Most owners of the "Seven" fill the gearbox with transmission oil recommended by the manufacturer. In 2107, several types of gearboxes are installed at the plant. They all require high quality lubrication. Only in this case will the box work reliably and for a long time.
In the service book, the manufacturer indicates several viscosity levels:
- SAE80W85,
- SAE75W90,
- SAE75W85.
Similar to motor oils, transmission oils, in addition to the viscosity coefficient, are divided into groups. In the VAZ 2107, professionals advise filling in:
- GL-4,
- GL-5.
The first group includes motor oils that contain a large number of special additives. This type is optimal for gearboxes with a large number of gears.
GL-5 brand oil is designed to lubricate rotating gears operating at a certain angle, that is, hypoid gears.
In the VAZ 2107, the rear axle gearbox has such a transmission. GL-5 is ideal for gearbox lubrication. The car manufacturer recommends replacing the lubricant in the gearbox together with changing the fluid in the manual transmission. Therefore, car owners use only one type of oil, pouring it into the box and gearbox.
In principle, no negative effect will occur. The properties of GL-5 allow it to be used in gearboxes. In addition, the compositions of this group were specially designed for use in extreme conditions.
Transmission oil for VAZ 2107
Most owners of the "Seven" fill the gearbox with transmission oil recommended by the manufacturer. In 2107, several types of gearboxes are installed at the plant. They all require high quality lubrication. Only in this case will the box work reliably and for a long time.
In the service book, the manufacturer indicates several viscosity levels:
Similar to motor oils, transmission oils, in addition to the viscosity coefficient, are divided into groups. In the VAZ 2107, professionals advise filling in:
The first group includes motor oils that contain a large number of special additives. This type is optimal for gearboxes with a large number of gears.
GL-5 brand oil is designed to lubricate rotating gears operating at a certain angle, that is, hypoid gears.
In the VAZ 2107, the rear axle gearbox has such a transmission. GL-5 is ideal for gearbox lubrication. The car manufacturer recommends replacing the lubricant in the gearbox together with changing the fluid in the manual transmission. Therefore, car owners use only one type of oil, pouring it into the box and gearbox.
In principle, no negative effect will occur. The properties of GL-5 allow it to be used in gearboxes. In addition, the compositions of this group were specially designed for use in extreme conditions.
The process of changing the oil in a VAZ 2107 gearbox
Before you start changing the oil in the VAZ 2107 gearbox, prepare:
- 12mm hex and 17mm wrench
- Rags
- Wire brush
- Processing container
- Special syringe
- Fresh oil
Place the car on a viewing hole or overpass. Apply the parking brake. Support the wheels with wheel chocks. Clean the gearbox housing near the drain and filler holes with a wire brush and then with a rag. Place a container under the drain hole using a hexagon and unscrew the plug.
When the oil is completely drained, wipe the drain plug and replace it.
Use a wrench to remove the filler plug and inject the required amount of oil using a syringe. The liquid should reach the bottom edge of the filler hole.
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.
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.
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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 5W-40.
Related link:
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Choosing the right brand
Both beginners and experienced motorists are recommended to use oil approved by the manufacturer. This will allow you to avoid various problems associated with counterfeit products and defective problems in the operation of the gearbox. In this case, you should pay attention not only to the brand, but also to the parameters of the oil. In this regard, we will immediately name the recommended companies and product characteristics:
- Ufalub Unitrans 85W-90
- Lukoil TM-5 85W-90
- Samoil 4404 80W-90, 85W-90
- Fair Super E-80W-90, T-85W-90
- TNK Trans Hypoid 85W-90, 80W-90
- Agip Rotra MP 80W-90, 80W-95
- NORSI (Norsi) Trans 80W-90, 85W-90
- Novoil Super T 80W-90
- Spectrol Forward 80W-90
- MP Gear Lube-LS 80W-90, 85W-140 GL-5
Oil classes
Let's pay attention to the most popular classes of lubricants suitable for the VAZ-2107:
- GL-4 - this type of lubricant contains a large number of additives that ensure efficient and reliable operation of the gearbox when driving at high speeds, but low torque, or when driving with high torque, but at low speeds
- GL-5 - oil with this standard should be poured into the gearbox. It can also be poured into the gearbox, but only in harsh climatic conditions.
Classification of oils
On each canister of transmission oil for the VAZ 2107, certain characteristics are indicated, indicating the viscosity class and group.
Oil groups
To choose which oil to fill in the VAZ 2107 gearbox, you need to know the groups of these lubricant compounds:
- GL-4. VAZ 2107 gearbox oil of this group contains many additives. Basically, such lubricants are used for cars with stepped gearboxes operating at high speeds with low torques, as well as those operating at low speeds with high torque.
- GL-5. This oil for the VAZ 2107 gearbox is intended for so-called hypoid gears (gears rotate at an angle). In these models of domestic cars, the hypoid gear is located inside the gearbox, so only GL-5 grease can be poured into the gearbox. Such oil is also sometimes poured into the transmission, but only under severe operating conditions.
Viscosity grades
SPECTROL FORWARD
To choose which gear oil is best for the VAZ 2107, you need to decide on the viscosity class:
- SAE75W90. This class includes semi-synthetic or synthetic oils that are suitable for all-season use. The lubricant can be used within the range from -40 to +35 degrees Celsius. Such oils can be used in cars that are operated in the harsh conditions of our country.
- SAE75W85. This viscosity class is also suitable for all-season use in a box, and the temperature for maintaining performance characteristics varies from -40 to +45 degrees.
- SAE80W85. Oils of this viscosity boil at +35 degrees and freeze at -30 or more.
You can read a separate article with detailed video instructions about changing the oil.
Mineral lubricants
The most important and perhaps the only advantage of mineral oils is their low price compared to synthetics and semi-synthetics. For example, a four-liter canister of mineral oil in a VAZ 2107 box costs about 400 rubles, and a similar canister of semi-synthetic oil costs more than 1000.
The lubricant composition has good lubricating properties, so you can drive it without replacement for up to 60-70 thousand kilometers. Moreover, in winter, such a lubricant hardens faster in the cold and makes it difficult to start a cold engine.
Semi-synthetics and synthetics
AGIP ROTRA MP
The only drawback of such transmission oil for the VAZ 2107 is the relatively high price compared to ordinary mineral water. On average, a canister costs from 1000 to 1500 rubles. The disadvantages are limited to this, but as for the advantages, these include the high-tech lubricant and the content of additives that reduce wear on transmission elements, extending the service life of the gearbox.
The freezing point of these oils is much lower, so they are suitable for use in severe frosts. You can release the clutch pedal a few seconds after starting the power unit and the gearbox will work normally. The lubricant warms up faster and returns normal fluidity compared to mineral lubricant.
Some say that synthetic transmission oil for the VAZ 2107 can squeeze out oil seals and leak from cracks. This is not true and if this really happens, it is a coincidence, and the real reason is hidden in the obviously worn-out gearbox.
Viscosity type
This parameter determines the operating temperature range supported by the oil. This parameter determines the temperature conditions under which the VAZ-2107 can be operated. So, let's consider suitable viscosity parameters for the VAZ-2107:
- SAE75W90. This parameter marks synthetic and semi-synthetic oils intended for operation of the VAZ-2107 in any weather. This lubricant is suitable for regions with constantly changing climates. Temperature range – from -(minus) 40 to +35 degrees.
- .SAE75W85 - this lubricant is also suitable for all-season use, but it also has a much larger range of supported temperatures - from - (minus) 40 to +45 degrees.
- SAE80W85 is also a good option, but with a more limited temperature range - from - (minus) 30 to +35 degrees.
Oil type
Mineral oil is the cheapest and mediocre oil. It has good lubricating properties, but only in warm weather, since in the winter season mineral water quickly hardens, which can cause problems with starting the engine. This lubricant is used mainly in trucks and old cars with high mileage. Mineral oil is replaced every 70 thousand km. Semi-synthetic - this oil can be considered the optimal choice for the VAZ-2107, taking into account modern trends. This is a relatively inexpensive lubricant with good lubricating properties. It can be recommended for the VAZ-2107 without any reservations.
Synthetic is the rarest and most fluid oil of all presented. It quickly penetrates the parts, provides them with effective lubrication and adequate cooling, and thereby protects the gearbox from overheating. This oil is best used for foreign cars, and will be a waste of money for the VAZ-2107.
Reviews
Victor, Irkutsk region. I have a 2010 7, the basic version with a 1.5 liter engine. In terms of reliability, I was very pleased with the car, but only from the point of view of maintainability. Per 1 km the car costs 3 rubles! A very economical car, as simple as a donut. True, the same can be said about security. I use it purely for work needs, and I will never put my wife and children in this bucket.
Nikolay, Ryazan. VAZ-2107 was purchased in 2022, the total mileage is currently 133 thousand km. A car with a rusty body and a 1.5 engine is quite suitable for working as a taxi in poor road conditions. It’s also rear-wheel drive – you can play around in drifts on ice, fortunately there’s enough traction, because the car is very light and 75 horsepower is enough to spare.
