Which carburetor is better to install on a VAZ-2106: expert advice

Today on the roads you can often find cars that are 20 or even 30 years old. These are mainly classic VAZ models. The owners of these old cars do their best to keep them alive and strive for optimal performance. The owners of old Zhiguli cars want to improve the dynamics of the car and reduce fuel consumption. This can be done, but it all depends on the carburetor. Let's look at which carburetor is better to install on the VAZ-2106 to get the result. This task is quite feasible, despite the fact that the driver can replace the device and adjust it independently. If you look at the reviews of drivers who replaced the standard carburetor, the effect is quite noticeable.

A brief history of carburetors for VAZ

On the first classic VAZ models, which were an improved Italian Fiat, devices manufactured by the Dmitrov Automotive Aggregate Plant were installed in the power supply system in conjunction with the motors. For the production of these carburetors, a license was purchased from the French. These mechanisms were assigned the index DAAZ-2106 for the VAZ “Six” model.

Until now, such carburetors are popularly called “DAAZ” and “Weber”. Many car owners still actively use them. The use of these mechanisms gives good dynamic characteristics. These carburetors have a simple design without unnecessary design features. But “Webers” have one very significant drawback - they have huge appetites. These models have not been produced for a long time, since along with the VAZ-2105 model, all other Zhigulis were equipped with Ozon products. Below we will talk about it in more detail.

Carburetor adjustment and tuning

You will need to adjust the VAZ 2107 carburetor and configure its systems just when you begin to notice such defects in the operation of the mechanism. What to do if your car can barely start, even when the frost has not yet arrived and the temperature outside does not drop below zero, and the tachometer needle does not float, but jumps? Or when you press the gas, the engine stalls and stalls.

There are problems such as, for example, the problem of the ignition system, where when a spark is formed, the mixture in the cylinders ignites. In older “classic” models, the ignition coil breaker is responsible for this. In more modern cars, a contactless ignition system is installed, where the ignition switch (distributor) is responsible for the appearance of the spark. But even this seemingly complex problem can be resolved manually. Many carburetor problems can also be adjusted manually. Let's try to figure out some of them...

Adjusting the float system

Any carburetor adjustment begins with adjusting the float chamber. Fuel consumption and engine stability will depend on this part of the mechanism. It is important to follow technology! We start the engine for 3-4 minutes. Then turn off the power. We remove the air filter housing, as it interferes with access to the carburetor unit. Remove the supply pipe from the surface of the carburetor. Then remove the lid from it. We measure from the edge of the float chamber to the level of the remaining fuel. The distance between them should not be more than 25.5 mm. If you find that this is not the case, then it will be necessary to adjust the position of the float. Depending on whether you decrease the distance or, on the contrary, increase it, the bracket on which the float is held will need to be bent to one side. The float axis must be positioned so that it moves freely.

Idle speed adjustment

Adjusting the idle speed of the car is carried out without disassembling the carburetor. However, before making adjustments, you will need to warm up the engine to 90 degrees. Remove the air filter housing. Take a screwdriver and tighten the quality screw until it stops. Then unscrew the screw 4 turns. We start the engine and turn on everything at once to increase energy use. We use the quantity screw to set the optimal speed for the VAZ 2107 - this number does not exceed 800 revolutions. Next, use the quality screw to achieve the maximum value - 900 revolutions. Then we unscrew it in the reverse position until the motor jerks. At this moment we stop twisting and make 1 revolution back. At the end of the work done, turn off the engine.

Adjusting the starting system

We carry out the adjustment on a not warmed up engine. The carburetor is not removed from the engine. First we connect the tachometer. Then pull out the carburetor choke control handle all the way. Let's start the engine. Using a screwdriver, open the edge of the air damper by one third. Rotate the throttle position adjusting screw under the choke control lever with an open-end wrench to 7mm and set the crankshaft speed to 3200-3400 rpm. Release the air damper. We rotate the trigger screw with a slotted screwdriver, loosening its lock nut with an 8 mm wrench. Thus, we reduce the rotation speed to 2800-3000 rpm. Finally, tighten the locknut again.

Setting the “choke” (air damper drive)

To begin setting up the air damper drive, remove the air filter from the carburetor. Open the air damper. On the damper control lever, loosen the locking screw of the drive rod end. Loosen the screw with one key, and use another 8 mm key to hold the screw bushing. We also loosen the tension of the rod sheath clamp screw. The choke handle must be recessed all the way. After making sure of this, turn the air damper control lever all the way by hand. The distance we set between the edge of the rod shell and the angle of the lever should be 10 mm. Turn the air damper control lever back clockwise. Finally, tighten the shell locking screw and the rod locking screw. Don't forget to make sure that the damper opens and closes completely.

If you are clearly confident that you will undertake the repair of your carburetor yourself, then additional information about the problems associated with it will definitely be useful to you. Well-known carburetor expert Nail Poroshin can share advice on this topic on the Internet.

Carburetor filter

The carburetor strainer is responsible for the normal flow of gasoline from the fuel line into the float chamber. Therefore, in order to avoid the problems that its contamination can bring (and this means improper operation of the entire fuel system!), it is recommended to carry out periodic cleaning.

Cleaning the strainer

Using a 13 key, unscrew the filter plug and remove it along with the mesh filter. Then we clean the cells of the mesh filter (a toothbrush will do) and blow them with compressed air. In the same way, we clean the removed filter plug and its seat in the carburetor cover. And be sure to blow everything out with compressed air.

"Ozone" and its problems

Sometimes the pneumatic drive of the damper on the secondary chamber refuses to work normally.

Troubles also arise with a worn out diaphragm in the forced idle economizer system. If for some reason dirt gets into the mechanism or the adjustments are broken, then the second chamber may not open at all, or it may open, but with a serious delay. This leads to a significant decrease in dynamics. Power is lost, the maximum speed of the car decreases, the engine is unstable at high and medium speeds. Despite all this, the DAAZ-1107010 “Ozone” carburetor produces good dynamic characteristics with a fuel consumption of about seven liters per 100 kilometers. Naturally, the device must be constantly monitored and maintained. To avoid contaminating the internal chambers, it is recommended to periodically clean them. A special carburetor cleaner is used. This chemical is sold in aerosol cans.

Basic faults

Solex carburetors are the same technology as other mechanisms in a car, so even with proper operation, it can wear out and eventually fail. Some of the faults can be determined by the way the machine operates. But there may be something hidden from your eyes inside the carburetor body. In this case, diagnosing the breakdown will be much more difficult.

The owner of a VAZ 2107 can judge the incorrect operation of the Solex by the following signs:

• jerks and jolts when the vehicle moves;
• increased fuel consumption;
• problems starting the ignition;
• engine failures;
• decreased acceleration dynamics;
• idle failures.

Faulty operation of the VAZ 2107 carburetor when it wears out has a bad effect on engine power. Some things can still be cleaned, but somewhere else a full replacement of parts will be required. Any problems associated with misalignment of parts or associated with changes in the operation of the power unit are a clear knock on the door of the repair room.

Let's look at the most common problems that arise when a Solex carburetor wears out:

Gasoline is not supplied

The reasons that fuel does not enter the carburetor may be: lack of pressure in the fuel supply system, faulty fuel pump, dirt in the supply hose from the gas tank, or an outdated gas filter. In this case, it is recommended to try to blow out the fuel line or change the fuel filter.

Pouring gasoline

If you find leaks of gasoline (especially in winter they are very easy to notice - small puddles of gasoline in the snow), then be careful! This may cause a fire . Therefore, this problem must be resolved immediately! Most likely the solution lies in the depressurization of the hoses. The operation of the accelerator pump also needs to be checked, since if the problem is related specifically to it, then the cause of gasoline leaks may be excess fuel that is formed during accelerated operation of the pump.

Shoots

“Shooting” in the carburetor can be caused by a severe leanness of the fuel mixture, incorrect connection of high-voltage wires, a timing belt that is displaced by two or three teeth (when you change it completely, the belt must be tensioned well, and over time, tightened when displaced) and incorrectly installed ignition moment. The malfunction is detected when you press the gas pedal. As a result, you see the car jerking jerkily, after which it begins to stall.

The second camera does not work

Often the second chamber on Solex carburetors reminds of itself by breaking down. To eliminate it, we need to establish the cause of its occurrence. There can be as many reasons as with “shooting”. Here are all kinds of malfunctions: flooding of the carburetor chamber, incorrectly set gap, problems with opening the damper, lack of the proper amount of fuel, some components of the chamber have failed. You can determine the cause of the malfunction by unscrewing a couple of spark plugs. If the carbon deposits on the spark plugs are abnormal (black), this may indicate either a mixture that is too rich or too lean. Ideally, it is necessary to check the operation of all elements of the system.

Accelerator pump does not work

This problem can occur if the accelerator pump does not operate correctly. Because of this, the volume of fuel may be too large or too small, since the required pressure in the system is not provided. To solve this problem, you will need to remove the carburetor, disassemble the pump device and diagnose its operation. Most often, the malfunction may be due to wear of the rubber parts of the pump.

The engine stalls when you press the gas

One of the most common problems that VAZ 2107 owners face is the engine’s refusal to start. This can happen even after the car has been started. All this tells us that the fault lies in the float chamber. There may simply be no fuel in it or its level may be extremely low. Most often, engine starting problems occur due to the mixture being rich or lean. To deal with this problem, you will need to disassemble the carburetor and check the functionality of individual elements. (float, jets, dispenser)

If the car is only idling and the same problem occurs, then the malfunction may be hidden in such components as: control unit, solenoid valve mechanism, idle jets.

Regardless of what the problem is, you will need to inspect all parts of the idle system, adjust their quality and quantity with screws, tighten them, blow them and wash them.

"Solex"

These mechanisms are no less popular. DAAZ-21053 is especially popular. It is also manufactured under license. This carburetor has good dynamic characteristics and is also economical. This is a good solution if you need a carburetor for the “Six”. The design of the Solex is fundamentally different from all previous devices from the Dmitrov Automotive Unit, equipped with a fuel return supply system.

With this solution, gasoline can be returned to the car's gas tank. By using a reverse fuel supply system, it is possible to save up to 400-800 grams of fuel per hundred kilometers. Some versions of Solex can be supplemented with auxiliary electronic systems. Among them is an idle system with the ability to adjust using an electric valve. Also found on export models. In the CIS countries, a model with an electric idle air valve was widespread. This two-chamber carburetor turned out to be quite difficult to operate.

The channels are made narrow and often clogged. If the device is not maintained, then the idle system begins to malfunction first, and then all other components. In terms of fuel consumption, the Solex on the VAZ-2106 consumed from 6 to 10 liters when driving in quiet mode. In terms of dynamic characteristics, the unit is second only to the early Weber. If you do preventive carburetor repairs in a timely manner, Solex will not cause any special problems.

How to adjust the idle speed on the “six”?

The main design feature of the VAZ 2106 carburetor is the presence of two systems in it, independent of each other. The first is based on work in idle mode, the second is based on the work of opening the air damper after pressing the gas pedal. Their uninterrupted operation and the composition of the air-fuel mixture, which is located inside both systems, are affected by the fuel level in the float compartment.

If the fuel level changes, the adjustment of the systems and their operation will be disrupted. A failure may result in the engine no longer operating stably in idle mode, and it will be impossible to set the speed correctly. The system, which is based on idle operation, requires periodic adjustment due to its instability. This should be done after approximately 7-8 thousand kilometers.

The device is adjusted using two screws with special bushings that limit their rotation. One determines the volume of the combustible mixture, and the second determines its contents. Before adjusting the neutral mode, you need to warm up the car so that the engine is hot. In this case, the ignition must be set to factory standards, and the throttle valve must be open. Methodology for regulating the neutral mode.

1. Using the combustible mixture volume screw, the crankshaft rotation speed is set within 900 rpm.
2. Another screw is used to determine the level of carbon monoxide in the exhaust (no more than 1.2%).
3. Press the throttle valve actuator, then release it; as a result, the crankshaft rotation should proceed without failure.

If after these manipulations the car stalls, you must again set the crankshaft rotation to within 900 rpm and repeat the setting procedure. To troubleshoot problems, you can remove the VAZ carburetor.

First remove the air filter. Then carefully disconnect the rod and return spring from the throttle valve lever. Then dismantle the throttle valve rod cable and hoses. To prevent fuel from leaking out, the hose is sealed with a stopper. After this, unscrew the nuts that secure the VAZ carburetor and remove it. Install the power system unit, performing the same manipulations in reverse order.

How to choose a carburetor and what to install on a VAZ-2106?

Those who like to make improvements to classic models from AvtoVAZ and simply owners who want to improve the performance characteristics of the car most often choose Solex. Models used are DAAZ-21083. Installing them on classic models is impossible without significant modifications.

When thinking about which carburetor is best to install on a VAZ-2106, you need to take into account the engine size. For 1.3-liter units, the DAAZ-2018 option is perfect. For engines with a volume of 1.6 liters, the best choice is DAAZ-21083. The differences between these two models are in the cross-sectional diameter of the diffusers, as well as in the sizes of the fuel and air jets. If you install this carburetor as it is, then at speeds close to 4 thousand, the air emission speed can reach supersonic, which is not acceptable. But this will not affect acceleration in any way. It is necessary to enlarge the diffusers on the first and second chambers and install other jets. After this, fuel consumption will be the same as on 21053, and the dynamics will be better than on 21073. For VAZ-2106 cars, the price of such a carburetor will be about five thousand rubles.

Installing two carburetors

Two carburetors on the VAZ 2107 will give the car additional power. In addition, fuel consumption will be significantly reduced, which is very important for any driver today.

The procedure for installing two carburetors at once is advisable in the following cases:

• it is necessary to increase the speed characteristics of the car;
• Fuel economy required;
• we need to work out the emissions system and make them more environmentally friendly;
• The car lacks dynamics when overtaking, starting from a standstill or accelerating.

  
  Contrary to prejudices, installing a second carburetor does not increase fuel consumption, but, on the contrary, reduces it

Self-installation of two carburetors is possible only if you have the tools and knowledge of the design of your car. The procedure itself is not considered complicated, however, if there are errors in connecting the fuel supply hoses, one or another mechanism may fail. Therefore, to install two carburetor units on a VAZ 2107, it is recommended to contact specialists.

Features of the installation DAAZ-2108, -21083

To install any of these models on the “Classic”, it is necessary to prepare a new set of gaskets, hoses for the carburetor heating system, a tee for connecting to the fuel system, a valve and rods for the accelerator. To get the maximum result from this procedure, it is advisable to replace the ignition. It is better to install a more technologically advanced, electronic one. Contact ignition is a thing of the past. The system is very unreliable and often causes operational problems. The installation of contactless electronic ignition is one of the most useful improvements for domestic VAZs, in particular for the Six.

VAZ2107 carburetor: how to clean the unit from dirt, step by step

Often, malfunctions of the device are associated with its contamination.

Signs that can help diagnose the problem:

• instability of operation, especially at idle;
• high gasoline consumption;
• jolts and jerks while driving (with the gas pedal pressed).

You can clean the carburetor from blockages on your own. This requires washing the strainer located at the inlet of the float chamber. In addition, cleaning the chamber itself, as well as other components, especially the jets, will help solve the problem.

It is important to remove plaque on the internal walls of the unit, which forms during the operation of the crankcase ventilation system. The walls of the neck, dampers, and diffusers do not need to be cleaned, although if the unit is being serviced, it is better to remove dirt everywhere.

Work technology:

• The top cover is removed (to do this, unscrew the bolts and press out the side spring).
• If necessary, change the filter element.

Important! The condition of the strainer must be checked every 50...80 thousand km. mileage

• The jets are unscrewed.
• The diffusers are dismantled (you can simply pry them off with a screwdriver).
• All channels are purged
• The lower part of the carburetor, secured with two bolts, is removed. To do this, you also need to remove the spring.
• All parts of the carburetor must be cleaned (special attention should be paid to the jets, the holes of which often become clogged), after which it can be assembled.

Important! Gaskets with significant wear are recommended to be replaced.

After cleaning the parts from dirt, the carburetor is assembled.

Other options

But don’t think that this is all that is suitable for “Classics”. If you think about which carburetor is better to install on a VAZ-2106, then you also remember the Solex-21073. It is designed for 1.7 liter engines - from 21053 it is distinguished by larger channels and enlarged jets.

After installing it, you can get even more dynamics, and the fuel consumption will be 9-12 liters. And if you are not afraid of the consumption and rare preventative repairs of the Solex carburetor, then you can opt for it.

Increasing the power of the “classics”

The VAZ 2106 carburetor modernization scheme includes several stages. At the initial stage, they increase the level of engine dynamics by removing the spring from the air damper drive. After this, you need to be prepared for a slight increase in fuel consumption. Next, the vacuum lever of the throttle valve is made mechanical. Take a steel wire and round it at one end.

The lever is placed under the drive fastening nut. In this case, the place where the outer lever protrudes should be between the wire and the second lever. After this, the nut is tightened tightly. The next step will be replacing the small diffuser. It is located in the main diffuser above the air valve. For replacement, an element with a marking value of “4.5” is selected instead of a diffuser marked “3.5”. The nozzle on the accelerator pump is also replaced here.

Select a sprayer with a different marking value - “40”. After this comes the stage of increasing the jets. As a result, we must keep in mind that fuel consumption will increase. First, they are upgrading the primary compartment. Here they put a fuel type jet, marked as “125”, and an air jet, with a marking value of “150”. After the operations have been completed, you can conduct a rehearsal of starting the car. Acceleration and power should increase.

This is interesting: Selection of spark plugs by car make

If this happens, then you can change the jets in the secondary compartment, selecting the marking “162” for fuel, “190” for air. To tune a carburetor, you must have not only technical knowledge and relevant skills, but also common sense. What is better: tuning the VAZ carburetor, replacing it? Or maybe we should leave everything as it is? In each specific case, you need to decide on the situation, based on your own experience, financial capabilities and necessity.

The result of tuning or replacing the carburetor will not be long in coming: the power and dynamic qualities of the car will increase. But at the same time, the consumption of fuel and lubricants and the toxicity of emissions will increase. That is why the issue must be approached responsibly and seriously.

Bottom line

Of course, these are not all carburetor models that can be installed specifically on the VAZ-2106 and other classic Zhiguli cars. There are a lot of Chinese devices, as well as devices from European and American manufacturers. Both single- and double-chamber models are available for sale. But they are expensive and do not always guarantee high dynamic performance and efficiency. You will only get one of the two. Therefore, the question of which carburetor is better to install on a VAZ-2106 can be answered this way: it is best to install a domestic device, one of the above. Reviews from motorists recommend installing “Ozone”. It is one of those that, with low fuel consumption, produces maximum dynamics for a car.

What to put?

Sometimes there is a need to completely replace the carburetor. Therefore, you immediately need to decide which model to buy. Today there are two most common families: Solex and Ozone carburetors.

Many car owners don’t even know what kind of device they have. Externally, these devices can be distinguished by the following characteristics.

• In Ozone, the fuel intake fitting has the shape of an oblong tube, in Solex it is a return
• Ozone consists of three parts: the throttle valve axis, the float chamber and the cover. Solex consists of only two parts: the lower part with the float chamber and the upper part - the cover in which the float is held.
• The ozone has a vacuum valve that controls the opening of the throttle valve of the second chamber.
• On a Solex carburetor, the air damper is controlled by such a large lever: On ozone, this lever looks completely different. It is also called a three-arm lever.

In the 90s, a massive hobby began to replace the standard Ozone with Solex. Taxi drivers were especially guilty of this. This was explained by the fact that fuel consumption decreased slightly, and engine dynamics became a little better.

If you install an oxygen sensor and compare its values ​​on different models, you can understand the reason for this phenomenon. With Solex, after adjusting the mixture composition, the range in composition is no more than one. On ozone, after adjusting the mixture at the moments of braking and acceleration, the mixture acquires a very strong spread of values. At the same time, it can increase or decrease by a large value.

This is due to the fact that the jets on the Solex are located in the center of the float chamber. When the position of the car changes during sharp turns or during acceleration and braking, part of the fuel is deflected by inertia towards one of the walls of the float chamber. The central location of the jets reduces the likelihood of changes in the fuel composition at these moments.

On ozone, the device is significantly different. The jets are not in the center. Therefore, fuel moves around the float chamber in different directions, which significantly changes the spread of air proportions in the fuel mixture. In different driving modes, the engine receives a different mixture composition.

So, the Solex carburetor on the VAZ 2106 keeps the mixture more stable while driving. This is its main technical advantage.

DIY adjustment

Each car owner of a “six” or “seven” has the ability to adjust the carburetor independently. Adjustment work can enhance the dynamic qualities of the car, as well as reduce gasoline consumption. Undoubtedly, these are important indicators for any car owner, so you should be responsible when adjusting the carburetor.

Preparatory stage

Before you start work, you need to prepare thoroughly. This stage is necessary to ensure that nothing distracts the driver during setup and configuration.

First, it is recommended to prepare your work area. The carburetor must be installed on a flat and hard surface; it is better to stock up on rags in advance, as gasoline leaks are possible. In addition, it is necessary to ensure that the room in which the adjustment is planned is well ventilated and has high-quality lighting.

The second point of preparation is the set of necessary tools. You will need to prepare in advance a set of wrenches and two screwdrivers - a Phillips and a flathead with a narrow blade.

Attention! Adjustment work is carried out only after the carburetor has been washed, worn elements have been replaced and the device has been installed on the engine.

How to enrich or lean the mixture

Enriching or depleting the air-fuel mixture must be done at engine idle speed:

Start the engine and wait until it warms up to its operating temperature.

Tighten the fuel quality and quantity screws until they stop.

Referring to the idle speed data given in the VAZ service book, set the required number of revolutions by adjusting the screws in one direction or another.

That is, the principle of adjusting the mixture is to set the idle speed recommended by the manufacturer by reducing or increasing the enrichment of the mixture (quality screw) and reducing/increasing the amount of mixture (quantity screw).

At the bottom of the tube there is a quality screw, and a little to the right in a tube of smaller diameter there is a quantity screw

How to reduce gasoline consumption

The main element in a carburetor is the float. After you have adjusted the enrichment/leanness of the mixture, the float will invariably return to its axis. However, it may be slightly higher than normal - in this case, fuel consumption will increase. In addition, adjusting the float is also necessary in order to reduce the toxicity of gas emissions, since due to poor-quality sealing of VAZ cars, some gases can enter the cabin.

Adjustment of the float mechanism is carried out on a completely cooled motor. In order to get to it, you will need to remove the air filter box and unscrew the carburetor cap:

The float tongue needs to be adjusted.

Adjusting the clamps and axle fastenings allows you to set the desired stroke.

Then you need to install the cover on the carburetor and screw the filter box into place.

Adjustment of the float tongue is ensured by screws and clamps

How to make repairs for a “classic”

Initially, we will discuss the carburetor repair instructions from 2107. For the work, we will need the following tools:

• screwdrivers;
• spanners;
• pliers;
• ruler.

Also find out about and.

We begin repairing the VAZ 2107 carburetor by dismantling the unit from the car. It is produced in the following sequence.

1. First of all, we dismantle the air filter housing together with the filter element by unscrewing the nuts.
2. After unscrewing the fasteners, disconnect the throttle cable and the choke cable.
3. We disconnect the crankcase gas exhaust hose.
4. Loosen the clamp and remove the fuel hose.
5. Disconnect the vacuum regulator hose.
6. Disconnect the pneumatic valve from the economizer.
7. Remove the microswitch from the terminals.
8. Using a screwdriver, press the tip away from the damper drive rod, and then remove the return spring.
9. We dismantle the entire assembly unit.

Now, to repair a carburetor from a VAZ 2107 with our own hands, we need to disassemble it, replace the defective parts with new spare parts (they are sometimes sold in the form of a special repair kit for repairing VAZ 2105 - 2107), and we may also have to process the filler plane. We will describe how to do all this.

1. We dismantle the three-arm lever, spring and rod.
2. We remove the cover, as well as the housing from the throttle valves. Replace the gasket if necessary.
3. Carefully dismantle the float by pulling out the axle.
4. We unscrew the fuel needle valve, as well as the fuel jets from the float chamber. If necessary, we replace parts.
5. We unscrew the fuel nozzle of the idle system. If necessary, we replace it.
6. After unscrewing the accelerator pump bolt, remove the pump cover, diaphragm and spring. These parts can also be replaced.
7. We take out the diffusers that worked above the dampers.
8. Unscrew the screw for the amount of mixture.
9. We wash all disassembled metal parts in acetone.
10. We apply the edge of the ruler to the plane of the upper body, which is connected to another plane of the body for fastening the dampers. Checking the curvature. By the way, if before this it was not possible to properly adjust the stable idle speed, the culprit could be precisely this curvature, which causes air leaks. If necessary, we process the plane with an emery wheel manually, without an electric drive of the wheel, after first removing the adapter tubes from the plane. We perform this operation extremely carefully.
11. We assemble it in the reverse order, just like installing it on a car.

Let us add that repairing a carburetor from a VAZ 2106 is done in exactly the same way, since the unit is the same, under the DAAZ 2107 brand. Generally speaking, repairing a VAZ 2105 is done in the same way, because again the brand of the unit is the same.

Differences for front-wheel drive

Now let’s look at the features of the process when it is necessary to repair a VAZ 2109 carburetor.

With the front-wheel drive Lada, a unit called “Solex” was used, somewhat improved compared to the DAAZ 2107. Its removal from the car is carried out according to the already described scenario. Let's see what differences there are from the above manuals when disassembling and repairing a carburetor from a VAZ 2109. The same tools are needed. We move point by point in the same way and look at the differences.

1. Removing the lever.
2. The cover and housing from the throttle valves are removed in the same way as the previous instructions.
3. The float chamber here is arranged in a similar way - let's disassemble it.
4. We unscrew the similar fuel jets plus the needle valve.
5. The fuel jet of the idle system is definitely replaced here with a solenoid valve; we unscrew the valve with a wrench. We then install a new one instead - this is desirable.
6. The accelerator pump is disassembled in a similar way, its parts, especially the diaphragm, are replaced with new ones.
7. We remove the diffusers.
8. The mixture quantity screw is of a different type here; we also dismantle it.
9. We wash parts that are not worn out in acetone.
10. If necessary, we process the plane of the upper body according to the above recommendations.
11. We do the assembly, moving back step by step, this also applies to installation on the car.

As you can see, the instructions differ little from those given earlier. Here it must be added that when repairing a carburetor, most often it is necessary to replace the jets, since due to their small size, coupled with the strict requirements for their operation, the life of these parts is short.

In addition, it is important to know that on the “nines” they actually installed a carburetor with brand 2108, so repairing a carburetor from a VAZ 2108 is carried out exactly according to the instructions given. In addition, the “eight” and “nine” modifications have the same unit, but modified, with slightly different clearances. Therefore, repairs on 21083 are done in the same way, but when making adjustments they are guided by slightly different gap values. Their values ​​should be taken from the technical documentation. The same goes for repairs on 21099.

Settings must be made after installation.

Something about cost and non-repairability

Of course, not everyone can repair such a complex mechanism as a carburetor. Many car enthusiasts would rather resort to the services of car services. Let's see how much money they have to shell out. Here are the average data for major cities of the Russian Federation.

These prices are indicated approximately for the repair of a carburetor type 2108. The cost is not small, however, it is approximately two times lower than purchasing a new unit. Although sometimes you can’t do without a purchase. After all, there may be cases when repairs and adjustments will not help the carburetor.

For example, the processing of curved planes, which was discussed above, may be useless due to the general so-called “fatigue” of the metal. It is not uncommon for threaded holes for jets to become worn out. In addition, the combination of many minor defects in the unit can persuade the owner to buy a new one.

For decades, the carburetor mechanisms of VAZ 2106/2107 vehicles ensured stable operation of the vehicle’s power units. However, regardless of the year of manufacture and configuration, the carburetor requires special attention to maintenance. In most cases, repairs or adjustments can be made by the driver himself, but it is recommended to be extremely careful.