Changing the oil in the gearbox of Lada 2105 (VAZ 2105)

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In technology without lubrication, little moves as it should. Therefore, it is important that there is oil in the engine, gearbox, and rear axle, but this same oil loses its properties over time and needs to be changed. These instructions for changing the oil on a VAZ 2105 car will tell you in detail about when to change the oil, in what sequence and how. Also here you will find useful tips and photos and videos that clearly show the essence of the process.

• Frequency of engine and gearbox oil changes
• Which oil to choose for the VAZ 2105 engine and gearbox?
• Oil change tools
• Change of oil
  Preparing the car
• Changing engine oil VAZ 2105
• Changing the oil in the VAZ 2105 gearbox
• Changing the oil in the rear axle

Sequence of work

To do this you need to complete the following steps:

1. First of all, the oil must be warmed to operating temperature. This can be done by driving a few kilometers.
2. The car needs to be driven onto an overpass or inspection hole and put on the handbrake.
3. Find the drain and fill holes.
4. Clean the transmission housing and oil fill and drain plugs using a wire brush and then a rag.
5. Place a container under the drain hole to drain the used oil.
6. Using a hex wrench, unscrew the drain plug.
7. Drain the waste. You should be careful at this point, as the oil is very hot.
8. Clean the drain plug from dirt and screw it into place.
9. Carefully inspect the drained lubricant. If there is metal dust in it, then the gearbox requires repair.
10. Insert the grease gun into the oil filler neck and fill in the required amount of oil. Typically, liquid is added until it begins to flow out of the filler hole.
11. Screw the oil filler cap into place. The oil change is complete.

For those cars whose boxes have a dipstick for checking the oil level, the steps are as follows:

• Find the drain cover on the gearbox.
• Remove the rubber cap from the gearbox and clean it. At the same time, clean the breather, then return the cap to its place.
• Place a container for waste fluid under the crankcase and unscrew the drain cap.
• Wait until the oil drains completely.
• Screw the drain plug into place.
• Pull out the dipstick showing the oil level in the gearbox.
• Insert a funnel where the dipstick was and add fresh fluid.
• While pouring lubricant, you need to monitor the level using a dipstick.
• The fluid level should be midway between the minimum and maximum marks.

Difficulty switching

Now let's briefly look at other faults. Difficulty shifting gears will be next.

The reason for this may be:

• Wear of the switching mechanism or its deformation (scenes);
• Wear, the appearance of burrs on the gear shift axles or on their seats, jamming of the crackers;
• Damage or wear of the splines of the synchronizer sliding couplings;
• Damage and bent shift forks;

In the first case, to restore functionality, you don’t even need to remove the transmission from the car, since replacing the VAZ-2105 gearbox shifter is possible without dismantling the transmission unit.

To do this, it is enough to remove the lever, boot, and plastic protective cover to provide access to the fastening elements of the switching mechanism, which must be unscrewed in order to remove the mechanism assembly. And then it is replaced or repaired.

Important! In a 4-speed gearbox, a tension spring is attached to the rod from inside the crankcase, which ensures a constant position of the lever opposite 3-4 gears and prevents its vibration. Therefore, when removing the mechanism, you should first lift it a little, and then pry the spring with a hook made of steel wire, remove it from the eye of the rod and hold it in a slightly tense position so that it does not fall into the crankcase

Before installing the new link, use the same hook to hook the spring and install everything in place.

As for other breakdowns that make it difficult to engage the gears, you will have to remove the gearbox, disassemble it, identify the worn or damaged element and replace it.

Complete oil change

Since checking the oil level is not required, it is advisable to change it when the car is warm. Sequencing:

We install the car on a pit, overpass or blocks to gain access to the drain hole located on the bottom of the box housing. We place the prepared container under the drain hole. We unscrew the drain plug using a hex wrench, being extremely careful as the oil is hot. When the waste stops dripping, thoroughly clean the drain hole and seat from dirt, tighten the drain plug without being too enthusiastic (so as not to strip the thread). Using a socket or wrench 17, unscrew the filler plug located on the side wall of the box on the right along the direction of the car. Filling with fresh transmission oil is done using a special syringe with a curved end, although it is quite possible to use a regular large-volume syringe by attaching a rubber or plastic hose 15–25 cm long to its lower end using tape

Since the volume of a special syringe is 500 cm3, and it is also quite difficult to find a syringe of a larger volume in pharmacies, filling should be done several times, and quite slowly. When liquid begins to flow out of the filler hole through the top, this means that the required level has been reached. We tighten the plug, also without applying excessive force. We check for the presence or absence of leaks, first of all from the drain hole. If necessary, tighten the plug.

After completing the procedure, we check the used oil for the presence of metal shavings, crumbs and microparticles. If any, this indicates the need for transmission repair. We visually inspect the housing for cracks and leaks; if they are present, it is necessary to eliminate the detected defects.

If the waste is black in color, indicating that it is heavily contaminated, it is advisable to flush the gearbox housing before changing the oil in a manual transmission in a VAZ model 2106. For this procedure, you will need to mix 0.7 liters of transmission fluid and 0.3 liters of diesel fuel (you can use a ready-made flushing mixture sold in auto chemical departments). We pour the resulting liquid into the box, jack up one of the drive wheels, start the engine, and let the engine run in one of the forward gears for several minutes. Drain the flushing fluid and fill in new one.

Regularly checking the oil level and quality will help determine whether it needs to be replaced ahead of schedule. If the transmission fluid becomes very dark, an unscheduled replacement should be carried out, which will help extend the life of the manual transmission.

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CHANGING OIL IN A VAZ 2108 GEARBOX - STEP-BY-STEP INSTRUCTIONS

Remove the rubber cap, then rinse it and use a wire to clean the hole in the breather, then install it back.

Place a container for used oil under the drain hole.

Changing the oil in the box and axle of a VAZ 2107

Now unscrew the oil drain plug.

• Carefully drain the oil. Wait some time for the used gear oil to completely drain into the container.
• Screw in the oil drain plug.
• Before changing the oil
  in the VAZ 2108 gearbox, remove the oil level dipstick.
• Take a can of oil or a special oil can and pour clean oil into the hole.

Now you need to clean the dipstick from any remaining old oil and measure the oil level in the gearbox.

To do this, put the dipstick in place, then remove it again and make sure that the oil level is within the upper and lower marks. As I already said, it’s better when the level is at the top mark.

On more “ancient” old-style transmissions (without a dipstick), the filler neck is located on the right side of the gearbox housing.

Unscrew the cap, then pour oil into the box using a syringe. The optimal level will be the level of the lower edge of the oil filler hole.

That's all about changing the oil in the gearbox, now all that's left is to wash your hands and start using it.

Instructions for changing and topping up oil in the gearbox of a VAZ-2106 car

Having first appeared in 1975, the VAZ “six” turned out to be a long-liver, and with figures close to record ones: it was produced until 2005, that is, 30 years, and during this time about 4 million copies rolled off the assembly line. It is safe to say that this model is one of the most popular models in the global automotive industry.

It is not surprising that today the VAZ-2106, along with all its modifications, is a frequently encountered car on the roads of post-Soviet countries. Relatively low cost, availability of spare parts and ease of operation, maintenance and repair are the main advantages of this model. Most car repair and maintenance operations can be done on your own, including changing the oil in the VAZ-2106 gearbox.

We will tell you about it today.

Repair process

Each gear is disassembled separately, and it is important to carefully check not only the gaskets, but also the seals. Correction and diagnosis of breakdowns include replacing gaskets, this is a prerequisite; oil seals are usually changed if they are very worn

To replace parts, you can buy a ready-made gearbox repair kit, designed taking into account the most frequently occurring faults in five-speed gearboxes. Also, before disassembling the transmission, prepare the necessary tools: an impact driver, a three-jaw puller, wrenches of different diameters and a torque wrench. Also for maintenance you will need fixing glue, a set of gaskets and seals, preferably a repair kit.

Thus, it is quite possible to carry out maintenance and repair of the VAZ 2107 gearbox yourself, the main thing is to follow all the requirements of the dismantling instructions and follow the drawings during assembly.

Leaks and problems

Oil burning on a Lada Vesta with a 1.8 liter engine, marked 21179, is a common problem. The manufacturer AVTOVAZ knows about this, but does not admit that this is a problem, but states that it is a design feature.

At the same time, the manufacturer allows an oil consumption of 0.7 liters of oil per 1000 kilometers. And at high speeds or sporty driving style. When the crankshaft rotates at high speeds, that is, the tachometer needle is above 3000 rpm when driving. Zhor can reach up to 1 liter.

Moreover, this does not depend on the mileage; the car can start eating oil from scratch, that is, immediately after purchase. By the way, oil burns on 1.6 engines are much less common.

There is another problem, which is also quite widespread, when car owners notice oil in spark plug wells. If the car is under warranty, then we simply go to the dealer to have it fixed.

If there is no longer a guarantee, then we do the following. We take the solvent and thoroughly wipe the spark plug well. Inside the wells themselves you can find 2 small grooves; they need to be sealed with sealant. Apply the sealant to your finger and try to rub it into the grooves; remove the residue with a rag. This is a simple way to eliminate this leakage.

Source

Features of changing the oil in the box

Before you start changing the oil in the VAZ 2115 gearbox, you need to determine which transmission is in your car. These domestic cars were equipped with two types of boxes - old and new. The former do not have a dipstick for checking the oil level, while the latter have one. To understand what type of box is installed in your VAZ 2115, open the hood and find the dipstick handle. If it's not there, you have an old box.

When replacing the fluid in the gearbox, you need to let the car sit for a while - about 10-15 minutes so that the oil drains down. It is better to warm up the car to operating temperature first so that the oil can drain better along with all the dirt and deposits that accumulate on the walls.

Changing the oil in new boxes

Changing the oil in a VAZ 2115 in a new type box will require you to have an inspection hole or overpass onto which you need to drive the car. After this, you need to pull out the dipstick to check the oil level.

Go under the car with a 17 key and grab a container to drain the waste fluid. Using a key, you must tear the drain plug and place the prepared container. After this, unscrew the bolt by hand and get ready for oil to start draining from the drain hole. When all the liquid has drained, which will take about 10-15 minutes, screw the bolt into place and go upstairs.

Approximately 3.3 liters of liquid should enter. After pouring the oil, wait a few minutes so that it completely flows into the bottom of the box, and then check the level again using the dipstick. If necessary, you can add the missing amount of oil. It is better to fill it so that the level exceeds the max mark by about 5 millimeters.

New style boxes

The old and new boxes differ from each other only in the filler holes, which are located in different places. The replacement process in an old transmission is carried out approximately the same as in the case of an old transmission, with some minor differences.

The filler hole is located in a different place - not in the upper part of the box, but in the lower part above the drain plug. When changing the oil in a VAZ 2115 gearbox, you need to fill in new lubricant using a special syringe or hose with a funnel.

Checking the oil level

If your transmission has a special dipstick in the engine compartment, there will be no problems checking the oil level. Take it out, wipe it with a rag and put it back in

Pull it out again and pay attention to the oil level. To make it easier for you to get to the dipstick, you can remove the air filter housing

The oil level should be filled to the maximum level. Otherwise, lubricant must be added to the system. the fact is that there is one gear in the box, which is responsible for the operation of the fifth gear, which is located above the others, and the oil may not reach it at a low level. Thus, in order for the gears to be easily inserted without crunching, and the box to serve for a long time, it is necessary to always maintain the lubrication level at the maximum.

When draining the oil, be sure to look at it - there should be no metal shavings in it. Its presence indicates improper operation of the gearbox. The issue may be due to untimely replacement of the lubricant or the use of poor quality oil. Under no circumstances should the drained used oil contain metal fragments or other signs of gearbox failure. If they are present, contact a service center or fill in new oil and drive it for about a week. Then drain it and see if there is any new debris in the fluid. Repeat the procedure in a month - if everything is in order, you can drive without contacting the service center.

Finally, we note that you must learn how to operate the gearbox correctly, without inserting gears too abruptly. Otherwise, the engine will not have time to slow down and shifts will be bumpy, which is bad.

09.08.2012

In this article we will learn how to change the oil in. After 75,000 km, the question arises of replacing the transmission oil in the gearbox. Changing the gearbox oil is a simple task, but you will have to get your hands dirty. So, we will need:

• capacity of at least 5 liters (bucket, basin, bottle);
• inspection hole or overpass (at worst, you can park the car with the front wheels on the curb, but it is not recommended, because oil may stagnate at an angle - I haven’t checked, I don’t know);
• new gear oil suitable for weather conditions and your car brand ().

Noise Removal

The noise of the VAZ-2105 gearbox can occur due to wear of bearings, wear of gear teeth and gears, as well as synchronizers, and axial displacement of the shafts relative to each other.

If such a problem occurs, it will be necessary to remove the transmission from the car, since it cannot be repaired otherwise. Note that eliminating noise is one of the most difficult operations to perform, since it requires complete disassembly and reassembly of the gearbox with replacement of worn elements.

In addition to the standard set of keys and screwdrivers, you will additionally need a universal puller. Next, we’ll look at how to completely disassemble a VAZ-2105 5-speed gearbox.

So, all work is done on the removed gearbox:

1. Drain the oil and remove the bottom cover. We immediately assess the condition of the gear teeth. If their damage is not noticeable, most likely the noise is coming from the bearings;
2. We check the position of the gearshift lever (it should be in neutral), after which we dismantle the gear shift mechanism (link) from the gearbox;
3. Remove the cover of the clamps and remove the springs and balls;
4. We remove the elastic coupling from the secondary shaft, and then its hub (to unscrew the hub nut, unscrew the bolt securing the 3rd and 4th gear forks, engage 1st gear in the gearbox and displace the 4th gear synchronizer clutch. Two at a time the gears are engaged, the gearbox will be blocked and the nut can be unscrewed);
5. We unscrew the speedometer drive, the sensor for turning on the reverse speed light and the exhaust system pipe mounting bracket;
6. We unscrew the fastening elements of the rear gearbox cover (5-speed gearboxes have 5 external nuts and 1 internal nut, 4-speed gearboxes do not have an internal nut). Then remove the cover. In this case, the bearings are second. the shaft and the 5th gear block will be disassembled - the inner races will remain on the shafts, and the outer ones, together with the rolling elements, will be in the cover, and all this will need to be dismantled for replacement;
7. Remove the speedometer drive gear and oil deflector from the secondary shaft;
8. We dismantle the gear block of the 5th and reverse gears by unscrewing its fastening bolt installed in the shaft, as well as the reverse intermediate gear from the axle;
9. Remove the 5th gear synchronizer from 2nd. shaft, the 5th and reverse gear shift fork together with the axle, then remove the 3rd and 4th gear axle block;
10. We dismantle the synchronizer hub and the reverse gear from the second. shaft;
11. We unscrew the bolts securing the pressure plate of the secondary shaft bearing and remove it;
12. Unscrew the clutch housing from the gearbox;
13. Unscrew the intermediate shaft bolt and remove the front bearing;
14. We remove the rear bearing of the intermediate shaft, after which it can be pulled out of the box body;
15. We remove the axles and forks of the remaining gears, as well as the axle block of the 1st and 2nd gears;
16. We take out the input shaft;
17. We remove the secondary shaft along with the gears;

Well, then troubleshooting of the component elements is carried out, worn and damaged components are replaced and assembly is carried out.

Note that this disassembly diagram is general and does not consider such nuances as removing retaining rings, sealing washers, engravers and other small elements.

Necessary tool

To change the engine oil, you need to prepare the following tools and accessories:

• hex key 12;
• star key 14 x 17;
• special wrench for unscrewing the oil filter;
• tube Ø 12 mm;
• 5 liter container for draining used oil;
• purchase 4 liters of appropriate oil;
• new oil filter.

Changing the oil in the VAZ 2105 engine. Keys and accessories

We make a replacement

Before draining the used oil, start the engine and warm it up to operating temperature, that is, up to 90ºC. So:

• Then we drive the car onto a pit or overpass to make it easier to work under it.
• We turn off the engine and wait 10 minutes. During this time, all the oil from the system will drain into the engine crankcase.

Changing engine oil on a VAZ 2105. Draining used oil

Then we place a container for used oil under the drain plug on the crankcase. Use a hex wrench to unscrew the drain plug.

Attention: you must unscrew the plug carefully, as the oil is hot. To avoid scalding your hands, it is better to wear gloves

In order for the oil to drain faster, it is necessary to remove the filler plug on the valve box cover.

Open filler neck

• While the oil is draining, you can unscrew the oil filter. This can be done with gloved hands. If the filter cannot be unscrewed by hand, then in this case you need to use a special wrench, which can be purchased at any auto parts store.
• We take a new filter, fill it with about 250 grams of clean oil of the same brand that you are going to pour into the engine. Check the rubber gasket. If there are no visible defects on it, then lubricate it with oil and screw the filter into place by hand, trying not to strain too much. It is better to tighten it up after the oil has warmed up.
• If all the oil has drained, screw the drain plug into place, first checking the gasket for any defects.

Unscrew the oil filter

Now you can add fresh oil.

VAZ 2105 engine oil change

This is done through the filler neck on the engine valve cover. For convenience and to avoid spilling the oil, you can adapt the cut off upper part of a five-liter plastic container into a funnel. So:

When pouring oil into the engine, it is necessary to monitor its level using the dipstick. Before measuring, you need to give time for the oil to drain into the crankcase. The oil level on the dipstick should be 2/3 between the minimum and maximum marks.

Minimum and maximum marks on the dipstick

After the oil has been changed in the VAZ 2105 engine, it is necessary to close the filler neck with the cap and start the engine.

After starting, you must carefully monitor the oil pressure warning lamp. If it does not go out within 3-4 seconds, you should immediately stop the engine. After a short stop, restart the engine. If the light does not go out within 3-4 seconds, then repeat stopping and starting the engine again.

Attention: Under no circumstances allow the engine to run for more than 4–5 seconds with the warning light not extinguished, and certainly do not sharply increase the speed. This could lead to a serious accident

If the light remains on, check the oil pressure sensor.

• After you have started the engine and the warning light has gone out, let the engine run and warm the oil to operating temperatures. Inspect the engine for oil leaks. If necessary, tighten the oil filter.
• Stop the engine and check the engine oil level 5 minutes after stopping. If the oil level shows below the middle between the marks, then add oil to the level of 2/3 of the distance between the min and max marks.
• The next VAZ 2105 engine oil change is performed after 10,000 km of your car.

Attention: To monitor the mileage of the car from replacement to oil change, record the speedometer readings and save the records. You will know exactly how many kilometers the car has traveled since changing the oil, and how much is left to drive before the next change

This is important to know if you are planning a long trip, and so that this procedure does not catch you along the way. Changing the oil in the VAZ 2105I engine is done in exactly the same way as in the VAZ 2105 engine

Therefore, you can change the oil by following the instructions outlined above. A comprehensive oil change for a VAZ 2105 engine, including flushing the crankcase, manual lubrication of locks and hinges at a service station will cost you approximately 1,350 rubles.

A few final words

Briefly some tips:

• Choose quality oil! Beware of fakes.
• Monitor the condition of the engine. If oil is flowing, this is not a sign that it exists; it must be eliminated!
• Change the oil on time. Do not allow the engine to run on oil that has already lost its performance properties. This threatens intensive wear of the engine, including the crank mechanism, the repair of which is not so cheap!
• Don't overlook the condition of the filler plug!

Watch the video on changing the oil to make it more clear what, how and why to do.

Take care of your car and it will serve you for a long time!

Sources

• https://remont-avtovaz.ru/kakoe-maslo-zalivat-v-dvigatel-kpp-i-mosty-na-zimu-v-vaz/
• https://masteravaza.ru/dvigatel/zamena-masla-dvigatel/vaz-2104-zamena-masla-v-dvigatele-251

CHANGING OIL IN A VAZ 2107 GEARBOX

Oil changes are required not only in the car engine. Although much less common, oil changes should be done in the gearbox. According to the regulations, transmission oil is changed approximately once every 40 - 60 thousand kilometers, and is different for each specific car manufacturer. If you do not change the oil in the gearbox, it, like in the engine, will begin to lose its qualities and properties useful for the units, which will lead to breakdown of the mechanism.

https://youtube.com/watch?v=jpzO7iyGtpk

In this article we will take a closer look at the process of replacing transmission fluid in the gearbox of VAZ family cars, namely the so-called “Classics” or “Zhiguli”. These cars include 2107 (seven), 2105 (five), 2106 (six), 2101 (kopek), and 2103 (three). All these cars manufactured by VAZ have rear-wheel drive. They are valued and respected for their simplicity and low cost of both consumables and spare parts, and the cars themselves. And also, of course, we will consider what kind of oil to fill and how much, or rather, what volume of it needs to be poured into the box.

WHAT IS NEEDED TO CHANGE THE OIL IN THE VAZ 2107 AND 2106 Gearbox

Of course, you need to approach changing the gearbox oil with all responsibility and care, and you also need to have the following tools and consumables with you:

• Hexagon at “12”;
• Key to "17";
• Capacity of five liters - for example, it could be a plastic bottle;
• Special syringe for filling oil;
• Rag.

OIL CHANGE FREQUENCY IN VAZ 2107, 2106 manual transmission

Speaking about how often you need to change the oil in a Zhiguli transmission, first of all, of course, you should refer to the technical documentation accompanying the car. The regulation clearly states the manufacturer's recommended replacement frequency, namely three years of vehicle operation or 60,000 kilometers, whichever occurs first.

Of course, there are many other factors that influence these numbers. For example, this is the quality of the liquid poured into the box. By pouring low-quality lubricant, you not only significantly reduce the interval between maintenance, but also destroy the gearbox from the inside. It is also worth remembering that transmission oil should be poured into the gearbox, not engine oil, and of course, do not forget about the markings, this also needs to be taken into account.

A few tips for proper oil changes:

Firstly, the replacement process must be carried out on a hot engine brought to operating temperature. This will ensure quick and complete removal of the gearbox from old fluid and wear products; Carry out all work with rubberized gloves - this will protect you from burns

Also take care of your face and eyes; Replacement is best done either on an overpass or in a viewing hole; When changing the oil, pay attention to the presence of metal shavings - they indicate that the car needs to repair the gearbox as soon as possible; The five-speed “Classics” gearboxes have a certain peculiarity - they need to be filled with a little more oil (approximately 250 milliliters), this is due to the fact that, due to the design features, if this factor is not taken into account and the required amount of oil is not poured, this will lead to its failure building and will require its repair; Changing the oil is quite easy, the most important thing is to decide what kind of oil to fill. First, you just need to check how much oil is currently in the gearbox and what quality it is.

THE PROCESS OF CHANGING THE OIL IN THE TRANSMISSION OF A VAZ 2107

Having prepared the tools, warmed up the car and driven it to the required site, you can begin the process of replacing the fluid:

1. We move under the car and carefully clean the gearbox pan from dirt with a rag;
2. Using a key set to “17”, unscrew the filler plug;
3. Then, take a 12" hexagon and use it to unscrew the drain plug;
4. We place a pre-prepared container under the drain hole (you need to cut off the top of the bottle and that’s it);

• Using a rag, we clean the plugs themselves and the entire space next to them;
• Screw the drain plug back on;
• Now you need to use a special syringe filled with new oil and inserted into the filler hole to pour fluid into the gearbox;

• You need to add oil until it starts pouring back out;
• Screw the filler plug back in;
• With this, the replacement process has come to an end.

In conclusion, it is worth noting that the volume of oil in the gearbox should be at the same level. The replacement must be done efficiently, because changing the oil is a very important process.

https://www.youtube.com/watch?v=8L6ppI7PDZY

VAZ oil change - rating, addresses and telephone numbers

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Which oil to choose for use in the VAZ 2107 gearbox

For VAZ cars (2101,2103,2105,2107 and their modifications), the best option would be to use GL-4 oils in the gearbox.

Depending on the prevailing temperatures in the area where the car is used, you should select the degree of viscosity of the material:

• SAE75W85 - has an operating temperature range from - 40 to + 45 degrees C;
• SAE80W85 - from - 30 to + 35 g;
• SAE75W90 - from - 40 to + 35 gr.

These are the most acceptable viscosity characteristics, which are optimal for good operation of the unit in different climates, both for summer and winter. The viscosity designation is always indicated on the packaging and quality certificate. You should not use the cheapest and low-quality lubricants to lubricate the transmission, as this will worsen the gear shifting process in winter and can lead to increased wear of the gearbox.

Viscosity

Let's start with the fact that one of the main parameters of a lubricant intended for filling into power plants is its viscosity. This characteristic determines the fluidity of the oil under different operating conditions. It must be fluid while cold (to ensure ease of starting the engine) and maintain viscosity, that is, not drain from the surface, after heating. It is the viscosity of the oil that is one of the main criteria when choosing. To designate lubricants by viscosity, a whole classification has been introduced - SAE.

According to it, all oils are divided into:

• Summer;
• Winter;
• All-season;

The first two options are relatively rare in our country; they are more intended for use in conditions of year-round stable temperatures. For the summer version, the main criterion is the preservation of viscosity at high temperatures, and fluidity at low temperatures is practically not taken into account. And everything is exactly the opposite for the winter version.

Since we have large seasonal temperature changes, it is simply not practical to use summer and winter oils separately. Therefore, it is more rational to use all-season lubricants. Moreover, they also come in different viscosities, so you should also choose the right engine oil for the winter in your VAZ.

To indicate the viscosity of all-season motor oils according to the SAE classification, an index consisting of numbers and letters is used. Examples of such markings are 5W-40, 0W-30, 10W-50, etc. The first part of the marking indicates viscosity values ​​at low temperatures. Essentially, this indicator indicates at what minimum temperature threshold the lubricant will remain fluid enough for the oil pump to “push” it through the system. And in this case, the lower the number of the first part of the marking, the greater the frost the lubricant will withstand. Thus, oil with an index of 5W will remain fluid at temperatures down to -30 degrees, but for 15W the maximum temperature threshold is already -20 degrees C.

The second part of the marking indicates viscosity at high temperatures. Here the opposite is true: the higher the number, the higher the viscosity after heating.

To select the viscosity of engine oil for the winter for a VAZ-2114 or any other model, you just need to determine the temperature in different seasons. So, for northern latitudes, you should first of all be guided by low-temperature viscosity, that is, by the first part of the SAE index. If in winter the temperature drops to -30 degrees. C and below, it is better to use 0W or at least 5W oils. Using a lubricant with a higher index will lead to the fact that in severe frosts the oil will be so thick that the starter will not be able to crank the crankshaft. But for southern latitudes, you should focus more on the second part of the index, that is, high-temperature viscosity.

For latitudes with a temperate climate, winter oil for the VAZ-2106 (in general, it does not matter which model) you will have to find a compromise so that the lubricant remains liquid in winter and viscous in summer. The optimal oil for such a climate is an oil with an index of 5W-40.