DIY stove radiator repair vaz 2107

In detail: do-it-yourself repair of the radiator of the VAZ 2107 stove from a real master for the site my.housecope.com.

The heating system, which uses the heat of the coolant, is responsible for heating the interior of the VAZ 2107. This scheme, recognized as optimal for cars with internal combustion engines, has been used in cars since the middle of the 20th century.

Like any car unit, the VAZ 2107 stove may stop working. In winter, such a breakdown makes the operation of the car impossible: the windows sweat or become covered with frost, which worsens the view. For effective repairs, it is necessary to know the design of the interior heating system well.

The system includes the following components:

Heater VAZ 2107, whose task is to heat the air. The main element of the heater is a radiator through which coolant circulates.
A fan that directs heated air into the passenger compartment. It is mounted in the casing by means of elastic cushions that dampen vibration.
Heater control system, including a fan button, handles and dampers of the heating control system.

The heating system works like this:

Through the grilles on the hood, air enters the air intake box located in the engine compartment near the windshield.

In the event of rain or heavy rain, the water separates from the air and flows into the holes in the box. This allows you to use the stove in any weather, but until the radiator heats up, the air entering the cabin during rain will be damp.

The air flow is directed to the heater VAZ 2107 and heated, passing through the radiator. The heating is controlled by a tap that regulates the amount of coolant passing through. The crane is controlled by a flexible rod attached to the control lever.

Video (click to play).

During the movement, the air flow enters the engine compartment and the air independently enters the heater. During a stop or at low speed, an electric fan is used, controlled by a switch that has three positions: "off", "full speed" and "low speed". Reduced speed is provided by turning on the motor through a resistor that reduces the voltage on the motor winding.

After the radiator, the air enters the air ducts and exits through the deflectors, allowing you to change the direction of the flow. Warm air can be directed to the windshield and side windows, under the feet of the driver and front passenger.

Air flow control elements from the VAZ 2107 stove:

Air distribution fan cover that regulates the air flow.
Levers and handles that change the position of the air inlet covers and dampers that regulate the airflow.

Before repairing the VAZ 2107 stove, it is necessary to understand the causes of the malfunction.

If the VAZ 2107 stove does not heat up and when the heater is on, the air leaving the deflectors remains cold, the reasons may be as follows:

Another type of breakdown is an antifreeze leak. This is manifested in the appearance of condensation on the windows or the leakage of antifreeze into the passenger compartment under the feet of the passenger and driver. The reasons here are:

Antifreeze leaks through the heater valve. In this case, it can be replaced without removing the radiator.
Leak occurs through a burst pipe. The solution is to replace the pipe with a new one.
The heater core leaked. In this case, the repair of the VAZ 2107 stove consists in soldering or replacing the radiator.

If antifreeze leaks when the heater breaks down, repairs must be done immediately - ethylene glycol contained in antifreeze is toxic and inhalation of its vapors causes serious harm to the body.

To perform the work, you need a Phillips screwdriver and a set of keys (open-end and socket).

loosen the heater hose clamps located in the engine compartment;
remove the hoses from the pipes of the heater radiator (in this case, a small leak of antifreeze is possible);
unscrew the screws fixing the rubber seal;
dismantle the seal;
unscrew the radio panel;
disconnect the cable from the tap of the VAZ 2107 stove;
using a screwdriver, dismantle the brackets on the fan casing;
lower the cover down;
remove the heater core.

Often, repairing a VAZ 2107 stove consists in replacing or repairing a heater radiator. Repair steps depend on the type and cause of the fault:

A clogged radiator can be flushed with water pressure. Scale on the walls of the honeycombs can be removed using a special tool that dissolves it.

A leak in a copper (brass) radiator can be sealed. Using a powerful soldering iron and solder, you can repair a hole or crack. Leaking aluminum radiators must be replaced.

Important: to eliminate leaks in the stove radiator or engine cooling system, you should not use products added to antifreeze - they can cause clogging of the VAZ 2107 radiator cells.

Repair of the VAZ 2107 stove completes the assembly of the heater. Assemble it in the reverse order of disassembly. The work has a number of features:

rubber gaskets must be replaced with new ones and lubricated with silicone sealant;
before assembling the heater, it is necessary to attach pipes and a tap to the radiator;
do not overtighten the nuts so as not to crush the gaskets;
before putting on rubber hoses, the outer surface of the metal radiator pipes must be treated with a sealant;
after the VAZ 2107 heater is assembled and connected, you must not forget to add antifreeze to the system and check its tightness.

Important: the repair of the VAZ 2107 stove must be carried out in conjunction with a check of the serviceability of the components of the engine cooling system. This approach allows you to accurately determine the cause of the breakdown and reliably eliminate it.

You can improve the VAZ 2107 heater by installing an additional fan to increase the air flow to the windows. Another common type of tuning the VAZ 2107 stove is replacing the fan mode switch with a button.

In each car, an integral part of the equipment is a stove, without which heating of the passenger compartment and comfortable driving are impossible. Sometimes there are problems with the VAZ 2107 heater, as a result of which it is necessary to repair or replace certain elements.A lot of malfunctions with a car occur with the advent of cold weather, and this especially applies to cars of the domestic auto industry. One of the main problems is the inefficient operation of the heating system, as a result of which the windshield and side windows are poorly heated. Owners of the VAZ 2107 quite often encounter a situation where the interior of the car simply does not warm up in winter. There is no need to talk about any comfort for passengers and the driver in this case. To understand what the reasons are and eliminate a possible malfunction, you first need to understand the design of the "seven" heater.The main elements of the VAZ 2107 stove are:

radiator;

tap;

fan;

control cables;

air ducts.

Details of the heater and body ventilation VAZ 2107: 1 - air distribution cover lever; 2 — an arm of control levers; 3 - handles of the heater control levers; 4 - air duct for heating the side glass; 5 - flexible rods; 6 - heating air duct

As the vehicle is used, certain malfunctions may occur with the stove, which reduce the efficiency of the unit or make it completely impossible to work. There are not so many signs of the main problems and they boil down to the following:

As for the service life of the stove, it is inappropriate to give any figures. It all depends on the quality of the parts, the coolant used, as well as the frequency of operation of the car.

If the heat exchanger is leaking, then it will not be difficult to detect it. Coolant in the form of a puddle will be under the feet of the driver or passengers. However, do not rush to conclusions and buy a new radiator to replace. A leak can be associated not only with it, but also with leaky pipes or a faucet.To do this, you need to get close to these elements and carefully examine them with good lighting. After making sure that the problem is not in them, only the radiator remains. By the way, sometimes when a leak occurs, when the stove fan is running, the windshield fogs up and a characteristic smell of antifreeze appears. Having found out that the reason lies in the heat exchanger, it will need to be removed, and then repaired or replaced with a new one.

If the engine is warm, the stove tap is open, but cold air comes out of the heating system, then most likely the radiator is clogged or there is a low level of antifreeze in the cooling system. To check the coolant level (coolant), just look at the level in the expansion tank or unscrew the plug of the main radiator with the engine turned off. If there are no problems with the level, then you need to deal with the heat exchanger, you may have to flush it or the entire cooling system. To avoid possible blockage of the heater core, do not add various additives that eliminate small leaks. Such products can easily clog the tubes of the stove.

Cold air flow from the heating system can also be caused by airing the system. In this case, you will need to remove the air plug and add coolant.

Airing - the appearance of an air lock in the cooling system during repair work or when replacing the coolant.

The heater faucet can fail over time as a result of scale formation.

In addition, the problem is possible with the tap itself, which over time can become clogged or scale can form if water is used instead of antifreeze. In case of problems with the crane, the part is disassembled and cleaned or simply changed. Another, albeit rare, but possible cause of a cold stove, may be the failure of the pump. In this case, the engine warms up, but the pipes leading to the heater radiator remain cold. In this case, the water pump must be repaired immediately. Warm air may also not enter the cabin due to problems with the stove fan. The problem can be both with the motor itself and its power circuit, for example, when a fuse blows.

Having found out that the heater needs repair, it will require its complete or partial dismantling. If the problem is with the motor, then it is enough to remove the lower part of the assembly. In case of problems with the radiator, you must first drain the coolant from the engine cooling system. To carry out repairs, you will need the following tools:

Phillips and flat screwdrivers;
a set of open-end and socket wrenches.

To replace the stove, you will need a set of keys and screwdrivers

After the coolant drains and the necessary tool is prepared, you can proceed with disassembly. It is carried out in the following order:

In most cases, complete dismantling of the heater is not necessary. Change, as a rule, a radiator, a crane or a motor.If only the radiator is being replaced, it will not be superfluous to inspect the electric motor and lubricate it.Assembling the heater does not cause any difficulties, since all actions are performed in the reverse order of disassembly. However, there are some points to consider. When replacing the radiator, new rubber seals must be installed without fail. They are pre-lubricated with silicone sealant. The nuts should be tightened without applying much force so as not to squeeze out the seals, thereby violating the tightness. Image - Do-it-yourself vaz 2107 stove radiator repair

When installing a new radiator, it is recommended to replace the rubber seals

When the heat exchanger is installed in place and the stove is fully assembled, the edges of the inlet and outlet pipes are lubricated with sealant. If the nozzles are in a normal condition, that is, the rubber has not cracked, leave them after wiping the inner cavity with a clean rag. Then put on the hoses and tighten the clamps. After assembly, it remains to fill in the coolant and check the tightness of the connections.

During operation of the car after repair, you should also observe the joints for leaks.

If there are problems with the "seven" stove, you can fix them yourself, due to the simplicity of the assembly design. To remove and replace the heater, you will need to prepare a set of tools and follow the step-by-step instructions.

There are many malfunctions of the VAZ 2107 car that cannot be detected immediately. As a rule, they do not directly affect the operation of the main units, and are detected after some time. Such malfunctions include a malfunction of the heater radiator. It can be expressed in the formation of a coolant leak from the radiator, clogging of the internal channels, preventing its normal circulation through the stove radiator. All cars are subject to such problems, with any type of engine, whether it be an injector or a carburetor.

Any of the indicated malfunctions of the VAZ 2107 cooling system requires the removal of the radiator, after which it is repaired or replaced with a new one. The replacement itself is not too complicated, but requires some care and accuracy. To do the job, you will need the following tools:

Key for 10;
Key on 7;
Crosshead screwdriver;
Rags.

In addition, you need to stock up on coolant for topping up after replacement and two new rubber gaskets.

First of all, you need to remove the fan housing. To do this, it is necessary to remove the shelf and the bottom of the glove box, the radio panel, disconnect the wiring connectors. After that, access opens directly to the heater fan housing. Removing it will give you access to the heater core. It is recommended to lay a rag on the floor, as replacement may cause fluid to leak from the cooling system.

We pass into the engine compartment of the VAZ 2107. It is necessary to remove the rubber pipes from the outlet tube and the heater tap tube. To do this, using a Phillips screwdriver, release the clamps that tighten the pipes.

Then, with a 7 key, we wrap two self-tapping screws and remove the sealing diaphragm through which the stove tubes are brought out.

We return to the VAZ 2107 salon and unscrew the casing of the heater tap control cable, remove the loop from the lever. Nothing else holds the radiator, and carefully removing the tubes from the partition between the passenger compartment and the engine compartment, you can carefully remove it.

Next, using a 10 wrench, we sequentially unscrew the four bolts holding the outlet pipe and the heater valve.

If possible, repair or flush the radiator, otherwise buy a new one. Take this opportunity to check the condition of the heater valve, if necessary, replace it. Assembly and installation takes place in the reverse order:

Screw the faucet and the outlet pipe onto the radiator in succession using a 10 key. In this case, the old rubber gaskets are replaced with new ones. Do not forget to change them, because old gaskets can cause leaks in the future.

Carefully install the radiator in its original place by inserting the tubes into the baffle.
Put the diaphragm on the tubes and secure it with two self-tapping screws using a 7 key.
It is necessary to put on the rubber pipes of the cooling system on the pipes and tighten the worm clamps. If the old clamps do not provide high-quality fixation of the nozzles, they also need to be changed.
It remains to fix the heater tap control cable in place and adjust it so that the control lever fully opens and closes the tap.

All operations related directly to the replacement of the VAZ 2107 heater radiator and the restoration of the cooling system performance have been completed. However, before proceeding with the final assembly, it is recommended to check all connections and the stove itself for coolant leaks. To do this, open the heater valve and start the engine. Thus, we will ensure the circulation of fluid through the stove radiator and at the same time remove air plugs. Now you can add the missing volume of liquid to the cooling system and you can proceed to the final assembly.

It remains to sequentially install the stove fan housing, the radio panel, the glove box housing and the shelf in their places. Do not forget to connect the electrical wiring pads, otherwise you will have to disassemble and reassemble everything. As you can see, replacing the radiator of the VAZ 2107 stove does not cause any difficulties.

A malfunction in the heating system of a domestic car is a fairly common occurrence. And if in the summer you can ignore this, then problems with the stove in the winter bring a lot of trouble.

Sometimes the cause of a malfunction can be minor breakdowns that are fixed very quickly. However, serious malfunctions in the operation of the stove often occur, which cannot be fixed without dismantling it. Consider in this article how to change the VAZ-2107 stove on your own without the help of specialists.

The work of replacing the stove with a VAZ-2107 does not differ in significant difficulties in execution. Despite this, you will have to disassemble a significant part of the car's torpedo. Therefore, before starting work, it is necessary to find out whether it is really necessary to replace or dismantle the heater.

The main indicator for dismantling the heating element is fluid leakage. It is not difficult to determine such a breakdown - in the event of an antifreeze leak, a puddle appears under the front passenger seat mat. Then the radiator needs to be replaced urgently, since when the coolant evaporates, it releases toxic gases that can cause significant harm to human health. The radiator can only be replaced after the vehicle heater has been dismantled.

The next indicator for removing the heating element is the supply of cold air to the interior of the car. If the radiator tap is open, but the stove does not heat, then it must be removed and the cause of the breakdown should be looked for. Most often in this case, the problem is in the faucet, clogged pipes or radiator. Only after dismantling the stove can the malfunction be determined and eliminated. There are times when the stove cannot be repaired, then you have to buy a new product.

Let us consider in detail how to remove the stove so as not to damage the plastic parts of the body, fasteners and parts of the heating system. The work of dismantling the product requires care and accuracy from the performer.

To get started, stock up on all the necessary tools. To remove the heater, you will need a Phillips screwdriver, keys for 7 and 10, a container for draining antifreeze, unnecessary pieces of cloth or rags. The fact is that when dismantling the stove, you will have to unscrew the radiator pipes, from which antifreeze will flow. To prevent toxic liquid from getting on the mats, it is necessary to cover the bottom of the car well. And also to install a repaired stove, you will need rubber gaskets and antifreeze for topping up.

When you have all the necessary parts available, you can proceed directly to the removal of the VAZ-2107 heater.

To begin with, we proceed to dismantle the body of the stove in the passenger compartment of the car. Initially, the radio panel is removed, which is fastened with screws, the glove box is dismantled, the fan is unscrewed.

Now let's move on to the engine compartment. First, all the clamps are removed, with the help of which the pipes and hoses of the heater tap are attached. The hoses are dismantled very carefully so as not to hurt your hands on the manifold. Further, with the help of a seven-head, the fasteners of the stove seal to the car body are unscrewed, and the sealing element is removed from the nozzles. Further work on disassembling the stove is carried out in the cabin of the car. To get to the radiator, it is necessary to remove the casing of the crane adjustment cable and throw off the loop from the lever.

The radiator does not hold anything anymore, it must be removed and disassembled. Initially, with a 10 key, two fixing bolts are unscrewed, the radiator pipe and the faucet are removed. There are rubber seals between the branch pipe and the radiator, which must be replaced when assembling the heater.

As a result of the manipulations, there is a completely disassembled VAZ-2107 stove. Further actions depend on the purpose for which the product was dismantled.

Before proceeding with the assembly of the product, a visual inspection of the parts of the heating system is carried out. Most often, the cause of a stove malfunction is deposits in the heater tap, due to which coolant does not enter the radiator. The breakdown is eliminated by replacing the crane with a new product.

The problem with heating can also be in a clogged radiator and pipes. In this case, flushing the radiator will be required. To do this, you need a special liquid or a solution of citric acid. It is necessary to take three hundred grams of acid per five liters of water and rinse the product with a compressor. If the actions taken did not give the desired result, namely a good throughput of the tubes, then it is necessary to purchase a new product.

Sometimes, when removing the heating element, obvious damage is visible on it or the pipes. In this case, you will also have to buy a new product. Some craftsmen repair holes by soldering damaged elements, however, such repairs will not give durable results.

For high-quality interior heating, you need to purchase a new radiator. On sale there are two types of stoves on the VAZ-2107. From the factory, the car is equipped with a copper radiator, which has a high heat dissipation, but at the same time has a low service life. Aluminum heaters are considered more reliable, however, their level of heat transfer is much lower. It is up to you to decide which part to purchase, as in this case you have to choose between comfort and practicality. After troubleshooting the heating system or purchasing a new radiator, you can proceed directly to assembling the stove.

Assembly and installation of heating elements on the car is carried out in the reverse order. First you need to assemble the radiator. To do this, the pipes and the heater tap are screwed to it. At the same time, it is important to install new sealing rubber bands in order to avoid repeated leakage of the heating system.

The radiator is installed on the seat, while the tubes are brought out through the holes into the engine compartment. A regular seal is installed from the side of the motor and fixed with bolts. Pipes are put on pipes and fixed with clamps.

From the cabin side, the heater tap adjustment cable is fixed and adjusted so that the lever fully opens and closes the tap. Before proceeding with the complete assembly of the torpedo, it is necessary to check the connecting elements of the system for fluid leakage. To do this, open the radiator valve, and start the engine. Then you can add antifreeze to the system and assemble the stove body, radio, install the glove compartment. Be sure to connect the wiring so that you do not have to disassemble the heater again.

Even a novice driver will cope with the replacement of the stove on the seven on their own, the main thing is the desire to work for a positive result. Carry out regular preventive diagnostics of the car's heating system at least once a year, before the onset of cold weather. This will provide you with comfort in the car at any time of the year.

The best prices and conditions for the purchase of new cars

Airing the cooling system when replacing antifreeze or repairing any of the nodes (thermostat, pump, radiator, etc.). In this case, you just need to remove the airlock, add coolant and enjoy the heat that appears.
The heater tap shuts off the mains even in the open position. This is due to clogging or scaling when using water as the coolant. It is necessary to disassemble the faucet, clean it or replace it.
A cold stove may indicate such a serious breakdown as stopping a water pump. If the supply pipes to the heater and cooling radiator remain cold, and the engine has already warmed up to operating temperature, then the pump needs to be repaired.
Clogging of the stove cells is one of the most common problems. It may occur due to the formation of scale or as a result of oil getting into the antifreeze. The stove can be removed and washed thoroughly. After that, she will still serve the car owner.
If both pipes connected to the stove are warm, and the heater is cold, then the rubber baffle in the radiator may have failed.It shifts from the seat, creating a direct path from the inlet pipe to the drain. Then the heating radiator will have to be changed.

Leakage of antifreeze occurs through the stove tap. It can be replaced without touching the radiator.
The reason for the leakage of antifreeze may be a burst pipe. Replacing it also will not cause serious trouble.
The stove radiator could not withstand the pressure in the heating system, and a leak occurred. Only the removal of the radiator will show if it can be repaired or if a new heat exchanger is needed.

In the engine compartment, it is necessary to loosen two clamps that attach the hoses to the stove pipes. When removing the hoses, some antifreeze will leak out.

Here you need to open the screws of the rubber seal and remove it.

The rest of the operations are performed in the cabin. Start from the radio panel. Usually it is attached with two self-tapping screws.

Using a 7 mm wrench or a screwdriver, the cable is disconnected from the stove tap.

There are four brackets on the fan casing, which are dismantled with a screwdriver.

The skin is lowered down and retracted to the pedals. The power wires of the electric motor will not allow the skin to be completely removed.

However, there will be enough free space to carefully remove the radiator from under the panel.

Heating system VAZ 2107

The most common cause of a heating system failure is the radiator.

It may not work for two reasons:

Coolant leakage due to corrosive processes, physical damage or normal wear and tear. The leak of the unit is indicated by a puddle of coolant that appears at the feet of the front passenger or driver.
Obstruction of the internal pipes prevents the free circulation of air through the unit. A sign that the pipes are clogged will be incoming cold or barely warm air. The cause of clogging is the deposition of products of oxidative processes on the tubes or the ingress of various debris and all the same oxidation products.

Scheme of the heat exchanger device

You need to make sure that the heat exchanger is flowing. The cause of the leak may be a branch pipe or a heater valve. You can try to eliminate the leak by soldering if a copper-brass apparatus is installed on the machine. But this does not guarantee that after a while the coolant leak will not resume.

In the case of blockage, you can also try to remedy the situation by flushing the heating system with chemicals. But this is a temporary measure. In both the first and second cases, it is necessary to replace the VAZ 2107 heater radiator.

There is a large selection of heat exchangers in the automotive market, you need to be able to understand them in order to choose the most suitable one in terms of price and quality.You can buy a cheap unit within 500 rubles from an unknown manufacturer, but no one can guarantee that it will last a long time.

New heat exchanger Luzar

There are also expensive options. If funds allow, you can purchase a high-quality copper-brass heater radiator with a guarantee for 3,000 rubles. But alternative options for acquiring high-quality heat exchangers at an affordable price from well-known brands are also possible. You can bring several types of units from well-known manufacturers that are suitable for the VAZ 2107.

The following manufacturers make aluminum units:

domestic - Avtovaz, Pekar, Luzar and others;
foreign: Germany - Oberkraft, Finland - Finord, Hungary - Extra;
SHAAZ and SB OR produce copper radiators.

Buying goods from a well-known manufacturer, you can still run into a fake. Therefore, when buying, you should know what you need to pay attention to (the author of the video is AutoAndElectronics).

When choosing a new unit, you need to consider the following factors:

you should not strive to buy a unit that is too cheap, most likely its quality will be low;
when buying, you should require a certificate from the seller, this will reduce the likelihood of buying counterfeit goods;
you need to pay attention to the cells, in a good radiator they are located close to each other;
it is important to have swirlers - plastic spirals that increase heat transfer during heater operation.

A high-quality radiator will serve for a long time, and the stove will warm up the interior well.

Replacing the heat exchanger consists of two stages: removing the old unit and installing a new unit.

For the procedure, the following tools and materials should be prepared:

cross screwdriver;
a set of keys;
sealant;
a container for draining the working fluid, you can use a 5-liter bottle for water;
new heat exchanger;
clean rag.

In addition, you need to stock up on coolant and two rubber gaskets.

Before removing the stove radiator on the VAZ 2107, you need to drain the antifreeze from the heating system. To do this, it is better to install the machine on a flyover, inspection groove or other device that will allow you to get to the drain plug. To make the glass liquid faster, it is advisable to warm up the engine.

The dismantling procedure consists of the following steps:

To drain the antifreeze, unscrew the cap on the radiator and expansion tank.
Having gone down under the car, you need to substitute the container under the cylinder block and, having unscrewed the drain plug, drain the liquid from the system. When the coolant is completely drained, you can screw the plug back.
In the engine compartment, you need to loosen the clamps holding the pipes of the heating system with a screwdriver. Then we disconnect both hoses and tubes of the stove tap. Wipe up spilled liquid with a rag.
Further work is carried out in the cabin. You need to remove the radio shelf. To do this, two screws are unscrewed.
After dismantling the shelf, the heater valve will be available. Unscrew the cable fastening with a key and remove the free end to the side.
The heater casing consists of two parts, which are fastened with two steel brackets. We unfasten the brackets and remove the lower part of the case.
Now the radiator can be carefully pulled out together with the heater tap.
Then we unscrew the tap of the stove and inspect the gasket. If it is unusable, then we replace it with a new one.
Having unscrewed the two bolts of the inlet pipe, inspect the gasket. You should also check the performance of the crane and replace it if it is faulty.

To avoid leaks in the near future, you should replace the nozzles and gaskets with new products.

Replacing and installing a heating radiator VAZ 2107 is carried out in the reverse order:

After applying the sealant to the gasket, you need to connect the inlet pipe to the tap.
Next, the valve is screwed to the heat exchanger. Between them it is also necessary to install a new rubber gasket. After installing the cable, it must be adjusted so that the valve opens and closes completely using the control lever.
Now we install a new device in a regular place. After installing the gasket, we fasten the unit.
Then we attach the hoses and tighten the fastening clamps.
After checking that the plug on the drain hole is screwed, pour antifreeze into the system. When filling, the heater valve must be open so that the coolant enters the heat exchanger.
Next, we twist the covers on the heat exchanger and expansion tank.

After installing the unit, you need to start the engine and let it run until it reaches operating temperature. With the engine running, check all connections for leaks. You also need to check the coolant level. If it does not meet the norm, add to the required level.

If there are no complaints about the operation of the heating system, we connect the cable to the heater tap, fix the casing with brackets. We install the radio shelf in its original place.

In order for the radiator to serve for a long time, a number of rules must be observed:

When buying, you should not save and buy a low-quality unit. You should pay attention to the material of manufacture and the manufacturer.
Only high-quality liquids should be poured into the system. Do not pour water and mix antifreeze with antifreeze. No grease or fuel must enter the system.
During downtime in the warm season, when the heater is not in use, at least twice a month you need to open the stove tap so that the liquid enters the radiator. Thus, the unit will not dry out and the heater tap will not stick.

If you carefully operate the heating system and fill in high-quality antifreeze or antifreeze, then its components will last for many years.

This video clearly demonstrates how to replace a heating system heat exchanger with a VAZ 2107 (the author of the video is Auto Fix Info).

Replacing the heater VAZ 2107

As a rule, sooner or later, all VAZ owners are faced with the problem of the interior stove. And replacing the heater in the VAZ 2107 is the only right decision to avoid hypothermia in the winter season for the driver and his passengers.
Indeed, replacing the VAZ 2107 heater or upgrading it can greatly enhance its operation, and the air in the cabin will always be warm.

If the heater does not work properly, there is always a kind of hum that does not go away with time. A hum is not a reason to replace the heater completely.
It will be enough just to change the fan and that's it. Of course, you can use the services of companies that carry out work of this level, or you can do everything yourself.
Moreover, this type of work does not differ in any particular complexity. In modern VAZ models, such as "ten" or "15", replacing the fan is more problematic than in older models.
This is explained by a more extensive heating and ventilation system on modern VAZ models. The overall work process for replacing a fan can be divided into three components: dismantling, repair and assembly.
And if everything is done correctly, a complete replacement of the heater with a VAZ 2107 will no longer be needed.

Parsing the stove fan VAZ

We begin the process of disassembling the fan:

we prepare a workplace for the car;
the stove lever, the lowest, is transferred to the extreme right position from the driver;
the instrument panel is dismantled;
the glove compartment and the shelf, which is located below, are removed;
the center console with radio is also dismantled;
with a key of 7, the rod that controls the damper is unscrewed and removed;

Thrust control rod

with a 10 key, the nut is unscrewed, which fixes the casing of the heater radiator;
the nut located behind the glove compartment is also unscrewed (it fixes the right air outlet);
a screwdriver disconnects the air outlet, which is held on the radiator casing of the car's heating system;
the fan casing is also dismantled, and then the fan itself;
the rubber gaskets located on the casing body are removed;
the red wire of the positive charge is disconnected;
a screwdriver removes the retaining ring located on the drive shaft;
the fan impellers are also removed, and then the shaft adjusting rings.

At this stage, the disassembly of the fan can be called complete. To ensure that all work goes smoothly, you should use the right tools.
The screwdriver with which the radiator casing is removed must be with a wide blade, and the keys must have an extension cord if the nuts are too deep.
Heater 2107, the replacement of which will be discussed below, has many parts and connections available that are difficult to mount.

Car fan repair

On the VAZ 2107, the heater fan, the replacement of which is presented below, involves replacing the old part with a new one. After the fan is removed, it should be repaired.
You can use another fan, more powerful, although this is not recommended.. Indeed, in this case, it will be necessary to modernize the entire heating system of the car, otherwise it will quickly become unusable.
The repair itself does not take much time, since the main actions are associated with dismantling and assembly.
Repair involves replacing the old fan with a new one. In some cases, the impeller or heater motor is changed.

On the VAZ 2107, the replacement of the heater fan continues. The next step in working with the fan is its assembly.
Begin:

install the adjusting rings, as well as the fan impeller on the shaft;
retaining rings are also installed;
a positive charge is connected to the system;
after that, the fan is installed in place, and fastening is carried out using spring-type brackets;
connect the radio;
then install the glove compartment, instrument panel and storage shelf.

Replacing the heater fan vaz 2107

Replacing the heater fan with a VAZ 2107 is not complete without some secrets that you need to know. Still, after all, replacing the heater fan of a VAZ 2107 car is not a simple process, but a complex one that requires careful attention.

after parsing the stove, you need to carefully check everything (for example, how the interior heating system blows);
all parts and connections of the heating system must be sealed so that water, dirt and dust do not get through them.

Often the cause of the failure of the stove is the heater tap. Before the arrival of cold weather, even in autumn or even summer, it is advisable to inspect it.
And if a problem is found, in the form of coolant leaks on the mat in front of the driver's seat or other symptoms, then the valve will need to be replaced.
So:

unclench the clamps on the heater hoses;
remove the hoses sitting on the nozzles;
unscrew the two screws with a key of 7;
we find the seal and remove it from the rubber bands;

go to the salon and unscrew the screws of the dashboard;
unscrew the nut of the air outlet bracket;
remove the latches;
pull out the right air outlet;
we unscrew the bolts fixing the cable on the stove tap (we use the key for 7);
remove the nuts securing the heater tap, fixing it to the radiator;

You should know that the stove faucet is held on by two bolts. They are screwed into special nuts called mortgages.
When disassembling, you need to be extremely careful so that the lower nut does not fall out. If this still happens, pull the heater housing down and remove the nut.

If the problem lies in the VAZ 2107 stove itself, then it is recommended to replace it. Before work, it is advisable to watch this video.

two rubber gaskets for pipes and heater tap;

coolant;

tool kits.

Before starting work, it is necessary to thoroughly rinse the engine compartment. The car must be installed on a flat area and put on the handbrake.
We wait until the engine cools down, after which we clean the fastening and threaded connections with a metal brush, special grease or just kerosene.
So:

open the engine compartment;

loosen all clamps on the hoses through which the coolant flows;

remove the hoses from the nozzles;

unscrew the two screws that secure the seal to the car body;

remove the seal;

we find the drive rod of the heater tap and disconnect it;

remove the stove fan cover;

we remove the nozzles from the holes so that the stove comes out easily;

we take a 10 spanner and unscrew the two bolts (they fix the coolant outlet pipe);

Photo scheme of the engine and stove

we also remove the rubber gasket, which is located between the stove radiator and the sealing connection of the pipe;

we replace it with a new one;

remove the faucet;

install everything in reverse order.

Video (click to play).

Everything that is written above is done by hand. This step-by-step instruction is a unique opportunity for novice motorists to learn how to carry out independent repairs.
Thus, it will not only be possible to carry out repairs at any time, but also save a lot of money. As you know, the price of services of this kind today is high.