Changing the oil in the rear axle (for use on VAZ-2106 / VAZ-2103 models)

Any vehicle needs high-quality and fresh oil, regardless of what model of car is parked in your garage. It is the oil fluid that ensures the normal functioning of many units, reduces friction, and prevents wear of important components. Today we will talk about the domestic “six”. VAZ-2106 owners should know that the oil needs to be changed in the engine, in the gearbox, and also in the rear axle. By the way, some car owners neglect this recommendation, confidently believing that this procedure is absolutely useless. This is a dangerous misconception. In order for the car to drive successfully for as long as possible, you need to change the oil in the rear axle twice a year. We'll talk further about what causes this.

Instructions for changing the oil in the rear axle gearbox of the VAZ-2106.

Where is the oil? What kind of oil is in the car components?

In a VAZ 2106 car, oil is located in three places, namely in the engine, variable gearbox and rear axle gearbox. What kind of oil should it be? Experienced drivers know that in winter, oil has the excellent property of solidifying. Mineral oil hardens “best”; it becomes the consistency of solid oil and, accordingly, starting the engine in cold weather becomes simply impossible without additional heating of the engine. Thus, it is better to pour semi-synthetic or synthetic oil into the engine, but for a VAZ 2106, Perhaps the best option would be the first option – semi-synthetics. This oil is labeled 10W-40 (the most common and optimal for filling) . ZIC oil is often recommended.

Oil 10w-40 ZIC

Transmission oil is pouring into the gearbox and rear axle. Usually it is 75W-90.

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↑ Changing the oil in the rear axle gearbox of a VAZ 2106 (classic), video

Oil change VAZ 2106

“You can’t spoil porridge with butter,” says a popular saying. Interestingly, it is also effective in relation to cars, because oil or lubricant is an integral part of the car. Without it, the machine will not only not work, although not even that way - it will work, but not for as long as we would like. This article provides detailed instructions for changing the oil in all components of a VAZ 2106 car with your own hands.

Here you can also find effective tips for car repairs, photos and many other interesting things:

• Where is the oil? What kind of oil is in the car components?
• Tools and accessories.
• Change of oil.
• Changing the oil in the VAZ 2106 engine.
• Changing the oil in the VAZ 2106 gearbox.
• Changing the oil in the rear axle gearbox on a VAZ 2106.
• Replacing the oil pump drive gear on a VAZ 2106.

Replacement frequency, what oil to fill

According to the manufacturer's regulations, service changes of engine oil on the VAZ 2106 are carried out after 8,000-10,000 kilometers or at intervals of 1 year. But some car owners consider this interval to be a little too high, recommending that it be shortened taking into account operating conditions.

It is recommended to use semi-synthetic with a viscosity of 10W-40 as a lubricant. The following motor oils are most popular among model owners:

• Lada Professional 10W-40
• Lukoil Genesis Advanced 10W-40
• Shell Helix HX7 10W-40
• Total Quartz 7000 10W-40

When using this car in winter, you should select oil taking into account the climate zone, as well as the recommendations of AvtoVAZ. Viscosity 5W-40 will allow you to operate the car down to -30°C, and 0W-40 up to -35°C.

How much oil is in the engine lubrication system, volume table

Which gear oil is best for Kalina?

Very often there are opinions from motorists that the oil in the gearbox does not need to be changed throughout the entire life of the car. But in reality this is somewhat different. After all, such a composition loses its performance characteristics over time, so it needs to be changed periodically. As for the Lada Kalina car, most owners of this car recommend using TNK TRANS KP Super. Transmission oil from this manufacturer makes the gearbox quieter and gear shifting smoother.

But there are some nuances here too. Firstly, it is advisable to give preference only to original lubricants. Secondly, after a major overhaul or during break-in, you can pour the simplest TAD-17 oil. As for the replacement interval, you should not wait longer than 150 thousand kilometers. If the replacement is made untimely, the service life of the box will decrease. Therefore, it is not recommended to delay this issue.

Tools and accessories

What is required to change the oil in the units of a VAZ 2106 car? The list is small:

• Hexagon 12. Useful for unscrewing drain plugs from units.
• The key is 17. We will use it to unscrew the filler plugs on the box and rear axle.
• Watering can for pouring oil into the engine.
• Syringe for filling oil. If you don’t have a special syringe, you can use a regular one with a hose of the required diameter attached to it.
• Oil container. The container should be of medium size. There is not much oil in the gearbox and gearbox, but in the engine there is almost 4 liters. A bucket and an old basin are best.
• The oil itself that we will fill. You need to buy a 5 liter canister of engine oil (there will be some left for topping up), and 4 liters of transmission oil (there will also be some left).

That's all the tools that require changing the oil in a VAZ 2106.

Change of oil

Having previously prepared all the necessary tools, you can start changing the oil. First, let's look at the engine.

Note! It is best and most convenient to change oils in an inspection pit or on an overpass. This will ensure the best access to all necessary units.

Changing the oil in the VAZ 2106 engine

As you know, oil needs to be changed at certain intervals. For the engine it is as follows: after a major overhaul - after 1000 km, it is necessary to change the oil and then every 10,000 kilometers of the vehicle. How to change the engine oil (see VAZ 2106: changing the engine oil and oil filter)? It’s very simple – drain and refill. This is short.

Detailed instructions below:

• To drain the oil, you need to unscrew the drain plug in the engine sump. It is unscrewed using a 12mm hex and a wrench (for convenience).

Note. The oil must be changed when the car is warm. To avoid scalding your hands, you can use special rubber gloves.

Unscrew the plug and at the same time place a container under the drain hole. After the oil has drained, you can tighten the plug back.

• Next, you should replace the oil filter. The old one can be twisted by hand if possible. If they are tightened well, then you should use a special puller. After removing the old filter, the new one is simply screwed into the hole.

Removing the oil filter using a puller

• After this, unscrew the filler cap, which is located on the engine valve cover, by hand. Then insert a watering can of suitable diameter into the neck.
• Gradually add oil. Periodically you should look at the level of oil remaining in the canister. Approximately 3.7 liters of oil must be filled into the engine.

Stages of replacing lubricant VAZ 2106

On classic Lada cars or the more familiar Zhiguli, a convenient drainage of used oil from the engine is provided. The oil filter is also easily accessible and can be reached from the engine compartment.

During the production of the VAZ 2106, a large number of modifications were produced, which were equipped with various engines. Experienced drivers note good maintainability, unpretentiousness in maintenance, as well as consumables.

Before starting to replace the lubricant, precautions should be taken. It should be noted that the drained waste will be at a high temperature. Since the replacement is carried out on a warm engine.

Draining waste fluid

Before starting the draining procedure, you should prepare tools, empty containers, as well as new liquids for subsequent filling. If additional protection is installed under the engine, it can also be removed for convenience.

Next, we perform the procedure for draining the liquid from the VAZ 2106:

We lift the hood, under it we find the filler neck on the engine and unscrew the plug (Fig. 1).

To unscrew the filter element, it is advisable to have a special puller. If it is not available, you can try to unscrew the filter using improvised means. In this case, you can use, for example, an old alternator belt, a regular belt, a bicycle chain or a simple screwdriver.

Using this method, you can drain the maximum amount of used oil, after which you can proceed to further actions. The main thing is not to forget, everything that we unscrewed must be put back in place.

Flushing the lubrication system

Flushing the engine on a VAZ 2106 should be carried out only in exceptional cases, which include:

• Purchasing a used car when you cannot know about the quality, as well as the regularity of lubricant replacements.
• During operation, the service replacement interval was repeatedly exceeded.
• Engine operation with constant frequent overheating, which contributes to coking and other deposits.
• In cases of switching to another type, for example from synthetics to semi-synthetics.

There are several types of flushes for the VAZ 2106 engine:

• Five- or seven-minute, capable of cleaning even the most difficult deposits. They must be used very carefully and strictly follow the instructions printed on the packaging. It is recommended to use them only when absolutely necessary. Since there is a high probability of causing premature wear of the sealing seals. And also clog the oil channels with particles of washed away carbon deposits.
• Special compounds that are added to the oil several hundred kilometers before the expected change. They are more gentle, but there is also a possibility of clogging of the oil channels.
• Flushing oil is the most gentle method of cleaning the engine from the inside. This composition is poured after draining the waste, the engine runs for 15-20 minutes, after which the liquid with deposits is drained. The absence of aggressive additives in the wash composition gently cleans the engine, but is not able to remove heavy contaminants.
• Regular oil that you are going to use when changing. This method is not so popular due to its high price.

Installing a filter, filling in new engine fluid

If the VAZ 2106 lubrication system is sealed and does not require repair work to eliminate leaks, you can proceed to filling in fresh engine oil. In addition to the oil itself, we may need a new drain plug, its part number 14325301. As well as the original oil filter 2101-1012005.

When everything is ready, let's move on to the bay:

• Replace the drain plug and replace it with a new one if necessary.
• We tighten and put the oil filter in place. Pre-lubricate the rubber sealing ring with fresh oil.
• Pour new oil into the filler neck.
• We check the level on the dipstick; it should be between the MIN and MAX marks.
• We start the engine, let it run for 10-15 seconds, then turn it off.
• After 5 minutes, check the level with a dipstick and top up if necessary.

The best choice for domestic classics

Mechanical gearboxes, which are installed on domestic cars, have several irrefutable advantages. Firstly, this is an extremely reliable unit that does not require expensive maintenance. Even if there is a need for major repairs, it will be relatively inexpensive.

However, regular maintenance should not be neglected. It is advisable to purchase lubricant from trusted places and not skimp. The replacement interval is 3-4 years or 150 thousand kilometers, whichever comes first. This is not motor oil that needs to be changed every 8-10 thousand miles. An excellent choice would be Castrol or Motul. From budget and high-quality, I can recommend.

Signs of gearbox problems

The rear gearbox is one of the reliable mechanisms of classic Zhiguli cars and breakdowns rarely occur with it. However, like any other unit, it may have its own malfunctions, which are determined by characteristic symptoms. They are worth dwelling on in more detail.

Noise when accelerating

If during acceleration there is an extraneous sound from the gearbox installation site, then it can be caused by:

• worn out or incorrectly adjusted differential bearings. It will require dismantling, disassembling and diagnosing parts with subsequent adjustment;
• Incorrect meshing of the teeth of the main pair gears. Eliminated by proper adjustment;
• lack of lubrication in the gearbox. The lack of oil in the crankcase is restored, after which it is checked for leaks at the places where the sealing elements are installed.

If noise occurs both during acceleration and during braking by the power unit, there may not be many reasons:

• deterioration or failure of the bevel gear bearings of the main pair. Eliminated by replacing failed elements;
• Incorrect adjustment of the gap between the tip and the planetary gear. The mechanism needs to be diagnosed and replaced with damaged parts, as well as setting the required gap between the gear teeth.

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What do you need to know?

The purpose of transmission oil is approximately the same as engine oil, with minor differences. Such oil should evenly and effectively lubricate the rubbing components of the gearbox. This is needed for additional cooling and reducing the coefficient of friction. Many motorists never change the oil in the gearbox at all, which subsequently leads to the need to overhaul it.

In this article we will look at the line of domestic cars with a manual transmission. An automatic is a different topic for discussion, since everything is arranged differently there, but the oil also needs to be changed. First of all, let’s figure out whether it’s worth following the manufacturer’s recommendations. In addition, we will consider reviews from motorists regarding this or that brand of gear oil. In general, we will try to cover this issue as best as possible.

↑ How to flush the gearbox?

If the oil drained from the gearbox housing is dark in color or metal particles are visible in it, it is necessary to flush the gearbox.

• To do this, fill it with about 1 liter of a mixture of gear oil with 20–30% kerosene or diesel fuel.
• Then, having hung one of the rear wheels, turn on 1st gear and start the engine.
• After 2–3 minutes, drain the flushing mixture and pour 1.3 liters of transmission oil into the gearbox.

↑ Checking the oil level

The oil level should reach the bottom edge of the filler hole.

Checking the oil level

1. Place the car on an inspection hole or overpass (see “Preparing the car for maintenance and repair”).

2. Using a steel brush or rag, clean the filler and drain plugs from dirt, as well as the surface of the beam near the plugs.

3. 17 mm

(preferably the end one) unscrew the filler plug.

4. Control the oil level with a suitable tool, (for example, a screwdriver) or your finger. The level should reach the bottom edge of the filler hole.

5. If the level is low, add transmission oil (see “Operating fluids”) using a special syringe and tighten the plug.

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Criteria for choosing the right oil

Before choosing the most suitable oil composition, you need to know all the information about the car:

• what year the engine was produced, its modification, as well as the degree of wear;
• how it is operated, what are the weather characteristics of the region;
• Does the engine have hydraulic compensators that regulate valve clearances?

The year of manufacture is important because older engines manufactured back in the 70s and 80s had oil seals, oil seals, and other sealing elements made of nitrile rubber. All parts made from this material do not tolerate oils based on synthetics or semi-synthetics. This disadvantage is eliminated by replacing them with imported ones made from rubber. True, this can also have negative consequences - if the motor power supply system is not entirely working. The fact is that gasoline, being a solvent, destroys rubber. So you need to be careful here. Additionally, if the valves have hydraulic compensators, they will require a lower viscosity lubricant. This applies to relatively new engines.

What engine oil is better to fill in the VAZ 2106 engine? In order to eliminate the error, you should refer to the vehicle’s service documentation. The permissible viscosity (SAE) should be indicated there, as well as the main characteristics (American API classifier, European ACEA or American-Asian ILSAC). If the Soviet GOST 17479.1-85 is indicated, lubricating compounds are divided into 6 categories:

• A – used for engines that do not have afterburner;
• B – refers to motors with a minimum boost level;
• B – average afterburner;
• G – highly accelerated motors are lubricated;
• D – the same as “G”, only for diesel engines;
• E – this category refers to powerful, large diesel engines (river transport, stationary installations).

Indexes have been added to categories B, C, D indicating belonging to carburetor systems (1) or diesel engines (2). If the index is not indicated, it means that the oil fluid is suitable for both types of engines. GOST designations are now rarely used because they are quite difficult to decipher.

( 1 rating, average 5 out of 5 )

Let's sum it up

So we figured out what kind of oil to fill in different car models. Currently, the choice of gear oils is simply huge. Therefore, you can find a suitable option for both the Niva and the VAZ-2114. What gear oil is best to fill? Definitely original. The fact is that today fakes are quite common. Therefore, you should buy only in trusted places, preferably from a dealer. But this applies to foreign oils. Domestic ones are counterfeited very rarely, due to their low cost.

From all this we can draw a simple conclusion that you just need to follow the manufacturer’s recommendations. Especially if you prefer a confident driving style. If the box is regularly subjected to increased loads, then it is advisable to use appropriate oils. In general, the gearbox of domestic cars is very reliable, but do not forget about its maintenance. In this case, you can count on a very long service life of the gearbox. Typically, it lasts about 300,000 kilometers before a major overhaul with moderate driving. If you turn the engine up to 5 thousand revolutions, then you should not expect more than 100 thousand kilometers.

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Replacing the oil pump drive gear on a VAZ 2106

If the “oil pressure” indicator on the instrument panel in your six constantly lights up, there may be several reasons for this. The first reason is lack of oil. If after changing the oil the indicator continues to glow, the fault is most likely in the oil pump, or rather its gears. Replacing the VAZ 2106 oil drive gear:

Replacing the oil drive gear of a VAZ 2106

• To get to this gear you need to remove the ignition distributor breaker.
• Before removing the distributor, it is necessary to set the crankshaft to the desired position.
• We unscrew the spark plug of the first cylinder.
• The hole in the first cylinder must be plugged with a finger.
• We turn the crankshaft until air comes out of the first cylinder - the beginning of the compression stroke.
• We slowly turn the crankshaft until the marks on the engine block and the crankshaft pulley coincide. After this, you can remove the distributor.
• Disconnect the wires from the breaker-distributor.
• Disconnect the vacuum regulator hose.
• Using a 13mm wrench, unscrew the nut securing the distributor.
• We remove the distributor-breaker from the cylinder block.

Removing the ignition distributor

• Next you need to remove the gear. This is done using a wooden or aluminum mandrel. It should fit snugly into the gear.
• By placing the gear on the mandrel, holding it with a screwdriver if necessary, the gear is removed.
• The new gear is inserted in place of the old one.
• Next is the assembly process. We install the distributor in its original position.
• Tighten the fastening nut with a 13mm wrench.
• We connect the wires in the order of cylinder operation 1-3-4-2 counterclockwise.
• We put on the hose of the vacuum ignition regulator.

The gear has been changed!

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Checkpoint "Niva Chevrolet"

The domestic SUV is extremely passable and reliable, but requires careful maintenance. In particular, this applies to a manual transmission. It is allowed to use oil of group GL-4/GL-5 or GL-5. For normal operation of the unit, oils with the following viscosity are best suited: SAE 75W-90, 80W-85 and 80W-90. If you comply with all the above requirements, the box will work much quieter and longer.

Among motorists, a rating of proven transmission oils has long been formed. It is best to pay attention to them. If you are asking the question: “Which gear oil is best for the Chevrolet Niva?”, then you should definitely try Eneos 80W90 Gear GL5. This lubricant showed excellent performance at low temperatures, maintaining acceptable fluidity. True, it is sold only in 4-liter cans, which is not very convenient. Also, many motorists advise trying Castrol Syntrax Universal Plus. This is an expensive transmission that provides impeccable softness of gear shifting with a long replacement interval - 300 thousand kilometers.