Engine oil for gearbox 2107. Which oil to choose and how to change

The rear axle gearbox of the VAZ-2107 is a complex device with the help of which crankshaft revolutions are converted into rotation of the rear wheels. The drive axle is fixed to the car body using rods. For reliable operation of the gearbox, a special lubricant is provided, which protects mechanical parts from premature wear. This device operates under large temperature differences and constant high load. Therefore, to protect surfaces, a special oil with enhanced protective properties is required.

How to change the oil on the rear axle of a VAZ 2107

The rear axle often operates at high temperatures (about 140 degrees). Under the influence of air, the composition of the lubricating fluid oxidizes, clots and sediment form, and viscosity decreases. As a result, the protective lubricant becomes useless. And the parts of the drive axle are destroyed. Changing the oil in the rear axle of a VAZ-2107 can significantly extend the life of the vehicle.

The design of the VAZ-2107 gearbox is a hypoid gear with offset axes. This structure reduces noise levels during grinding of mechanism parts. But at the same time, additional sliding can cause knots to jam. High-quality lubrication protects against the occurrence of this type of malfunction.

What kind of oil should I pour into Niva bridges?

Lukoil TM-5 75W-90 oil is a semi-synthetic fluid suitable for use in front and rear axles

Niva
car .

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Influence of viscosity grade

If the VAZ-2107 will be operated in temperate climate areas, where summers are constantly hot and winters are quite cold, then it is recommended to fill the manual transmission with all-season transmission fluid - SAE75W90. It can operate in a wide temperature range (-40/+45). Moreover, the performance qualities of the oil always remain unchanged.

When purchasing lubricant for manual transmission, you must take into account your place of residence. Each region has its own climatic conditions.

For example, SAE 80W85 can be operated in the range from +35 to -26 Celsius. Some regions require a wider range, so it is important to consider these values ​​when purchasing.

Gear oil group

In order to understand in more detail which gear oil is best for the VAZ-2107, it is necessary to consider several important characteristics of the lubricant. In particular, this applies to the group of lubricant compositions, which are:

• GL-4 – oils with a large number of additives. Excellent for use in boxes whose operating modes do not require high torques. There are also oils that, on the contrary, are more suitable for high torques;
• GL-5 is a group of oils intended for hypoid gears. If the car is equipped with a gearbox with a hypoid gear, then only GL-5 can be filled into the gearbox.

Purpose

The oil is recommended for use in manual transmissions, axles and transfer mechanisms for domestic , but can also be used in other areas of mechanics:

• for agricultural machinery;
• for attachments;
• for stationary installations with rotating gear mechanisms.
• for long-term preservation of equipment.

is not used for automatic transmissions .

TAD 17 is used for the following purposes:

• protection of metal surfaces from corrosion;
• reducing friction and wear;
• preventing jamming in mechanisms;
• from the formation of pitting (cavities) on gears;
• heat removal;
• reducing the noise of machinery.

Checking the oil level

Control checks of the fluid volume in the gearbox should be carried out every 10 thousand kilometers, as well as when malfunctions or visual leaks occur. Checking the oil level in the rear axle is quite simple. To do this, you will need a container with a volume of about one and a half liters, a 17mm wrench and a screwdriver. The next steps are:

• the car is placed on a viewing hole, overpass or lift;
• the filler plug is cleaned of dirt;
• use a 17 key to unscrew the filler plug;
• The oil level is controlled with a screwdriver: the liquid should reach the edge of the hole.

If there is insufficient protective liquid, it is necessary to add it using a syringe or other device.

Characteristics of TAD-17

TAD-17I oil is produced on a mineral basis. Initially, the product complied with the documentation TU 38 101306-72, which was replaced by GOST 23652-79. Currently, the designation and classification of lubricants is carried out according to GOST 17479.2-85. TAD stands for:

• T - transmission;
• A - automobile;
• D - discillate.

The letter “I” means the presence of a complex additive in the liquid.

It is the addition of additives and the content of phosphorus-sulfur-containing and depressant components that prevent oil foaming and squeezing out of gear.

According to current GOST, the liquid is marked as TM-5-18, where:

• TM is an abbreviation meaning “gear oil”;
• 18 — viscosity grade;
• 5 - group to which the oil belongs in terms of performance.

Lubricants produced in the CIS countries are divided into five groups. The highest, 5th number, indicates the highest performance characteristics. The temperature range for use of TAD-17I is high - from minus 25 ºC to 140. Climatic viscosity - 17.5 at 100 ºC. The product is characterized as universal and non-seasonal. The liquid does not contain mechanical impurities. The ash content of TAD-17 is zero point three percent, the concentration of sulfur is 1.9-2.3%, phosphorus is 0.1 percent. The shelf life of the lubricant is higher than that of analogues - from 60 to 80 thousand kilometers. Many drivers advise refilling TAD-17 after 70 thousand km.

Oil seals VAZ 2107 (dimensions)

You can order a crankshaft oil seal and other parts of the VAZ 2107, find out the exact price and other useful information in our office or by phone.

When is replacement needed?

The rubber reinforced cuff cannot be restored or repaired. Therefore, it is necessary to replace the crankshaft oil seal or other part on a VAZ 2107 as soon as the seal begins to leak or “take” working fluid.

Most often, replacing the axle shaft seal, gearbox, and gearbox on a VAZ 2107 is necessary under the following circumstances:

• wear due to long use;
• various damages;
• deformation;
• purchasing and installing an oil seal of the wrong size;
• low quality of the product;
• non-compliance of the product with AvtoVAZ requirements.

The oil seal of a VAZ 2107 gearbox or other car mechanism has a certain service life. But a rubber product may become unusable before the warranty period.

For example, the crankshaft oil seal on a VAZ 2107 may suffer after:

• untimely replacement of oil and filter;
• engine overheating;
• poor quality repairs.

And here it is important to remove the old cuff in time and replace it with a new one. Otherwise, oil leakage cannot be avoided.

The importance of choosing a reliable manufacturer

It’s very easy to find a VAZ 2107 crankshaft oil seal on the Internet at a low price. But most of the offers are seals from China, which are well disguised as well-known brands. As a result, the car owner soon notices puddles of oil again and is forced to spend money on a new oil seal again.

How to change the oil in the rear axle gearbox on a VAZ 2101-VAZ 2107?

Draining: 1) Firstly, the oil needs to be warmed up, the heated oil flows out faster, and also all the dirty particles from the inside of the gearbox housing peel off and mix with the oil, thereby you will pour out all the oil and all the dirt that is on the walls of the gearbox housing (Crankcase the gearbox is the place where the oil is located), in order to warm up the oil, start the engine of the car and let it run for a while, as soon as the engine temperature arrow shows the operating temperature, stop warming up and turn off the engine of the car, at this moment the oil in the gearbox will heat up to quite high temperature (About 75-90 degrees), so be careful when you drain it so you don’t get burned.

2) Now stock up on some kind of metal brush and use it to wipe the filler plug and drain from dirt, you don’t have to do this, but if you have a brush at hand, then follow the advice, after this operation, unscrew the drain plug and when you feel that the plug is already there When it comes out, put the hex key aside and unscrew this same plug by hand as shown in the photo below, keep in mind that after you unscrew the plug, oil will flow out of the hole it covers, so immediately prepare an empty container for draining.

Note! If you want to more thoroughly pour out all the oil and all the dirt from the gearbox, then slightly lift the right rear part of the car with a jack, thereby the car will fall onto the left side (In the direction of travel of the car) and all the oil will drain out of the gearbox better, since there are drainage holes not located directly below, but slightly to the side (you can see this in the small photo below)!

3) Next, wait until the oil has all drained and, having wiped the drain plug dry from all dirt (the most important thing is to wipe it inside, you don’t have to really wipe it outside), screw it back into place, then pay attention to the drained oil from the gearbox, it shouldn’t be there may be obvious metal shavings (If there are, this is very bad, in this case, change your driving style since the gears in the gearbox cannot withstand such loads and crumble a little, or just change the oil in a timely manner) silvery dust may be visible, but this is also not very good but it’s better than clearly visible metal shavings, and if you have coffee-colored oil leaking out, this may indicate that the gearbox on your car is not sealed and water gets into it, mixing with oil, and it gives the color of coffee (Cars that are all winter or just stood in an unheated garage for a long time, in this case condensation forms inside the gearbox housing which turns into water mixing with oil), and the most common color is simply black, the oil can change to this color if you poured it into a dirty gearbox (It’s just that the gearbox sometimes still needs to be washed to remove all the dirt, read about how to do this in the article: “Washing the rear axle gearbox on VAZ cars”), also over time the oil can change color to black when it is all additives will disappear and it will no longer be able to protect and lubricate the gearbox.

Oil change instructions

You can replace the gearbox lubricant in an inspection pit, overpass or lift. Before driving the car into the pit, you should drive a little and warm up the axle fluid. You should also prepare in advance a tool (a set of keys and screwdrivers), containers for working, protective gloves, rags, a special syringe or a device with a hose for pouring.

The old oil is poured into a pre-prepared container

Changing the oil in the rear axle gearbox of the VAZ-2107 is performed in the following order:

1. Clean the drain and filler plugs from any dirt.
2. Using a 12mm wrench, unscrew the drain plug.
3. Drain the old gear oil into the prepared container. Remember that the liquid will be hot after warming up.
4. Tighten the drain plug.
5. Unscrew the filler plug.
6. Pour in enough oil to reach the bottom edge of the hole.
7. Tighten the filler plug. Make sure there are no leaks.

If inspection of the used fluid shows severe contamination, then you need to rinse the gearbox before filling in a new one. To do this, mix transmission or motor oil with diesel fuel in a ratio of three to one. The resulting mixture is poured into the reducer. One wheel is lifted with a jack. The engine starts and first gear is engaged. This process takes several minutes. After this, the cleaning fluid can be drained and new drive axle grease can be added.

What is the difference between TAD 17 and TAP 15 and TEP 15

The three types of transmission fluids have different characteristics, so their scope of application is different.

TAD 17 and TEP 15

According to international classifiers, TEP 15 (TM-2-18) belongs to the API GL-2 , and according to SAE its viscosity is 90W . Its main purpose is to use it for agricultural machinery. Its abbreviation reads:

• T - transmission;
• E - economical;
• P - with additives;
• 15 - viscosity at a temperature of +100.

If we take the main characteristics, they are:

• Viscosity at 100°C - 8;
• Density at +15 °C - 0.919;
• Hardens at -20 °C;
• Phosphorus - 0.06%
• Sulfur no more than 3%;
• Sulfated ash content - 0.

Comparing them, we can conclude:

TAD 17:

1. More frost-resistant.
2. Better adapted to high speeds and loads.
3. More effective for protecting friction unit parts.
4. Does not damage rubber products.
5. Used in Russian-made cars.

TEP 15:

1. Used for agricultural machinery and in mechanisms where there are no high rotation speeds.
2. Saves fuel.
3. Reduces the effort in the gearbox when shifting.
4. Poorly protects transmission parts from damage.
5. Various filters and rubber products fail faster when using it.

Drawing a conclusion, we can say that TEP 15 is more effective when used in mechanisms operating at low speeds. These are mainly agricultural . TAD 17 is more suitable for cars .

When to change the oil

The oil change schedule for the rear axle of the VAZ-2107 is 30 thousand km. It is recommended to regularly monitor the condition and level of the oil to avoid excessive wear of transmission components. Typically, oil deteriorates faster under the influence of negative external factors. We are talking about difficult operating conditions - these include frequent off-road trips, towing trailers, driving at high speeds over 130 km/h, frequent starts and sudden throttle changes. In such conditions, it is important to follow the minimum oil change schedule to ensure the integrity of the transmission and prevent unscheduled repairs.

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Reviews about TAD-17 oil

Opinions about the TAD-17 from real car owners, published on specialized forums, are not unanimous. Some users are absolutely satisfied with the products of this brand, while others have serious complaints about them. The authors of positive reviews highly appreciate the quality of TAD-17, noting the good functioning of the manual transmission when driving and believing that it is unfair to blame this fluid for transmission breakdowns. Contents of negative reviews:

• It is not advisable to use the liquid in severe frosts; it is difficult to start a car even at minus 15 ºC;
• the current product is much worse than the TAD-17, which they stopped producing in the 90s;
• the lubricant is allegedly produced from waste materials, which, according to forum members, is evidenced by its suspiciously black color after only 15 thousand kilometers.

There is a widespread opinion that TAD-17 is not the best choice for owners of foreign cars, for whom the mentioned analogue oils are better suited. One way or another, the fluid performs its main function - it extends the life of the manual transmission and other transmission elements.