dealership or with a funnel with a hose.

5) ... Fill until it starts to flow out of the filler plug.

6) ... We tighten the cork.

Video

Conclusion

It is best to drain the oil within 15-20 minutes after the ride, so that it is warmed up and merges well!

As for service, as applied to mechanical box transmissions, this procedure involves changing the transmission oil. Since the oil in the manual transmission is not a working fluid, the main purpose of replacing it is to reduce wear of parts to increase the overall service life of the unit.

Also, in parallel with the replacement of the lubricant, the manual transmission pallet is cleaned from dirt and deposits, the magnets are cleaned on which metal chips accumulate as a result of natural wear of the gearbox parts.

At the same time, experts recommend performing a replacement every 50-60 thousand km or once every 4-5 years (whichever comes first). If the car is operated in difficult conditions (constant transportation of goods, towing a trailer, a ragged pace of driving with the transition to lower and higher gears for high revs and speeds, driving in mountainous areas, etc.), then the replacement interval must be reduced by a third.

Certain signs may also indicate the need to replace the lubricant in the box. For instance:

• during the operation of the checkpoint, a stranger and / or vibration appears;
• transmissions can be engaged with difficulty until the box warms up in the winter;
• difficult to switch gears to hot,;

First of all, in such a situation, you need to pay special attention to the amount of grease in the gearbox, that is, check the oil level in the manual gearbox. In parallel, the quality of the lubricant should be assessed.

If everything is in order with the level, this does not mean that the unit does not need to be serviced. Although, as in or, however, the lubricant is still subject to oxidation, aging and loss of a number of useful properties. As a result, the viscosity characteristics change, the additives in the oil are triggered, and can precipitate.

In the process of lubricating gears, shafts and other gearbox parts transmission fluid also actively accumulates wear products (metal shavings). Even regular heating and cooling can lead to the accumulation of condensation in the oil, etc.

It is not difficult to guess that if, for no other apparent reason, the quality of the gearbox operation has deteriorated and the above signs have appeared, this indicates that the functionality of the oil in the gearbox has significantly decreased, while the overall wear of the unit has significantly increased.

We also add that much will depend not only on the level and "freshness" of the lubricant, but also on that. In other words, the use of gear oil that is unsuitable in terms of tolerances and properties can quickly damage a fully functional unit.

Changing the oil in a manual transmission: how the procedure is performed

Immediately, we note that it is optimal to change the lubricant in a warm period of time (before the onset of cold weather). On the one hand, this will allow the gearbox to warm up better and faster, and on the other hand, after the outside temperature drops, the unit will already run on fresh oil and wear less.

• Another important step is the selection of oil for manual transmission. It is important to fill only those transmission oils that are recommended by the manufacturer of the box or car. Information on oils can be found in the manual for a particular vehicle.

If the car is operated in a hot climate or in regions with severe winters, it is necessary to separately make an amendment for such conditions. The fact is that low-viscosity oils are well suited for winter, but in summer they can liquefy greatly, without providing adequate protection. The same is true for greases, which are good for the summer season, but there is a noticeable loss of fluidity after the outside temperature drops.

• Having picked up a liquid suitable for all parameters, you can proceed to replacement. In the case of manual transmissions, it is recommended to change the oil completely, and not partially. In order to perform such a replacement, you need to lift the car on a lift, drive it to a viewing hole or overpass. Of the basic tools you will need: a set of keys, a screwdriver, pliers, a special syringe and flexible tubes. It is also advisable to have a rag and a container on hand for draining used oil from the gearbox.

We add that some boxes on different models are considered maintenance-free. For this reason, there may be no drainer... In this case, it is required to remove the transmission pan to completely drain the old fluid.

When removing the pallet, you need to be prepared for the fact that the gearbox pallet gasket will also need to be replaced. We also note that in some cases, after removing the sump, cleaning it and reinstalling it, oil is poured into the unit through the gearbox breather, which is previously unscrewed for this purpose.

The oil level when filling through the breather is checked using the so-called inspection hole. As soon as the level of the liquid rises to the lower edge, this means that the oil is filled in sufficient volume and the plug control hole can be twisted.

We also note that some car owners, before changing the oil in the gearbox, pre-flush the gearbox using special flushing compounds and cleaning additives. As practice shows, such a procedure is often not required for mechanics. If the box does not have severe wear, the state of the drained mining is satisfactory, then it is quite possible to refuse additional cleaning.

Read also

Is it possible to mix oils in a gearbox: what you need to know possible consequences mixing gear oils for gearboxes. Helpful hints.

Changing the oil in the gearbox (gearbox) is a procedure that every car owner faces. Its need is due to the fact that the gearbox, like many other vehicle units, tends to wear out and requires periodic maintenance. Ride comfort and the absence of problems with vehicle operation largely depend on timely diagnostics and maintenance.

Changing the oil in the gearbox (gearbox) is an important procedure for every car owner.

The importance of changing oil in different types of gearboxes

Oil change should be done in a timely manner. If you do not know when to do this, then you need to diagnose the gearbox.

By the principle of work and overall design The gearbox is divided into a manual transmission (manual transmission) and an automatic transmission (automatic transmission), each of which has its own design features and service requirements. In addition, some of the latest models of cars began to be equipped with a mixed type gearbox, where gear shifting is possible both manually and automatically.

The main factor in maintaining the unit in good working order is the timely replacement of the transmission oil. As a rule, the frequency of replacement and the requirements for the fluid can be found in the vehicle operating instructions, adherence to which is also an important factor in eliminating technical issues or breakage. If this information is not available, it is recommended to carry out regular diagnostics to prevent malfunctions.

Back to the table of contents

Features of oil change in manual transmission

A gearbox is a unit that serves for optimal engine operation in various driving conditions by adjusting the level of the transmitted internal combustion engine (engine internal combustion) power to the driving wheels. In the case of a manual transmission, the driver himself carries out gear changes, thereby regulating the mode iCE operation... This allows you to better control the speed and behavior of the machine, as well as select the driving mode.

Each car has its own oil change period, which is indicated in the service book.

Gear oil protects the friction elements of the unit from wear. The constant contact of rubbing elements and the action of high temperatures lead to a gradual decrease in protective properties and, as a consequence, to the risk of malfunctions. When to change the oil in the box?

An oil change in a manual transmission is necessary in the following cases:

1. Difficulty shifting gears, which consists in the need to apply additional physical force.
2. The appearance of uncharacteristic sounds and noise.
3. "Incomplete" inclusion of the transfer.

What is the mileage allowed between replacements? Each car has its own replacement frequency, which is indicated in the service book. You can replace it yourself, or you can contact a specialist. If the owner decided to make a replacement on his own, the procedure will look like this:

Before you start changing the oil yourself, you need to know the rules for doing the job.

1. You need to make sure that the fluid has the necessary technical properties (viscosity).
2. Drive a short drive until the fluid reaches a certain viscosity, then allow the vehicle to cool down for 15 minutes.
3. Place the machine on a level surface (on a “pit” in the garage).
4. Locate the crankcase (container) with oil.
5. Unscrew the plug and drain the "waste" into a separate canister.
6. Filling oil into the gearbox can be done with a syringe or other handy device to the desired level.
7. Screw on the plug.

Back to the table of contents

Features of oil change in automatic transmission

The automatic transmission ensures maximum driving comfort, as the shifting takes place without driver intervention. The automatic transmission is more complicated than the manual transmission, and therefore requires more careful maintenance. In addition, the presence of an automatic transmission increases fuel consumption. Oil change intervals are usually determined by service book machine, but may vary depending on operating conditions and climate.

Today, there are vehicles where an automatic transmission oil change is not needed at all. Of the features of the automatic transmission, a large volume of fluid can be distinguished, which is used when replacing. To replace fluid in an automatic transmission, they usually use the following methods:

A complete oil change in the automatic transmission is performed on technical station professionals.

1. Partial replacement. The essence of the method is an incomplete oil change, its "refreshing". The process itself is quite simple: the crankcase plug is unscrewed, all the oil that can leak out is drained (as a rule, more than half of the fluid remains in the system), and a new one is added. Thus, the old and new fluid are mixed. You can carry out this procedure yourself, but you need to remember that for complete replacement you will have to repeat it several times, and the oil consumption will come out more than to do everything "at one time". Can be performed both at the station and independently.
2. Complete oil change at the technical station. All work will be performed by professionals using the appropriate equipment. In this case, the unit will work properly and fuel consumption will decrease. True, this will cost certain financial costs. An important point is the availability of proven, good service.
3. Complete oil change on your own. This method is worth resorting to if the car owner is completely confident in his abilities and has technical knowledge.

Each of the listed methods can be used, being 100% sure of a positive result.

Back to the table of contents

Perhaps, there is no such car owner who would not want his vehicle to serve him for a long time and not cause problems. In order for the checkpoint to work normally, you need to adhere to simple methods:

1. It is important to choose the optimal speed mode. It is advisable to exclude sudden acceleration and deceleration.
2. Correct operation of the checkpoint. In the manual transmission, smoothly depress the clutch pedal before engaging the gear; in the automatic transmission, follow the rules for switching the selector.
3. Strict adherence to the requirements of the vehicle operating instructions, both in terms of replacement frequency and in the choice of fluid. For example, the type of automatic transmission fluid is ATF.
4. Periodic diagnostics of the unit condition.

An incorrectly selected gear oil can not only fail to bring a positive effect, but also lead to damage.

Still, the best solution would be to entrust the work to specially trained professionals. This will save the "box" from possible negative consequences. Following these tips will prolong the "life" of the checkpoint and eliminate the appearance of problems.

Just like the engine, the gearbox needs constant attention and maintenance. It is important to monitor the oil level, its quality characteristics, diagnose the condition of the gearbox. All this will allow you to avoid costly repairs and problems with the use of the car.

However, the list of works on maintenance car includes replacement engine oil... Unfortunately, after purchasing a vehicle, many forget that there is also oil in the gearbox, it must be replaced.

How often you need to change the oil depends on the type of box, the oil itself and the date of its previous change. It is necessary to change the oil, since the properties of the additives are lost during the operation of the machine. This means that the working surfaces are not protected. The liquid foams, the main gear is scuffed, then everything goes to the hum of the gears and, as a result, to the jamming of the box. This "alignment" is typical for cars with front-wheel drive and all-wheel drive.

Cars with rear wheel drive and manual transmissions do not have such high temperature loads in the gearbox, which means that the oil lasts longer without losing its lubricating properties. As a rule, it is changed at the same time as the oil in the gearbox. Particles of chips and dirt that appear during the operation of the gears are removed, and when replaced, they flow out together with the used oil from the gearbox housing.

However, it is worth paying attention to a very important fact: there are cars, the oil in the box of which is poured once for the entire service life of the car. But it is very difficult to find the maximum service life in the operating manual. Europeans, for example, believe that a car with an annual mileage of 35 thousand km should be disposed of after 7 years. But for Russians, a seven-year car is almost new car, and therefore, when buying a used car, you should remember about the costs of changing the oil and in the gearbox.

Oil change in automatic transmission

Manual transmission oil is clean lubricant, and in an automatic transmission, oil has several functions. It lubricates, removes micro-particles from gear wear, and removes heat from the heated torque converter. The oil should be changed in accordance with the manufacturer's recommendations specified in the operating manual. The interval and the brand of oil recommended by the manufacturer are also indicated there.

Variable speed gearboxes, considered automatic, but arranged in a completely different way, are now becoming quite common. They work in a mode of hard temperatures, and therefore automatic transmission oil will not work for them. A special fluid is used here, which must also be changed in a timely manner due to loads, temperatures and a decrease in additive properties.

The frequency of oil changes may depend not only on the mileage, but also on the make of the car, model, and on its very composition. As a rule, mineral transmission oil is poured into the box of cars with rear-wheel drive. It cannot self-clean, and it is changed after a run from 30 to 40 thousand km, thus reducing the wear of the gears, reducing the degree of contamination of the additive. Synthetic oils are used in high-class cars with manual and automatic transmissions. "Synthetics" is self-cleaning and has a weighty additive package that protects against wear. This oil must be changed after a run of 60-70 thousand km, in automatic transmission - after 50 thousand km.

Under optimal operating conditions, replacement can be made after a run of 80 thousand km or every 2 years. But, as you know, the overwhelming majority of motorists find themselves in traffic jams, a sharp change in temperature, so the oil should be changed after every 25 thousand kilometers.

Should the quality of the liquid in the box be checked and how often should it be done?

Experts say: once a week. If the liquid has become dark and has acquired a burning smell, then there is no need to wait for a planned replacement. It is checked on a paper napkin. It is necessary to drip onto a napkin from the dipstick and make sure that there are no foreign inclusions in the drop, the liquid should be easily absorbed, be transparent and homogeneous.

In this case, the crankcase is not washed. The debris must be removed by hand and the magnet on which the chips have collected is cleaned. After assembling the assembly, new oil is poured, despite the fact that the replacement was made recently. It is also necessary to check the engine cooling system: the antifreeze must be transparent, free from water-oil emulsion. And changing the lubricant of the box entails changing the filter and the pan gasket.

It must be remembered: the machine cannot be operated with a faulty box. It is necessary to timely diagnose the unit, change the oil. Then the life of the car will be extended.