Adjusting and checking the carburetor. Specifications What role does the carburetor play?

One of the most widespread models in the country produced by AvtoVAZ can be considered the "eight" or its modification - "nine". Owners of VAZ 2108/2109 cars in practice were convinced of the performance of their vehicles and their unpretentious maintenance. In order to timely prevent all malfunctions in the operation of the machine, you need to carefully monitor it technical condition... One of the main tasks of the driver is considered to control the operation of the carburetor device at the VAZ. The car owner can do almost all types of repairs and adjustments with his own hands, since the design of the carburetor has a simple device.

Models of carburetors for VAZ 2108/2109

Solex series carburetor mechanisms are produced at the Dimitrovgrad Automobile Unit Plant. Designs are intended for picking front wheel drive vehicles VAZ, in which the engine unit is located transversely to the body.

The standard model for equipping the VAZ 2108/2109 is the DAAZ 2108-1107-10 carburetor. It works in tandem with a 1.3-liter engine. Carburettors 21083-1107010 are installed on 1.5-liter engines.

The DAAZ carburetor is used to equip all cars of the eighth and ninth models

The modern equipment of the VAZ 2108/2109 is provided by carburetors of more advanced models, since they provide a starting device in automatic mode:

modification 21083-1107010-31 has one stage automatic control and start in a given mode;

modification 21083-1107010-35 is equipped with two stages of air damper control, which ensures more stable operation of the power unit;

modification 21083-1107010-62 is similar to the previous version of the carburetor mechanism, but has an addition in the form of an electric air-fuel mixture mixing system.

Solex construction

The carburetor mechanism of all modifications on the VAZ 2108/2109 is emulsion and consists of two chambers internal combustion... In the upper part of the carburetor there is a cover that prevents dirt from entering the cavity of the device, and the fittings are supplied to them fuel lines. middle part- this is the body itself, in which the diffusers and chambers are mounted. At the bottom of the carburetor are the float chamber and throttle valves.

The key elements of the system are:

accelerator pump;

float;

throttle thrust;

economizer forced idle move;

main dosing system;

trigger mechanism;

econostat;

idling system of the car.

The principle of operation of the Solex carburetor boils down to the fact that gasoline is supplied through the inlet valve in the fitting. The fuel is directed immediately to the float chamber. The fuel level in the cavity must always be at a certain level to avoid dips and jerks in the engine. The level is controlled by movements of the needle valve mechanism.

After the chamber, gasoline is sent to emulsion wells, where it is supplied in strictly limited quantities through fuel nozzles. It is in the wells that air currents break up large drops of gasoline, forming a single fuel-air mixture with it.

If you are interested in repairing a gas pump in VAZ 2108/2109 cars, it is recommended to study the following material in detail:

The mixture is fed into diffusers, and through them into the power unit device. Thus, the main task of the carburetor is to form the air-fuel mixture in the desired consistency and send it to the engine.

The interaction of many elements provides smooth operation motor

Carburetor repair VAZ 2108/2109

On VAZ 2108 and 2109 you can buy everything necessary spare parts for self repair carburetor

It is impossible to dismantle the dampers (both for air and throttle) without necessity, since they are rather difficult to install back, which invariably leads to incorrect engine operation.

Repair manual "Solex" DAAZ 2108-1107-10

An electromagnetic valve mechanism is carefully unscrewed from the body of the device, from which you can immediately pull out the nozzle inserted into it.

The nozzle is rinsed in a container with acetone and blown out with compressed air from a can or pump.

Then unscrew the five screws that hold the carburetor cover. The cover is removed strictly vertically upward with a slow movement so as not to pull the float out of the chamber.

The float is removed from its axis by pressing the awl on the centerline lock. The device can then be easily removed.

The gasket must be removed from the bottom of the carburetor and inspected for damage and deformation. If there are pinched spots or tears, it will be necessary to change the sealing element.

The fuel valve is unscrewed with a spanner wrench. It is recommended to immediately check it for functionality. If, when the trigger is pressed, the needle moves easily and smoothly, has no backlash, then the valve can not be changed.

This is followed by a check of the launcher. It will be necessary to unscrew the four screws with which the device itself is fixed to the lid, and remove the diaphragm from it. This product must retain elastic properties and not have any damage or deformation. The return spring must be elastic.

The fuel filter is unscrewed from the slot and placed in a container with acetone. After flushing, it is recommended to blow it out and screw it back in immediately.

Pump sprayers are best removed with a screwdriver. It is necessary to pry them off and pull them out of the carburetor. For a while, the elements are placed in acetone, after which they are purged. It is recommended to immediately replace the rubber gaskets of the nozzles.

Next, you can take a look at the accelerator pump itself. You will need to unscrew the four screws that fix it, pull out the device and inspect its diaphragm and spring. It is best to immediately rinse the pump parts, in case of severe wear of the parts, replace them.

The economizer is checked and repaired in the same way.

Then you can unscrew the jets. If the holes in them have increased, it is better to install new jets immediately.

Unscrew the carburetor mounting screws

By performing all these steps step by step, you can disassemble and repair the carburetor in a high-quality manner.

Video: DIY carburetor repair on VAZ 2108 and 2109

Carburetor diagnostics

The fact that there are malfunctions in the operation of the carburetor may be indicated by characteristic signs:

there is a time gap from the moment you press the gas pedal to the acceleration of the car;

jerks in the operation of the power unit at high speeds;

a series of jerks when driving on a flat surface;

noticeable decrease speed characteristics car;

fuel consumption has increased significantly;

the engine does not start well "cold";

instability of the engine at idle.

Each of these signs, as well as their combination, indicates that there is a problem in the carburetor and needs repair or adjustment.

If there are leaks of fuel, you need to stretch the connections. It is possible that it was the weakening of the connection that caused the carburetor to malfunction.

What to do if the engine does not start or stalls immediately after starting

The probable cause of such a malfunction is a decrease in the fuel level (or lack thereof) in the float tank. In addition, if the engine does not start, it is worth immediately inspecting the engine compartment for gasoline leaks - it is quite possible that the fuel does not enter the carburetor. If this is not the case, then it is necessary to flush the float chamber and set the float in a level position relative to its axis.

Unstable engine idling

After the engine has been started or stopped after a long drive, dips may occur in its operation. There may be several reasons for this behavior:

nozzle holes are heavily clogged;

there was a failure in the economizer;

damage to the quality screw gasket.

One way or another, but you have to remove the carburetor, disassemble it and thoroughly rinse all the parts. It is recommended to replace the gaskets even with slight wear.

Difficulty starting in winter

Most car owners of VAZ2108 / 2109 experience problems when starting the power unit at low temperatures. Difficulties can be triggered by incorrect operation of the starting device. The air damper closes too quickly, so the amount of air that enters the emulsion channel may not be enough to prepare the air-fuel mixture. It will be necessary to adjust the operation of the trigger mechanism with your own hands.

The engine is flooded

Due to excessive dosage, the float chamber may not withstand the loads and supply an excessive amount of fuel to the system. This leads to the fact that the engine is filled with gasoline and cannot perform its functions correctly. It is necessary to check that the fuel valve is working and that it is tight.

Sharp jerks when driving - what to do

If vehicle while driving, it suddenly experiences sharp jerks or jerks, then the cause of the problem lies in the fuel supply system. The engine simply does not receive the volume of the air-fuel mixture it needs. It is possible that they have depressurized valve mechanisms or the filters are heavily clogged.

How to remove a carburetor unit from a VAZ 2108/2109

Dismantling the carburetor is necessary in almost all cases. renovation works... It is recommended to remove the device on a cooled engine, since all work is carried out in the immediate vicinity of the intake manifold and its pipes, which can easily burn you.

Video: do-it-yourself dismantling of a carburetor at a VAZ

To facilitate the work, it is best to immediately unscrew the screws securing the box with the air filter, as it will interfere with dismantling and prevent direct access:

1. After that, it will be necessary to disconnect two drives from the carburetor body (one goes to the air damper, the other to the throttle). In addition, it is recommended to immediately disconnect the return spring and its retainer from the actuator.
2. Further, the wire is disconnected from the forced idle economizer screw.
3. After loosening the clamps, it will be necessary to remove the fuel supply pipe and the hose that works "for the return".
4. The heating block mounting screw is unscrewed, the block is removed.
5. The vent hose and vacuum hose are disconnected from the fitting on the top of the carburetor.
6. After disconnecting all lines, dismantling of the carburetor unit itself is allowed. To do this, you will need to unscrew the four nuts that secure the carburetor with studs to the intake manifold. The device is pulled out together with the gasket.

How to flush the carburetor assembly without disassembling it

The traditional method of washing carburetors is considered to be its complete disassembly into separate components, which is not always possible for an inexperienced VAZ owner to perform. To simplify the procedure, a method was created for flushing and cleaning the carburetor without disassembling it into components. This technique is based on the use of special aerosols in cans. The most affordable carburetor cleaners are aerosols produced by ABRO and Mannol - they can be bought at any auto shop at a cost of 100–150 rubles.

These cleaners do an excellent job of cleaning carburetor mechanisms and are very easy to use. To flush the Solex carburetor, it is recommended to turn off the engine, let it cool down and start the procedure:

Remove the air filter box on the car, move it to the side.

Unscrew the solenoid valve from the carburetor housing.

Put a special narrow nozzle on the aerosol can and treat the nozzle channels, the first and second chambers, flaps and all visible carburetor elements with liquid.

Then spray the aerosol onto the outer parts of the mechanism.

If in one procedure the carburetor did not have time to properly clean, then you can treat it again with the same aerosol.

After such a cleaning, the VAZ 2108/2109 will significantly increase its dynamic characteristics, since the buildup of dirt will not interfere with the normal operation of all parts of the carburetor.

Video: how to clean a carburetor on a VAZ with your own hands and without removing it from the car

How to replace carburetor parts

Replacing the float, diaphragm of the accelerator pump, seals is not particularly difficult. Most often, during repairs, repair kits selected according to the type of carburetor are used, which include everything you need to replace the elements.

The replacement procedure is not regulated by anything: it is enough to remove the damaged part and install a new one in its place. The main criterion: the identity of the elements when replaced.

How to adjust Solex DAAZ 2108-1107-10

It is advisable to start the process of tuning and adjusting the performance of the carburetor mechanism from the float compartment. This is due to the fact that there is fuel, the level of which must be strictly fixed. If the gasoline level is below or above the norm, then the adjustment of other components becomes meaningless.

Float adjustment

The adjustment procedure includes several stages:

First, start the engine and let it run for 3 minutes, then turn it off.

Remove the air filter box and set it aside as it prevents easy access to the carburetor.

First of all, disconnect the branch pipe through which the gasoline is supplied from the Solex body.

Unscrew the five screws on the cover with a flat screwdriver to remove it.

Measure the distance from the edge of the float chamber to the fuel level. It should be equal to 25.5 mm. If there are differences, you will need to set the desired parameter by bending the float bracket.

And you will also need to set the axis of the float so that it can move freely.

The adjustment of the float chamber and float is considered complete at this point.

Adjusting the starter

You can adjust the carburetor on the VAZ 2108 and 2109, as well as repair it, with your own hands. This work must be done with the carburetor removed from the engine and positioned on a level surface. If the diaphragm of the trigger mechanism has been damaged, then it is necessary to replace it initially and only after that proceed with the adjustment work:

Turn the choke adjustment lever and close it completely.

Lower the trigger rod with a screwdriver blade and hold it in this position.

Measure the width of the gap between the shutter and the chamber wall. The available figure should be 1 mm. If this is not the case, then adjustment will be required.

It will be necessary to loosen the lock nut, which is located on the surface of the accelerator pump, and at the same time turn the quality screw with a screwdriver. If you turn the screw in one direction, the gap will increase, while turning in the other direction, it will decrease.

Measure the thickness of the gap again.

The same principle is used to adjust the air damper on the second chamber.

You can measure the width of the gap using a drill with a diameter of 1 mm.

How to adjust idle speed

This procedure can only be carried out with the carburetor installed in the car, after the engine has warmed up well. Wherein air filter will no longer interfere with access, therefore it remains in its place under the hood:

Stop the engine.

Tighten the air-fuel mixture quality screw completely and then loosen it no more than four turns.

Start the engine again, simultaneously turn on all the lights, acoustics and the stove to increase energy consumption.

Working with the screw of quantity, you need to set the number of revolutions of the working motor at 750-800 per minute.

The quality screw sets the maximum idle speed - 900 rpm (in winter period an increase of this parameter up to 1000 rpm is allowed).

After that, you will need to screw the quality screw back until you feel interruptions in the operation of the engine. At this moment, you will need to stop and make one turn back.

The idle speed adjustment on the VAZ 2108/2109 is necessary in order for the car to show stable operation in the set mode without high consumption of the air-fuel mixture.

This material will help to independently repair and replace the muffler in VAZ 2108/2109 cars:

Carburetor tuning

Not all owners of VAZ 2108/2109 cars know that it is possible to refine the carburetor with their own hands. Tuning will allow not only to increase the resource of the power unit, but also to increase the speed characteristics of the car. To do this, it will be necessary to ensure a decrease in the resistance of the air flow that is sucked into the carburetor.

To carry out tuning, it is necessary to remove the carburetor, clean it inside and out, in order to ensure the full operation of all its components.

After that, it is necessary to remove all jets and throttle valves from the body. The cavities of the two combustion chambers must be enlarged using a lathe. The larger the volume of the chamber, the less air resistance in them will be. It is also recommended to enlarge the cavity of the diffusers simultaneously with the boring of the chambers. It is better to entrust the work on the machine to a specialist, since this is the only way to avoid damage to the case.

In addition, you will need to pick up new jets with larger holes. It is recommended to install fuel and air jets with a 0.05 mm opening. This is enough to increase the throughput of the carburetor parts.

In addition, you can change the needle on the economizer device. It is best to replace it with a rubber product. The rubber needle withstands a longer mode of high loads and has an increased service life. Only such equipment will allow you to get rid of the "freezing" of the motor when you press the gas pedal sharply.

Enlargement of internal cavities minimizes air resistance

Assembling Solex in reverse order

Installation of the carburetor mechanism on the intake manifold is possible after flushing and repairing, as well as some adjustment steps. It is important to correctly connect all fuel and other hoses so that there are no problems with engine operation. The assembly of the DAAZ 2108-1107-10 carburetor is carried out in the following order:

A gasket is applied to the installation site. It serves to reliably connect the two units - the carburetor and the intake manifold.

After that, the carburetor itself is threaded onto the studs and fixed with four nuts.

After the assembly has been carefully attached, the hoses can be connected. The first step is to connect the vacuum and ventilation hoses.

On the one hand, a fuel supply pipe is connected, on the other, a return hose for excess fuel.

The EPHH drive wire is connected to the corresponding screw.

At the end of the work, you can screw two wires (air and throttle valves) to the screws.

The strict sequence of connection is due to design features carburetor

After completing the installation of the carburetor, it is recommended to turn on the ignition and check the operation of the engine unit. In the event of oil or fuel leaks at the hose connections, turn off the ignition and carefully check all connections.

All work that the car owner performs to maintain his car must be deliberate. It is not necessary to disassemble the carburetor and replace parts unless there are clear signs of malfunction. Moreover, with self-adjustment it is necessary to adhere to a clear schedule of actions. Both poor quality repairs and improper adjustments can seriously affect the performance of the carburetor.

which carburetor is better put on vase 2109

Nine. almost the most popular car in the Russian car industry. Simple, smart enough and adequate for the price, it has become a tasty morsel for not too wealthy car enthusiasts. In principle, despite all the complaints about VAZ and some skepticism of the population, the car was perceived quite well and is still being bought. Moreover, not only its modifications are VAZ 21093 and others, but also the original nine in the classic layout. But, like all domestic equipment, this car had a number of technical drawbacks.

Read the same

And one of the problems associated with filling the VAZ was carburetor for drivers. The point is not that it turned out frankly worse than its colleagues installed on other cars of the Lada family, but there were no shortcomings without the traditional ones for our cars. Basically, nine are not the most difficult to operate and repair. domestic cars and they are easy to customize, so
has recently become very popular in Russia.

The ninth model, officially named Lada Samara, received several types of carburetor engines. The standard Lada received a four-cylinder carburetor engine volume of 1.3 liters. E of the senior team on the VAZ 21093 model line received a VAZ-21083 engine. As a result, they appeared on nines. Carburetor for VAZ 2109 , familiar to car owners, does not have complex functions. The model is two-chamber, emulsion.

As if someone did not scold the VAZ assembly, it has advantages, not just disadvantages. At least due to their simplicity and mass character, VAZs are so popular in our country that the plant itself survived the crisis and still produces cars that are still in demand among the population to this day. Very popular today. Standard carburetor VAZ 2109, or rather a mock-up of the device, which you can see below. As we can see in this diagram (view from the body throttle) the carburetor device VAZ 2109 is quite simple.

Which carburetor is better

To order can on the site: Production of DAAZ (Dimitrovgrad Automobile Unit Plant).

Carburetor Solex 21083 DAAZ for VAZ 2108-2109-21099 (21083-1107010)

Read the same

Today Nail Poroshin will tell and show the main nuances of installing the 53rd Carburetor to the Classics! Everyone.

It is not much more difficult to recover in standard conditions... That cannot be said about the complexity of working with the injector at the same time. When the plant in Togliatti began to produce a VAZ car 2109 carburetor, he chose the tried and true enough. When it comes to tuning, this is clear in these carburetors.

Our readers often ask which carburetor is better. put for a VAZ 2109? It is difficult to answer this question unambiguously. But let's think about it. From what the market offers, the most famous are Solex, Weber and DAAZ. The first is perhaps the most common. The second is difficult to install, but excellent in quality.

And with the third, how lucky. On the VAZ 21093, most often Weber 40 DCOE 151 carburetors. Among owners of Lada Samara of this model believe that Weber's model is better.

It is difficult to judge how right these or those VAZ owners are, because any carburetors break down. And, as practice shows, seasoned webpers sometimes do not find spare parts, while less complex Solexes compare favorably in this regard. As the mechanics say, the life of a simple mechanic is difficult and uncomplicated. Carburettors are far from the best. Especially when it comes to the repair of domestic automotive equipment.

Read the same

Disassembling, cleaning and washing the carburetor since nine. this is another headache. Especially when you have to carry out these procedures in field conditions rather than in a cozy and hot box. It is difficult to blame VAZ for the prices of spare parts.

Here they are much more profitable than most competitors. Take at least such a moment as the price of a VAZ 2109 carburetor. This replacement part for a VAZ 2109 car is much less than in the case of most foreign cars.

Retail price of the carburetor VAZ 2109 ranges from 3 to 5 thousand rubles. Some car owners choose such a service as tuning the VAZ 2109 carburetor. It is difficult to say how much this service is in demand now. But sporty carburetor put people. Of course, to increase the power of the VAZ 2109 engine, the sports type of the carburetor affects. But how much this is justified in the conditions of the city, especially in Russia, it is difficult to say.

Vaz 2109 carburetor tuning is a popular and very demanded topic lately. From the article we will learn how to do this.
On the VAZ 2109, tuning a Solex carburetor or a carburetor of another production is carried out for only one main reason - to increase the power and dynamic characteristics of the car.
To increase power, experts disagree, it is first of all necessary to refine the power unit itself. Yes, this is true, but if there is not enough budget, you have to take risks.
Modification of the carburetor, without improving the rest important elements, this, of course, is a risk, but in some cases it is justified.

Device

Before tuning, you need to know how the Solex carburetor works. It was produced in several modifications and either DAAZ-2108 or DAAZ-2183 was installed on the VAZ 2109.
The first of the carburetor modifications was set at 1.3 liter engine, the second - by 1.5 liters. These carburettors are devices that are designed to accurately meter fuel in the air stream.
The Solex carburetor also differs in the following features:

• It is in the carburetor that the process of formation of a combustible mixture from fuel and air takes place, with its subsequent supply to the engine cylinders (see);
• Note that the Solex carburetor has two vertical channels called chambers.

Note. A throttle valve is provided for the passage of air at the bottom of each chamber.

• Due to the fact that there are two chambers, and the damper drive is designed in such a way that as the gas pedal is pulled, one and then the other channel opens, such a carburetor is called two-chamber.

Note. The chamber that opens earlier is called primary, and the one that later is called secondary.

• Among the main features of the carburetor, we note also the tapered constrictions, called diffusers. They are needed in order to create a vacuum required to suck fuel from the float chamber (a special container in the carburetor body).

Note. The fuel level in the float chamber is kept constant to ensure normal carburetor operation.

• Solex carburetor consists of two main parts: upper and lower. The flanged body, air filter retaining studs and fuel fittings are what the upper part consists of.
  The lower part consists of a body, diffusers, a float chamber, etc.

Technical parameters of DAAZ-2108/2183 carburetors

Classic tuning

To carry out tuning of the Solex carburetor, the following operations must be carried out:

• Dismantle it yourself;
• It is good to clean it from dirt;
• Remove the jets and throttle valves (carried out for boring diffusers);
• Both chambers must be enlarged on a special machine;
• Grind the carburetor to reduce the resistance of the incoming air;
• We select the right ones for the now modernized carburetor.

Selection of jets

The selection of jets is the most difficult process. They should be selected taking into account not only coincidence, but also high accuracy.
Thus, the high-pressure liquid must be selected so as to let through a certain amount of air, which would be equal to the amount of fuel passed through the high-liquid liquid. Otherwise, the fuel mixture will not be properly balanced, which will inevitably lead to poor acceleration and other problems.
In addition, the jets must be properly balanced. It is necessary to approach this issue with all responsibility, realizing that the instability of the fuel level will lead to a depletion of the mixture.

Note. As you know, the ideal level is 1 mm. The rest of the levels lead to malfunctions and loss of power.

In the process of tuning the carburetor, it is also recommended by specialists to install a rubber shut-off needle, which provides a more reliable level during heavy loads. In addition, such a needle is durable and able to get rid of hang-ups when the accelerator pedal is pressed sharply.

Two carburettors instead of one

This approach is also seen as effective tuning. This idea has quite sound reasons. It would seem why the engineers themselves did not think of this at the design stage of the VAZ 2109 car, but this is a different story.

Note. One of the main reasons for installing two carburetors instead of one, specialists and tuners see that due to the oddities of the design on power unit"Nines" are different lengths of collector pipes. Due to this, not entirely clear situation, more fuel gets into the chambers of the 1st and 4th cylinders of the engine, and less fuel into the rest.

This error can, of course, be corrected by polishing the collectors and both chambers from the inside. Such a procedure will allow more mixture to enter the chambers, as a result of which the flow resistance will drop, the quality will improve and everything will become much more efficient.
But, nevertheless, it is not perfect option- installing two carburetors instead of one looks much more attractive.

Important points

Here important points to consider when installing:

• Both carburetors must be of the same model (in this case Solex);
• It is also necessary to install two filters and prepare the appropriate number of fasteners, tees, hoses, and so on;
• After installation, which in itself is not that difficult, it is necessary to tune both carburetors, which is considered a more difficult operation.

Note. Carburettors can be adjusted using a vacuum gauge bar or an IKS-1 mixture quality sensor screwed into the place of the spark plug. So, in order for the adjustment to be correct, it is necessary to observe the color of the mixture at idle and ensure that it becomes light blue.

Algorithm for carrying out the installation on your own

Here's what to do:

• Take two Solex carburetors;
• Bring them into proper form and equip them with a repair kit;
• Purchase two collectors from the Oka car, which will serve as the basis for the intake tract (you must also make your own transition manifold).

Note. On the "nine" you can install two carburetors without mounting an adapter, but then you will have to cut a lot, connect, etc.

• Next, you need to synchronize the work of the carburetors by opening the dampers on both of them.

Advice. As a drive for the dampers, it is advisable to use thrust from Ozone, but not cables from Tavria, which stretch.

• After installing the carburetors, we connect the fuel hoses and two return lines through the tees;
• It is imperative to plug the choke on one of the collectors;
• We start the car (with half a turn) and check everything.

Pros and cons of a double carburetor on the "nine"

Tuning is a responsible but entertaining process. Before conducting it, it is recommended to study useful photos- materials, diagrams and drawings, watch a video - an overview, scroll through the instructions.
As a result, we carry out modernization with our own hands, which will certainly come in handy.

All VAZ 2109 cars were equipped with domestic Solex carburetors. Regardless of the modification of the carburetor, the principle of its adjustment is the same. Therefore, the recommendations for setting up the VAZ 2109 carburetor, set out in this article, are also suitable for owners different brands cars on which these carburetors are installed. Here we will not consider the repair of the Solex carburetor, but will only touch on those adjustments that the most ordinary car enthusiast can make on his own.

It is best to start adjusting the carburetor with the float chamber. Here we can check and adjust the fuel level. To do this, you must complete the following procedures:

1. Start the engine and let it run for 2-3 minutes, then turn it off.
2. Remove the air filter from the carburetor.
3. Disconnect the fuel supply hose.
4. Having unscrewed 5 bolts carefully, strictly vertically, so as not to damage the floats, remove the carburetor cover and turn it over, put it on a flat surface.
5. Using the shank of a vernier caliper, measure the distance from the edge of the body of the float chambers to the fuel level in them. This distance should be 25.5 mm. If it is different, it is necessary to bring it back to normal by bending the tongue of the float bracket. (Most likely, you will have to repeat the above procedures several times in order to achieve the desired result).
6. Additionally, with the cover removed and inverted, check the parallelism of the edges of the floats of the cover mating surface. The adjustment is made by acting on the brackets of the floats.

The next step in setting up the VAZ 2109 carburetor will be adjusting the starting device. The starting device is set up on the carburetor removed from the car. Before carrying out this operation, it is necessary to check the diaphragm of the starting device. To do this, unscrew the 4 screws and remove the device cover. A damaged diaphragm must be replaced. Next, start adjusting. To do this, you must perform the following procedures:

1. Turn the choke drive lever to close it.
2. Use a screwdriver to sink the trigger rod.
3. Measure the gaps between the slightly opened flap and the chamber wall. Check with the calibration data for the specific carburetor model. In case of discrepancy, we begin the adjustment.
4. Loosen the lock nut located on the accelerator pump housing and turn the adjusting screw with a screwdriver. When unscrewing, the gap increases, in the opposite direction it decreases.
5. Next, the gap of the throttle valve of the first chamber is measured. The air damper must be closed. The starting clearance must correspond to the data specified in the calibration table. For example, for a carburetor model 2108, it is 1 mm, and for 21083 - 1.1 mm. If not, the adjustment is made by turning the throttle adjusting screw.

The last step in tuning the VAZ 2109 carburetor is idle adjustment. We perform this operation with the installed carburetor, air filter and a well-warmed engine. This procedure is best obtained with a tachometer and a gas analyzer. But if there is no gas analyzer, we carry out the setting according to the following scheme:

1. With the engine off, turn the mixture quality screw all the way, and then turn it off by 3 - 4 turns (if there is a plastic plug, it will need to be removed);
2. We start the engine, remove the suction, turn on high beam headlights and fan;
3. Using the screw of the amount of the mixture, we display the value of the engine speed to 750 - 800 per minute;
4. We set the maximum speed with the quality screw;
5. Next, set the number screw to 900 rpm;
6. Using the quality screw, we bring the speed to 800 rpm;
7. We continue to tighten the quality screw until the engine speed becomes unstable, and then unscrew it by 0.5 - 1 revolution;
8. Now we set the required revolutions with the number screw: summer - 800 - 900, winter - 900 - 1000 rpm.

The main task when adjusting the idle speed is to achieve stable engine operation within the recommended rpm with a minimum level of enrichment of the combustible mixture.

After completing all of the above procedures, the VAZ 2109 carburetor will be set up. Its quality can be assessed during the operation of the car under various modes and by the amount of fuel consumed. If any indicators confuse you, contact the car service.

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So I'll tell you how the carburetor is properly configured. I set it up for myself.

We remove the carburetor from the car and drag it to where we will clean it) I did it at home) We buy a gasket in the carburetor and a new spray in advance.

First, we unscrew the idle valve and spray it into the hole with liquid to clean the carburetors, then we blow it (I blew it with a pump). we repeat the steps several times.

Half the carburetor by unscrewing 5 screws. We put a new gasket halfway with the floats and, bending the antennae, set the level of the floats. From the spacer to the bottom of the float should be 5-6 mm.

Next, take a spray bottle and fold the second spout into the first chamber. I folded it with pasatizha, neatly. Pour gasoline into the chamber and by pressing on the throttle drive, we see that both spouts sprinkle exactly into the hole. NOT on the damper, NOT on the wall, but exactly into the hole!

Next, we clean the jets, all membranes, and so on) Wipe the outside as desired)
After assembling the carburetor), once again blow through all the channels with air. We tighten the idle valve by hand. And we carry to put on the car.

We put everything on.

We adjust the idle speed. (6 points taken from the internet)
1 - The quality screw is pre-installed in the position - 5-6 turns turned out of the extreme wrapped state.
2 - The speed screw is unscrewed until the vacuum disappears in the vacuum tube going to the ignition distributor (distributor).
If, with this position of the adjusting screws, the warmed-up engine "keeps" idle speed in the range from 500 to 1500 rpm, then this means that with the carburetor, or rather with its idle system, engine and ignition system, "in general" the order and you can continue to adjust.
3 - If the engine speed is more than 800 rpm, then we reduce it to 800 by unscrewing the “quantity” screw. If the engine rpm is less than 800, then we do not touch the “quantity” screw yet. (The rpm will most likely rise when adjusting the “quality”)
4 - We begin to tighten the "quality" screw, achieving uniform, stable engine operation, then we tighten the screw even deeper, until precarious work and again we return to the zone of stable operation of the motor. The main task is to set the adjusting screw in the "zone" of stable engine operation, with the maximum possible "leaning" of the mixture (the deeper the screw is screwed in, the poorer the mixture, the lower the CO content).
5 - We set the "desired" idle speed using the "quantity" screw, not forgetting about the vacuum in the vacuum tube. (The "necessary" idle speed is 800 - 900 rpm for the summer season and 900 - 1000 rpm for the winter, for beginners and "racers".)
6 - For a more accurate adjustment of the actions of points 4 and 5, repeat again.

If the revolutions float up to the end, then slowly unscrew the idle valve. The turnover should rise. Lower them to 900 using the number screw. And the voyage will stop.

That's it) setup and cleaning is complete. In my case, the idle speed is kept perfectly. Perceptible acceleration, without jerking. The revs rise and fall smoothly.
Photographed on the phone, so the quality is not very good.
If it is not clear, then ask, I will answer all questions)

How to adjust the carburetor on a VAZ 2109

Adjusting the carburetor is a fairly widespread procedure for VAZ 2109 cars. You should pay attention to the characteristic signs that this unit needs adjustment.

Of the main features, we note:

• The engine stalls while driving;
• Fuel consumption increases without objective reasons;
• The motor does not develop its full power;
• The power unit cannot be started, etc.

A competently performed carburetor adjustment on a VAZ 2109 will allow you to avoid more complex and expensive repairs. Therefore, this is the primary procedure that you should follow.

No spark

The climate of our region, as well as the imperfection of the technical part of the VAZ 2109, lead to the fact that the spark disappears. Because of this, the engine cannot start.

There may be several reasons for this:

• The functionality of the switch is broken;
• The ignition coil is broken;
• Hall sensor does not work correctly;
• The contacts are oxidized or contaminated;
• Have high voltage wire There has been a breakdown;
• The ignition lock does not work, it needs repair;
• Carbon deposits have formed on the candles;
• The ignition timing on the carburetor is incorrectly set.

Fills the candles

If you notice that the carburetor is pouring over the VAZ 2109, the point is in the gulf of candles. This happens most often in winter. Suffers from such ailment as carburetor and injection engine.

Type of a lit candle

The reasons are as follows:

• To create a working mixture in winter, more effort is required, from which it floods the candles;
• This phenomenon is not possible on new cars;
• The power unit is worn out;
• The spark plugs or spark plug wires were found to be of poor quality.

Floating revolutions

Some of the most frequent malfunctions the carburetor on the VAZ 2109 is floating speed. Similar problems appear on a car that has covered a fairly impressive mileage.

It is not difficult to determine the fact that the idle speed on the VAZ 2109 is floating. To do this, turn on idle and start different mechanisms one by one. If the speed starts to float, you need to quickly solve this problem.

There are three reasons for floating idle:

• The jet is clogged. By the way, experts recommend paying attention to this in the first place;
• The power supply to the solenoid valve has burned out;
• There is no power to the solenoid valve.

If problems with the carburetor are eventually discovered, adjustments and adjustments can be done on your own with the help of a friend.

To prevent the carburetor from creating problems for you, try to use high-quality fuel, lubricate quality screws, and check the air damper cable for serviceability. The latter, by the way, requires periodic replacement.

Preparation for tuning the carburetor VAZ 2109

To figure out how to adjust the carburetor on your VAZ 2109, you should start with the preparatory measures. They include:

• Preparation of the room for regulation, where there is constant access to fresh air;
• The machine must always stand horizontally and as level as possible;
• Do not use ordinary rags during work, as fluff will come out of them, which can harm the car;
• You should always have a flat-blade screwdriver on hand;
• Prepare cleaning agents or gasoline. Compressed air cleans the system best.

Cleaning the carburetor

It is impossible to adjust the carburetor on a VAZ 2109 with your own hands before you clean it.

For this, ordinary gasoline or compressed air, detergents and cleaning agents are suitable. Adjust the pre-ignition. If it is early or late, then tuning the carburetor will give absolutely nothing.

Step adjustment

You can do the adjustment yourself, but for this you should adhere to a clear sequence of your actions.

Step 1. Adjusting the throttle

1. Check the cable tension level. It may be too tight or too loose.
2. Use a 13 key to adjust the tension.
3. Check the work. By depressing the pedal all the way, the damper should open completely, and after releasing the pedal, it should be completely closed.
4. Use the same 13 key to adjust the position of the lock nut for the ideal result.

Step 2. Adjusting the air flap

Air damper

1. Remove the cover from the filter, replace it if necessary.
2. Check if it works. Sink the choke handle completely, and then the damper should be completely open and located under the torpedo.
3. Pull the throttle lever to open it fully.
4. Press in the lever until it stops.
5. Remove the wire from the insulation and press in the traction adjustment bolt.
6. Check the functionality of the damper again.
7. When the desired result is achieved, fix the bolt on the lever and close the air filter cover.

Step 3. Starting device

Adjustments are made with or without removing the carburetor. If you cannot remove it, then use a tachometer. The air filter housing is removed, the choke lever is removed. Start the engine and watch what happens.

Step 4. Adjusting idle speed

1. Fully charge the battery.
2. Warm up the engine to reach its operating temperature.
3. Turn on your headlights, audio system, and other equipment that uses electricity. You want to maximize the use of the battery charge.
4. Make maximum idle speed.
5. By turning the quality screw, reduce the speed by about 50-150.

Video

Do not forget that constant adjustment of the carburetor, its competent cleaning and tuning will significantly extend the service life of the device, avoid complex and expensive repairs. Plus, it has a positive effect on fuel consumption, which is reduced as a result of such procedures.

Now you know what to do in case of a carburetor malfunction on your VAZ 2109, failures during acceleration, incontinence idle speed and other troubles.

Of course, if the problem turned out to be serious and the carburetor needs repair, then it is better to entrust it to professionals. It is not recommended to take on such a thing on your own.

Carburetor VAZ 2109

Carburetor VAZ 2109

Carburetor VAZ 2109 scheme

Carburetor heating block;

Throttle valve of the first chamber;

Branch pipe for suction of crankcase gases;

Accelerator pump drive lever;

Accelerating pump drive cam;

Accelerating pump diaphragm;

Fuel jet of the econostat of power modes;

Econostat diaphragm of power modes;

Shut-off solenoid valve;

Idling fuel jet;

The main air jet of the first chamber;

Accelerating pump sprayers with fuel supply valve;

The diaphragm of the starting device;

Trigger adjusting screw;

Idling mixture amount adjusting screw;

Second chamber lock lever;

A branch pipe for supplying a vacuum to the vacuum regulator of the ignition distributor;

Idling mixture quality adjusting screw;

Throttle control sector;

Throttle valve drive lever;

Adjusting screw for opening the throttle valve of the first chamber;

Choke control lever;

Starter rod;

Electric wire of the limit switch of the forced idle econostat;

Choke lever;

The main air jet of the second chamber;

Sprayer of the main dosing system of the second chamber;

Fuel supply pipe;

Fuel drain pipe to the tank (return line);

Throttle valve of the second chamber;

Second chamber throttle lever;

The main fuel jet of the second chamber;

Second chamber throttle actuator;

How to independently adjust the carburetor on a VAZ 2109?

Often, the owners of the nine ask a rather important question - how to adjust the carburetor on the VAZ 2109? This procedure is necessary to restore the normal operation of the engine of the machine, therefore it is recommended to carry it out independently, since in the service station it is a paid service. The carburetor is not that difficult to set up.

Features of the carburetor in the VAZ 2109

The VAZ 2109 Solex carburetor is one of the most reliable components of the car. Due to the design features, the nine is a fairly economical model in terms of fuel consumption. In addition, the carburetor is one of the reasons for the acceptable speed characteristics of the VAZ 2109, taking into account the economical consumption of gasoline. Various modifications Solexa are also used for VAZ 21093.

Solex has a pretty good supply of a working resource - up to ten years, so it is extremely rare to change it, but he still needs care. From time to time, it is worth cleaning the body from fuel combustion products and adjusting mechanisms that occasionally fail. If you follow all these simple rules, then the nine will be on the move in any weather.

Among the main problems of the carburetor, the most common are:

1. Poorly closing throttle valve. For this reason, the combustible mixture is poorly or, on the contrary, excessively enriched with air.
2. Incorrect amount of fuel in the chambers, which increases the consumption of gasoline.
3. Clogged jets.

The first signs to check your carburetor are:

1. Unstable engine operation.
2. Increased fuel consumption.
3. Significant reduction in revs.
4. Ignition problems appear.

As soon as one of the problems has been noticed, it is worth adjusting the carburetor.

Preliminary work

Although our primary task is to adjust the VAZ 2109 carburetor, it is necessary to start cleaning the unit from carbon deposits and dirt. Plaque is often the cause of the malfunction, so you need a good cleaning agent. In an auto store, you can find various chemicals for such needs; you need to ask specifically for the carburetor. Not suitable for cleaning WD 40 - due to the abundance of oil in the composition.

In addition to chemistry, the following items will also come in handy:

1. Small stiff brush. In extreme cases, a toothpick or even toothpicks are also suitable.
2. Rubber and fabric gloves. You can take two pairs of rubber ones - just in case, because the cleaning agents are very aggressive.
3. A set of wrenches and screwdrivers.
4. User manual for VAZ 2109 with Solex circuit.
5. Compressed air canister for blowing out parts.

What is the spray can for? The fact is that the channels of the nozzles are very narrow, which is why mechanical cleaning with narrow tools will be useless, but a powerful directed air stream is suitable for such a task.

Both the outside and the inside of the carburetor must be carefully cleaned. Fasteners - screws and bolts, put them in separate boxes, they should also be processed and blown out at the end.

Do not forget to remove all rubber parts from the assembly, otherwise the chemical will simply dissolve them. The same should be done with plastic.
Only metal parts should be treated with a cleaner. This is done in two stages:

1. The chemical is applied, after which it is necessary to wait 10 minutes.
2. When the plaque has partially dissolved, you need to rinse the parts and housings under running water.

If any deposits remain, they can be easily removed with a toothpick, stick or brush. The last stage of cleaning is drying.

Setting sequence

1. Carburetor throttle cable. Check the device cable for tightness and alignment. If it does not sag and the damper does not jam during operation, everything is in order.
2. If you need to loosen or tighten the cable, arm yourself with a 13 key and tighten the fastening nut.
3. The next element in line is the damper itself. It is necessary to remove the air filter to see the position of the valve in the extreme position of the choke lever.
4. Check the float chamber, change the position of the float if you want to change the amount of gasoline.
5. Next, check the idle speed and the fuel supply system.

With the appearance of "nines" on the conveyor, the newest, more economical samples of Solex carburetors appeared. It was installed on all types of engines and modifications of VAZ 2109 cars, therefore its setting is the same on the VAZ 2108 and 21099 models.

When I first looked at the carburetor, I was horrified. What kind of mechanism is this? How does he work? And how to repair it in the event of a breakdown? To be honest, I still disassemble the carburetor at the remove-blow level and that's it. But if you nevertheless decide to figure out what's here and what, then this article is for you.

Carburetor VAZ 2109 Solex comprises:

Carburetor VAZ 2109 scheme

Carburetor heating block;

Throttle valve of the first chamber;

Branch pipe for suction of crankcase gases;

Accelerator pump drive lever;

Accelerating pump drive cam;

Accelerating pump diaphragm;

Fuel jet of the econostat of power modes;

Pump housing;

Econostat diaphragm of power modes;

Shut-off solenoid valve;

Idling fuel jet;

Carburetor cover;

The main air jet of the first chamber;

Air damper;

Accelerating pump sprayers with fuel supply valve;

The diaphragm of the starting device;

Trigger adjusting screw;

Idling mixture amount adjusting screw;

Second chamber lock lever;

A branch pipe for supplying a vacuum to the vacuum regulator of the ignition distributor;

Idling mixture quality adjusting screw;

Throttle control sector;

Throttle valve drive lever;

Adjusting screw for opening the throttle valve of the first chamber;

Choke control lever;

Starter rod;

Electric wire of the limit switch of the forced idle econostat;

Choke lever;

The main air jet of the second chamber;

Emulsion tube;

Sprayer of the main dosing system of the second chamber;

Fuel supply pipe;

Fuel drain pipe to the tank (return line);

Fuel filter;

Needle valve (Needle);

Throttle valve of the second chamber;

Second chamber throttle lever;

The main fuel jet of the second chamber;

Second chamber throttle actuator;

Float with fastening.

Setting up the carburetor VAZ 2109.

Carburetor tuning usually starts with adjusting float position.

Procedure:

1. Start the engine and let it idle for about 3 minutes.
2. Open the hood and remove the air filter
3. Disconnect the hose for supplying fuel to the carburetor
4. Unscrew all the bolts that secure the top of the carburetor and carefully remove it.
5. Now take a vernier caliper and measure the height of the fuel level in the float chamber. It should be approximately 25.5 mm. If the level is not in the normalized mark, then you need to adjust the metal float by acting on the tongue of a special bracket.
6. Assemble all units in reverse order and repeat the technological operation until the level returns to normal.

The setup is now in progress starting device. All actions are performed with the carburetor removed.

Procedure:

1. Close the air supply flap by turning the special lever
2. Using a screwdriver, it is necessary to sink the rod of the launcher
3. Now measure the gap that appeared between the chamber wall and the opened damper, compare it with the tabular data of your carburetor model and, if necessary, adjust it. To do this, loosen the special nut located on the accelerating pump and use a screwdriver to unscrew or tighten the adjusting screw. When unscrewing it, the gap increases, and when tightening it, it should decrease.
4. Now take measurements of the gap formed by the flap of the first chamber (always with a closed air chamber). Measurements must correspond to tabular data. If the measurement results do not correspond to the standards, then the adjustment is made by rotating the throttle position adjustment screw.

Last but not least, it is configured idling. You will need a tachometer when setting up.

Procedure:

1. To the full stop on the carburetor, it is necessary to tighten the screw responsible for the quality of the mixture. Then unscrew 3.5 turns, start the engine and turn on the fan and high beam. Attention! The suction must be removed and the engine warmed up to rated values!
2. Using the screw, which is designed to adjust the amount of the mixture, set the speed value to 750-800 rpm.
3. Using the screw for setting the quality of the supplied mixture, set the highest possible number of revolutions.
4. Now it is necessary to create 900 rpm with a screw of quantity.
5. At the same time, we tighten the quality screw until the speed drops to 800 rpm /. Then tighten until the motor shows signs of unstable operation, and unscrew the screw half a turn.