VAZ-2112 is a fairly popular car on domestic roads. This machine is an excellent workhorse. Those who purchase it most often take the car not for occasional trips, but for active travel on work matters, be it official work or household chores.
How to change the oil in a VAZ 2112
Such active use of the car leads to the fact that the need to change the oil (and this procedure must be carried out every 60 - 70 thousand kilometers) under service conditions takes a significant toll on your pocket. Many car owners want to carry out this procedure on their own, rightly believing that nothing too complicated awaits them.
This is true. Any car owner who wants to learn how to change the oil in a car’s transmission can do it themselves.
When do you need to change the oil in a VAZ 2112 gearbox?
The VAZ 2112 model was at one time considered the leader in sales among domestic cars. Due to the simplicity of the design, the relative reliability of the main units and components, as well as the low cost, the model was sold in tens of thousands of copies per year. During the entire production period, about 500 thousand units were sold.
At the same time, production ceased in 2008, but a huge number of representatives of this model are still found on the roads. Considering the long mileage of most of these cars, the issue of changing the oil in the VAZ 2112 gearbox is especially acute.
During the entire production period, this car was equipped with a single manual 5-speed gearbox, which is also used on all front-wheel drive AvtoVAZ models. In terms of its design and operating principle, this unit dates back to its creation in the 80s.
During its production and installation on this car, it did not undergo any major changes. Having a lot of shortcomings in terms of comfort, in terms of reliability, this unit is always considered one of the leaders in its budget segment. The manufacturer claims a service life of this box of 200 thousand kilometers, but with proper care and prevention, as well as with timely change of transmission fluid, this resource can reach 300 thousand kilometers. At the same time, the manufacturing plant does not at all establish terms and intervals for changing transmission oil for the VAZ 2112.
Over time, any substance, even the highest quality, loses its performance characteristics and ceases to perform protective and cooling functions. If there is no change during long runs, the oil stops washing the box and protecting mechanical parts from destruction by friction, which, accordingly, leads to breakdowns and expensive repairs.
That is why responsible owners must carry out the procedure for changing the oil in the VAZ 2112 gearbox, taking into account the operating conditions of the vehicle. Under normal conditions of vehicle use, in the absence of sudden changes in temperature or increased loads associated with towing heavy loads, the optimal interval for this operation is considered to be a one-time change every 100 thousand kilometers. In the presence of negative operating factors, this figure is reduced to 60-70 thousand kilometers.
Important! When assembling the car, low-quality mineral oil with minimal tolerances to meet modern requirements was poured into the gearbox at the factory.
Considering the archaic and simple design of this transmission, pouring such a substance was quite acceptable in accordance with the old plant regulations. However, its properties have long failed to meet modern requirements and will not be able to perform its functions for a long time. Therefore, when purchasing a car, it is necessary as a priority to change the fluid to a modern analogue.
Transmission fluid selection
Practice shows that factory transmission oil is of low quality, so immediately after purchasing a car, a whine is noticed in the operation of the gearbox. To extend the service life of the gearbox and also reduce its noise, it is recommended to replace the gear oil with a higher quality one.
Which manufacturer is better to choose?
Advice: You should not fill your VAZ 2112 with expensive oil, which is synthetic. This is a new oil that is used in modern foreign cars with complex mechanisms. The best option would be semi-synthetic
Opinions about transmission manufacturers differ greatly; some support domestic manufacturers, while others, on the contrary, rely on the recommendations of well-known car factories. Which gear oil is better, and which one you choose, depends only on your personal point of view and the ability to evaluate and listen to the advice of experts.
- Liqui Moly;
- Castrol;
- Mobil.
The AvtoVAZ fan club supports both a selection of reputable brands and Russian manufacturers, for example, Rosneftekhim, Lukoil, Rosneft. In any case, the choice of high-quality gear oil for the VAZ-2112 gearbox occurs through a long selection process, where each car owner goes through a long journey of testing and experimentation.
What kind of oil to pour into the box of a VAZ 2112
Considering the lack of regulation on how to change the oil in a VAZ 2112 manual transmission on the part of the manufacturer, the operating manual actually does not contain brands of transmission substances recommended for use. However, the owner can independently choose a suitable substance from those recommended on the market.
The main condition for selection, in addition to the operating conditions of the car, is compliance with modern quality standards, as well as the originality of the substance. There are 3 main types of material on the market:
- Synthetic oils are the most popular due to the modern manufacturing method, better characteristics compared to competitors and the longest service life. Such substances are made from modern additives and can effectively maintain the temperature inside the box for a long time, and also effectively wash mechanical parts, reducing the coefficient of friction loss. However, such materials are considered the most expensive on the market. They are also popular with unscrupulous manufacturers of counterfeit products. When purchasing, you must carefully check the originality of the material. A real manufacturer installs protective equipment on their product.
- Semi-synthetics are also quite popular, mainly among owners of units with mileages exceeding 150 thousand kilometers. In terms of its characteristics, this substance is inferior to pure synthetics, but has less fluidity, which has a positive effect on the operation of the unit with high mileage, since the likelihood of the substance leaking through worn oil seals and fogging of the crankcase cover is reduced. Also, this composition is inferior in cost to synthetics and is rarely found as a fake on the market.
- The mineral substance has the most archaic composition without the use of modern materials. Accordingly, its characteristics are significantly inferior to modern materials. In addition, it is least popular on the market, since when used, the replacement interval should be reduced to 40-50 thousand kilometers, regardless of the operating conditions of the vehicle.
Important! In addition to choosing the right substance, you must carefully select an oil filter. There are also a lot of low-quality parts on the market that can eventually lead to breakdown of the unit.
When purchasing a filter, you must carefully check its authenticity, checking the series and batch numbers with the official data of the manufacturer.
About the gearbox
The gearbox on the VAZ-2112 is of a mechanical type and is designed to transmit torque directly from the engine to the chassis, set speed and direction of movement. In other words, this is a special multi-stage gearbox that changes gears manually. Of course, the main and main advantage of this box is the reliability and simplicity of the design, the absence of restrictions (in comparison with an automatic gearbox - approx.), simplicity and cost-effectiveness of repairs.
Despite the fact that AvtoVAZ began producing modern cars with automatic transmission, many car enthusiasts still prefer manual transmission.
How to fill oil into a VAZ 2112 box
The procedure for completely changing the substance into the unit on this model occurs in several stages:
- Lifting the car and conducting a routine inspection of the crankcase for fogging or mechanical damage.
- Then you need to remove the metal crankcase protection and unscrew the special drain bolt, which is located at the bottom of the crankcase. Draining is carried out into a special container for 40-50 minutes.
- After this, it is necessary to replace the oil filter, which is also located at the bottom of the system.
- Pour new material through the drain hole at the top of the box using a simple funnel. Check the operation of the unit by alternately switching all modes of the gear selector while standing still.
How much to fill
The VAZ-2112 gearbox, like the transmission of any other car, requires a certain amount of oil. So, for our car we should fill in 3.3-3.5 liters of lubricant. It is important to keep in mind that such a volume can be poured after the procedure for cleaning the gearbox from residual old oil and other deposits has been carried out. Flushing can be done as follows:
- You need to drain as much old oil as possible
- Pour in a special flushing agent
- Turn on the engine and flush the entire transmission system
- Turn off the engine, drain the flush
- Now you can introduce the oil in full.
- The final stage is checking the oil level using a dipstick.
View oil prices
How to check the oil in a VAZ 2112 box
Checking the level of the substance in the crankcase is carried out using a simple plastic dipstick, on which special marks are applied indicating the optimal level of the substance in the system. This part is located in the upper part of the box body in the engine compartment. To check the current level, you need to remove the dipstick, wipe it with a dry cloth, put it in again and take it out again - the drops of oil on the dipstick will correspond to the current level. This procedure must be carried out on a heated box.
The best motor oil. does it exist?
- Frequent driving at high speeds
- The car experiences constant overloads due to exceeded load capacity
- The driver makes mistakes when shifting gears, as a result the gearbox overheats
- Frequent temperature changes, the weather quickly changes to cold and warm, high humidity, precipitation
- The engine often runs at high speeds, and because of this it overheats
Any of the above factors has an adverse effect on the oil. As a result, its composition deteriorates, and the fluid is no longer able to effectively cool gearbox parts and prevent them from overheating. As a result, breakdowns occur that can only be avoided by more frequent oil changes. Russian motorists usually do this every 30 thousand kilometers, or even earlier. In addition, under conditions of increased load on the car, it is recommended to check the oil level in advance and monitor its condition.
What is popular with owners?
Among VAZ-2112 owners, the following types of GL-4 type gear oils are popular:
Gearbox oil
As it is written in the smart book, the oil in the gearbox is changed once every five years or at a mileage of 75 thousand km, depending on which comes sooner, the mileage is still in reserve, but in terms of time it was necessary to change the oil a long time ago. For a long time I thought about what to put in there since it came from the factory Most likely mineral oil was poured in. I thought and thought that semi-synthetics would be just right and settled on the Lukoil 75w-90 semi-blue brand.
Having gone shopping, I was a little puzzled because everywhere Lukoil sold 80w-90 and it looks like it’s a mineral water, but that didn’t suit me at all because I didn’t want to fill in something like a factory-made liquid! But nevertheless, I found what I was looking for and started replacing it. First of all, I drove the front wheels onto my mini overpass for ease of draining, but at the beginning I decided to measure the oil level in the gearbox and it turned out not in vain, since my level from the factory was a little above the MAX mark. But I couldn’t measure it exactly because the oil is very transparent and is practically invisible on the dipstick.
.To do this, I cut out a figure in the form of the letter T from a notebook sheet.
and lowered it into the hole for the dipstick, then took it out and a clear line of the level mark was already visible. I applied it to the dipstick and that’s where the oil level was filled from the factory.
Next, I proceeded to drain, unscrewed the bolt and such a clean, clean stream of oil poured out, no shavings or other impurities were found that sometimes happens in gearboxes. Unfortunately, I didn’t take a photo. My hands were covered in oil, but believe me, the oil was like new! For the convenience of silting, I built this device from an ordinary one and a half liter bottle and a threaded tube
Then I filled it in three steps and it came in at about 3500-3530, I checked the level again to calm my soul, everything turned out to be exactly as it was before the change, although the factory says 3300. First impressions after I turned on the reverse and first gears were that there were no changes, but already on the move when moving from 1st to 2nd and further up to 5th gear, I noticed a difference. And the difference is that the gears changed much easier and more clearly, I even honestly did not expect such an effect! I can’t say for sure that it’s because of the semi-synthetics, maybe it’s just that the new oil had that effect. Well, how much it will freeze in the cold will be shown by the next winter.
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Stories from our readers
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The main factor in changing oil is the deterioration of its performance properties, i.e. so-called aging during use. According to the regulations, the oil change in the tens gearbox should be every 75 thousand km. If low-quality or unsuitable oil is used, then gearbox noise may occur or a crunching noise may occur when shifting gears.
What kind of oil should I put in the gearbox on a VAZ 2110? GL-4, according to the API classification, is suitable for front-wheel drive VAZ models, GL-5 - for all other domestic cars. There is also a universal oil - GL-4/5. The recommended oil according to API for the VAZ 2110 is GL-4, or API GL-4/5. Before purchasing, you can read reviews of gearbox oils (one or two), or make a choice based on a survey or comments.
