Malfunctions of wipers on the "Seven" and ways to eliminate them

09/26/2021 9,639 VAZ 2107

Author: Ivan Baranov

A clean windshield is very important for the safety of the driver and passengers. Therefore, if the wipers on a VAZ 2107 do not work, this can lead to an unpleasant situation on the road. The article provides an electrical diagram of the windshield wiper, discusses malfunctions and solutions.

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Windshield washer does not work

To remove dirt from the windshield, the washer is used together with the windshield wiper. The device sprays water or a special liquid. The main elements of this mechanism are:

• fluid reservoir;
• motor;
• nozzles;
• connecting tubes.

During the operation of a car with a washer, various problems may arise that lead to its inability to work:

• motor failure;
• fuse blown;
• kinking of tubes;
• breakdown of the steering column switch;
• poor contact on the power supply circuit.

Checking the motor

It is easy to check if the washer pump is not working properly. To do this, just open the hood and pull the lever of the steering column switch, which is responsible for the function of supplying fluid to the windshield. At this moment, the operation of the motor will be clearly audible. If this does not happen, then the malfunction may be caused either in the pump itself or in the fuse or other part of the electrical circuit. To make sure that the problem lies in the motor, we use a multimeter to measure the voltage when the washer is turned on. If there is voltage, but the pump does not work, then you need to take care of replacing it.

Video: checking the wiper motor on a “classic”

The VAZ classic windshield wiper does not work. We are looking for the reason. 1 part.

Injectors

If the motor is running, but liquid is not supplied through the nozzles, then the problem will not be difficult to identify, since there are only a few reasons for this phenomenon:

• clogged injector fittings;
• the supply tube has come off;
• kinking of the tube.

The malfunction can be determined by inspecting the tubes from the motor to the injectors. If there are no areas with kinks and the tube has not fallen off, then the reason lies in clogged nozzles, which can be cleaned with a sewing needle and blown out with a compressor.

Fuse and mounting block

The integrity of the fuse is checked in the same way as for windshield wipers. The same protective element as for the wipers is responsible for the operation of the washer. In addition to the fuse, sometimes the track in the mounting block through which power is supplied to the washer burns out. In this case, you need to disassemble the fuse box and restore the current-carrying element by soldering, having first cleared the varnish from the track.

• VAZ 2107 wipers: purpose, malfunctions and repairs

Understeering's shifter

You should start checking the steering column switch on a VAZ 2107 if the fuse, motor and the entire electrical circuit through which voltage is supplied to the pump are in good condition. In this case, the wiring should not have breaks, melted insulation or other visible damage. To check the steering column switch, only a multimeter will be enough. Having disconnected the connectors from the device in question, we connect the probes of the device in the dialing mode with a two-pin block. If the switch is working properly, then when the washer is turned on, the device will show zero resistance. Otherwise, the mechanism will have to be replaced.

Electrical circuit diagram

Schematic diagram of the relay and fuse box, enlarged:

Electrical diagram of the relay and fuse box VAZ 2107

This diagram is useful in cases where the failure of the vehicle's power supply circuits is not associated with a malfunction of fuses and relays, but consists of burnt out tracks or charring of contact areas in the fuse and relay box. Repairing the unit requires high qualifications. Sometimes the cost of repairs is not justified. It is more rational to make an aggregate replacement of the unit (entirely), although the price is quite high (about 2500 rubles).

Although it is given for a car with contact ignition, it is almost identical to the injection version.

Dimensions

Thanks to the small size of the brush, you can save money. The length is identical for all positions. It is 340 mm. It is possible to install longer brushes. At the same time, they will not touch the body. The degree of cleaning of the windshield directly depends on the quality of the brush itself. You need to familiarize yourself with the characteristics in advance.

Original articles

Initially, only original parts were produced for the car. The year of release of the first car from the assembly line is the distant 1982. No imported parts were used. But it is not possible to find original components for installation on a VAZ 2107. After the collapse of the USSR, the release of this series continued.

But AvtoVAZ no longer produced such small parts as windshield wipers on its own. Finished products were purchased abroad, from third-party companies. As a result, assembly is significantly simplified

At the same time, it is important to understand that the quality of original wipers does not differ from products from third-party manufacturers

Original articles:

Replacement options

You can easily purchase wipers from third-party manufacturers. Moreover, their quality will be at a high level. Most famous brands monitor their reputation

It is only important to avoid buying counterfeits. For example, many of them are present at the Bosch company

You can easily identify a fake. It has poor quality packaging. There is no special hologram.

• 
  Repair of wipers on VAZ 2107

All wipers on sale can be divided into categories:

• frame;
• frameless;
• hybrid;
• winter.

All modifications without exception have their advantages and disadvantages. You need to choose a certain category based on the operating conditions of the vehicle and the region where it is located. Driving style and speed are definitely taken into account.

VAZ 2107 wiper malfunctions

Replacing a burnt out motor

During the winter season, at sub-zero temperatures, wipers often stick to the windshield. The wiper motor is under a lot of load, and it burns out if the bimetallic fuse does not work or the fuse burns out.

Location of the glass cleaner and washer fuse in the mounting block

In such cases, it is necessary to replace the motor. To do this, you need to remove all the parts in a certain order:

• Unscrew the fastening nuts;
• bend the lever and remove it from its seat;
• Using a 22mm wrench, unscrew the trapezoid fastenings on both sides;
• remove the plastic inserts;
• remove the hood seal;
• remove power from the windshield wiper motor;
• remove it with the drive from the hole in the body;
• bend the protective cover, unscrew the fastening nuts;
• press on the protrusions of the slots on the reverse side, on which the wiper arms sit, so that they fall inward, move in different directions, the trapezoid with the motor will come out.

Read, it may come in handy: What kind of torpedo can be installed on a VAZ 2107

Video instructions for replacing the windshield wiper trapezoid

After disconnecting the mechanism parts, you can repair the gear or install a new motor. But the electric motor must be inspected, even if it is in working condition. It is a conventional DC electric motor, the rotation of which, through a worm gearbox, is supplied to a trapezoid.

You should disassemble and repair the electric motor only if you are confident in your plumbing skills!

• Size of wipers for VAZ 2107 size and length of blades

Walk over the collector with a cloth soaked in solvent. If there is a lot of wear, you need to change the armature or motor. Defects on the gear will require it to be replaced. Assembly occurs in reverse order. Therefore, before installing a replacement electric motor, you need to clean the trapezoid from contamination, lubricate the rubbing elements, motor and gearbox.

Trapezius problems

The trapezoid transmits rotational movements from the electric motor to the wipers and ensures the reciprocating movement of the wipers while cleaning the glass. Interruptions in the operation of wipers occur due to problems with the trapezoid; oxidized bushings and corrosion on the axles lead to jamming and slow operation of the mechanism. You can remove the trapezoid with a flat-head screwdriver. To set the correct position when installing the trapezoid, you must:

• set the motor to the initial position;
• place the crank and short rod parallel to each other;
• After that, attach the motor to the trapezoid.

Wiper relay not working

If the wipers fail to operate in intermittent mode, it can be argued that the relay has failed. First you need to check the power supply to the relay block. To do this, you need to remove the relay, turn on the wipers in intermittent mode, and check the voltage at the terminals. If no current flows, you need to repair the open circuit or replace the switch. The design of the relay is such that it cannot be repaired. So, if it does not work under voltage, you need to replace the part with a new one.

Wiper switch

To check the voltage supply to the switch, you need to remove the pads from the steering control or on the relay connection blocks. There is always voltage on the black-yellow wire. Check on the red and gray wires. If there is no voltage on one of them, then you need to change the switch.

Causes of fuse blown.

If the wipers do not work in two positions of the switch, then most likely the fuse has blown, which serves to protect the circuit from short circuits and overloads. When the wiper control lever is set to the "off" position and the blades do not stop at the bottom of the glass or anywhere else, the problem is in the gearbox. It is there that a special switch is installed, which ensures that after turning off the brushes remain in the desired position.

Due to heavy overload of the electric motor, overheating of the wiring, or exposure to water, the fuse may blow. Replacing it is easy, but the cause of the burnout must be found out and eliminated.

Additional items

Under the hood

Additional headlight wiper fuses (2A rating) protect the motor windings. They are located on the supply wires next to the gearmotors.

The starter activation relay 113.3747 or 90.3747-10 is located in the engine compartment on the right mudguard.

In the cabin

The windshield wiper relay (PC-514) is mounted under the panel on the left under the trim.

The ignition relay and the hazard warning and turn signal relays are installed on the front panel behind the instrument panel. The ignition relay (113.3747-10 or 90.3747-10) and the hazard warning and turn signal relays (23.3747 or 231.3747) have a bracket for direct mounting on the body.

The fog lamp fuse is located in the gear shift compartment, not far from the radio.

Dimensions

Thanks to the small size of the brush, you can save money. The length is identical for all positions. It is 340 mm. It is possible to install longer brushes. At the same time, they will not touch the body. The degree of cleaning of the windshield directly depends on the quality of the brush itself. You need to familiarize yourself with the characteristics in advance.

Original articles

Initially, only original parts were produced for the car. The year of release of the first car from the assembly line is the distant 1982. No imported parts were used. But it is not possible to find original components for installation on a VAZ 2107. After the collapse of the USSR, the release of this series continued.

But AvtoVAZ no longer produced such small parts as windshield wipers on its own. Finished products were purchased abroad, from third-party companies. As a result, assembly is significantly simplified

At the same time, it is important to understand that the quality of original wipers does not differ from products from third-party manufacturers

Original articles:

Replacement options

You can easily purchase wipers from third-party manufacturers. Moreover, their quality will be at a high level. Most famous brands monitor their reputation

It is only important to avoid buying counterfeits. For example, many of them are present at the Bosch company. You can easily spot a fake

It has poor quality packaging. There is no special hologram

You can easily identify a fake. It has poor quality packaging. There is no special hologram.

All wipers on sale can be divided into categories:

• frame;
• frameless;
• hybrid;
• winter.

All modifications without exception have their advantages and disadvantages. You need to choose a certain category based on the operating conditions of the vehicle and the region where it is located. Driving style and speed are definitely taken into account.

Frame

The classic type of construction has a metal frame. As a rule, frame wipers are the cheapest. They have advantages: durability, accessibility. Usually the price for a pair starts from 500 rubles. The disadvantage is the aerodynamic shape. As a result of air resistance, the contact strength of the windshield and wiper is reduced. Which leads to poor cleaning.

Frameless

Have less resistance to air flow. Therefore, they can cope with cleaning the windshield at any speed. They have a more presentable appearance than frame ones. Less durable.

Hybrid

They are free from the disadvantages of frame and frameless brushes. They are a single piece of rubber. But there is a metal structure inside. Which makes the brush more durable.

Winter

Winter wipers are distinguished by their elasticity - even at sub-zero temperatures they clean the glass well. The characteristics are achieved by adding rubber to the rubber from which the wiper is made. It retains its elasticity and is not subject to deformation. Easily tolerates strong temperature changes

This is especially important for regions with low average annual temperatures. Optimal choice:

• the temperature at which the car is operated;
• maximum speed - at which the movement is carried out;
• intensity of precipitation.

Electric motor of the tenth family - installation on a classic and replacement

The drive from the VAZ 2110 is ideal for classic VAZs and has the best characteristics. How to remove the motor was described above. Installing a new one is not difficult. The electrical part will have to be changed a little. There are more modes on the “ten” and in order to leave only two, we interfere with the motor.

VAZ 2107 Problems with wipers, solution, advice.

We tear off the petal soldered to the body (there may be a wire instead) and insulate it. We take out the wiring from the detachable terminal, there are only 5 wires. We bite off one of the yellow ones, it will not be needed. We strip the gray wire that goes to the capacitor, screw the yellow one to it, cut it off from the male wire, and isolate the connection. We remove the old block, insert 4 wires, starting from the top clockwise (the protrusion on the block is on the right). 1 – gray, 2 – blue, 3 – white, 4 – black.

The rear window of station wagon and hatchback bodies gets very dirty, which is why the VAZ 2111 and 2112 have a rear wiper installed. If everything is in order with the electrical equipment, we replace the electric drive. We remove the trunk lid trim: unscrew the screws and unclip the pistons. We unscrew the nut that secures the leash and remove it. We push two pistons from the inside and pull them out using pliers. We pry up the cover with a screwdriver, remove it and the protective cap. We unscrew one nut with a 24 wrench, two more with a 10 wrench. Disconnect the connector and remove the gearmotor.

Sources

• tuningkod.ru/obsluzhivanie-avto/neispravnosti/neispravnosti-v-salone/ne-rabotayut-dvorniki-vaz-2107.html
• ladaautos.ru/vaz-2107/pochemu-ne-rabotayut-dvorniki-na-vaz-2107-i-chto-delat.html
• znatokvaz.ru/elektrooborudovanie/pochemu-ne-rabotayut-dvorniki-vaz
• drive2.ru/l/6538637/
• bumper.guru/klassicheskie-modeli-vaz/stekla/ne-rabotayut-dvorniki-vaz-2107.html

Removing the windshield wiper motor

To repair the windshield wiper motor, it must be removed. To perform this operation, you will need a 10 and 22 open-end or socket wrench. All actions are performed in the following algorithm:

• unscrew the wiper fastening nuts using a 10mm wrench;

• windshield wipers are dismantled;
• unscrew the fastenings of the wiper brackets with a 22mm wrench and remove the plastic inserts;
• rubber seals are removed from the engine compartment;
• the power terminals are disconnected;
• wires are removed from the holes in the body;
• the casing on the motor unfolds;

• unscrew the fastening nuts using a 10mm wrench;
• the gearbox is removed together with the brackets;
• the trapezoid fastening nuts are unscrewed;
• The windshield wiper motor is removed.

Upon completion of the windshield wiper repair, all procedures are performed in reverse order.

How to change wipers on a VAZ 2107

Replacing wipers yourself usually does not cause any problems. In order to solve the problem, you need to carefully study the fasteners that are used to fix the frames. Usually this is a metal hook, which is why you need to choose cleaners with a suitable mechanism; for some, special adapter kits are sold that will help if the selected device has a different mount. Replacement usually takes a few minutes: just disconnect the old wipers and put new ones in their place. The mount has a latch that simply snaps onto the pin. It’s worth checking how the connection went; if it holds tightly, you can use cleaners.

Wipers on VAZ

Essentially, I wrote that operating a car with a faulty windshield cleaning system is prohibited, but driving when the wiper blades do not remove water and pollution is no better. My question is, is it possible to install a better carburetor one of these days with the GAZ 24. According to the text of the article, I would like to give their types, not in my opinion, what is the best wiper blade to install on the VAZ 2107.

Wiper size for VAZ 2107 13 inches

Wipers VAZ 2107

The vehicle is operated in different climatic and road conditions. For safe and comfortable movement, the driver must have good visibility of the road situation, i.e. the windshield must always be clean. Windshield wipers provide mechanical cleaning of the windshield from dirt and sediment, improving visibility and increasing safety. We will consider possible problems with this mechanism and ways to eliminate them in more detail.

Principle of operation

The work of the wipers is quite simple and consists of the following sequence of actions:

1. The driver selects the desired operating mode of the windshield wipers using the steering column switch.
2. The entire windshield cleaning mechanism is driven by a motor.
3. The wipers move across the glass left and right at the selected speed, cleaning the surface.
4. When the mechanism is no longer needed, the steering column switch returns to its original position.

Wiring diagram for the wipers and windshield washer of the VAZ 2107: 1 - thermo-bimetallic fuse; 2 — windshield wiper gearmotor; 3 — electric motor for windshield washer; 4 — mounting block; 5 — washer switch in the three-lever switch; 6 — wiper switch in a three-lever switch; 7 — windshield wiper relay; 8 — ignition switch;

Components

The windshield wiper consists of the following main elements:

• lever mechanism (trapezoid);
• electric motor;
• relay;
• brushes

Trapezoid

One of the important elements in the windshield wiper mechanism is the trapezoid. On almost all cars this part is the same, and the difference lies only in the methods of fastening, the size and shape of the elements. The functioning of the trapezoid consists of transmitting rotational motion from the electric motor to the wipers, as well as ensuring the synchronous movement of the latter for high-quality glass cleaning. The trapezoid consists of rods, a body and a hinge.

Trapezoid design: 1 - crank; 2 - short thrust; 3 — joint of rods; 4 — rollers of the windshield wiper mechanism; 5 - long pull

Motor

The electric motor of the windshield wipers of the VAZ “Seven” is made as a single unit with a gearbox and is one of the main links of the mechanism in question. The motor consists of a stator with permanent magnets and an armature with an elongated shaft, at the end of which a screw is threaded. The purpose of this unit is to ensure the movement of the blades along the windshield. The device is considered reliable and fails very rarely.

Wiper relay

On classic Zhiguli cars, the windshield wiper has two operating modes - fast and intermittent with an interval of 4-6 seconds. It is to ensure intermittent operation that the RS 514 breaker relay is designed. Delayed activation of the wipers is used during light rain, when too frequent operation of the windshield wipers is not required, and when the mechanism is completely turned off, the glass is gradually covered with small drops of precipitation and needs to be cleaned. The product is connected to the general wiring using a four-pin connector. On the VAZ 2107, the breaker relay is located on the driver’s side on the left side panel under the plastic trim.

The wiper relay ensures intermittent operation of the mechanism

Brushes

Almost all passenger cars use two windshield wiper blades. On the “seven”, elements with a length of 33 cm are installed from the factory. Longer brushes can be installed, but a greater load will be placed on the electric motor, which will lead not only to slower operation of the mechanism, but also to possible failure of the motor.

The VAZ 2107 is equipped with brushes 33 cm long from the factory.

Fuse and relay box

The main block with fuses and relays is located under the hood and can be made in 2 versions (old and new). The current diagram will be printed on the block cover.

Scheme

Option 2

Installed on cars of early production years, here the fuses are cylindrical.

p, blockquote 7,0,1,0,0 —>

Scheme

Description

Circuit breakers

Relay

Windshield wiper blades LADA (VAZ) 2107 1982 – 2012

Heated windshield wiper blades for Lada 2107 1982-2012 (ATP kit) BURNER 5

Total products: 4

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Which wipers are better

Not only its price, but also its performance depends on what exactly the base of the purifier is made of. The quality of the base plays a major role in cleaning glass from moisture.

When choosing a product, you should pay attention to what it is made of. It could be:

1. rubber coated with graphite;
2. silicone;
3. Teflon spraying.

At first, graphite-coated rubber was used in wipers. They do the job well, but don't last long.

Silicone does not withstand low temperatures well, but otherwise always gives good results. 2 times more expensive than rubber ones.

Teflon has proven itself well in operation, but is expensive compared to conventional ones.

The manufacturer of the windshield wipers plays a big role. The highest positions in the ranking are occupied by: Bosch, Valeo, Heyner, Trico.

Where is the wiper relay located on the VAZ 2107?

VAZ 2107 is one of the most common cars in Ukraine. It is famous for its ease of repair and reliability. All this car needs is the care of the owner, good oil in the engine and gearbox and it will serve faithfully. One of its few problems is the wiper relay that often fails. This leads to the fact that the windshield wipers do not work at all, or their cycling gradually slows down. To restore the functionality of the device, the relay must be replaced, but this is not so easy. This article describes the location of the wiper relay on a VAZ 2107 and the process of replacing it with a new one.

How do wipers work and why are they needed?

The main task of windshield wipers is to create a good level of visibility in bad weather and to clear water and dirt from the car's windshield. Special auto chemicals and the use of the right washer can help them with this. Windshield wipers operate thanks to a special gear motor, powered by the vehicle's on-board circuit. And the relay marked RS-514 is responsible for the frequency of operation. The VAZ 2107 has two wiper operating modes - constant and cyclic, with a pause of four seconds. The efficiency of wipers is directly related to the quality of the battery; you can buy a good battery from us.

The windshield wiper relay, as one of the most important elements of the system, is located under the dashboard, on the left. It is fastened with two screws hidden under the upholstery. The connection is made using a special plug located near the headlight hydraulic adjustment handle. To check the device, the plug must be disconnected and pulled out.

Basic device

Knowing where the windshield wiper relay is located on the VAZ 2107 in the injection and carburetor versions is not enough. To carry out repairs, you should study the principle of operation. This device looks like a black box, inside of which there is a microcircuit and electronic components responsible for the proper operation of the wipers. The microcircuit consists of the following elements:

• electromagnetic coil;
• resistor and capacitor;
• microcontroller HP37.

Relay for wipers with adjustable pause VAZ
The connection is made using four wires, through which the windshield wiper motor is controlled.

How to replace the wiper relay

To begin with, it should be noted that in the carburetor and injection versions of the car the relay is absolutely identical. Next, you need to check the functionality of this device. The easiest way is to take a known working device from another machine and connect it. If the windshield wipers work, then the problem is here. In theory, if you have certain knowledge, you can try to restore it by identifying the failed element and replacing it. But if you need to fix your car urgently, the easiest way is to replace the device with a new one. This is very easy to do:

• Remove the negative terminal from the battery, de-energizing the entire on-board network of the vehicle.
• Unscrew 2 screws.
• Take out the plug, put it on the new device and screw it into place.

How does the wiper relay work?

The operation of the windshield wiper involves a chain of elements, which includes an electric motor, a fuse, a power button and a relay. The latter performs the most important function, managing the entire process. It functions as follows:

• When you press the power button, power is supplied to the relay, the contacts inside close, the coil turns on and the wiper gear motor starts working.
• Over the next 3 seconds, the bimetallic plate inside the device heats up, and the power from the electric motor of the VAZ 2107 windshield wipers is lost.
• After this, the panel cools down quickly enough and the wipers start working again.
• If the delayed operation mode is turned on, the main resistor distributes the electromotive force so that the delay necessary for the cyclic operation of the wiper is formed.

As you can see, the scheme is quite simple, and almost all repairs come down to replacing failed components with new ones, so you can do everything yourself.

Logbook VAZ 21074 (2006)

Accessories: Replacement of windshield wipers on VAZ-2107

Hi all! Last fall, a dilemma arose about which wipers were best to take for the winter to replace worn-out frameless ones.

The frameless ones lasted for about six months and began to smear, in the summer it was still ok, but in the off-season they were no longer good, especially in the winter - they dulled and didn’t really press down. I decided to take good frame ones, since since the purchase of the car there had been Champions on it, which had been running smoothly for more than a year, so I ordered them from another company, Airline, but 2 times cheaper.

Both are quite well made; Champion, however, will have a more massive frame.

Both press well, there is no such thing as a protruding tip on the frameless ones, however, the length is only 36 cm, but, for me, this is optimal for the “classics”.

They don’t creak, they clean cleanly, they don’t freeze too much.

The winter went well, I’ll see how long both last and maybe I shouldn’t overpay for Champion next time.

Brushes Champion X36 — 226 rub.

Airline brushes AWBK360 — 114 rub.

Subscribe! Good luck on the roads!

• More about this car:
• Logbook
• Breakdowns

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Author, what is the meaning of this opus? Buy 2 pairs of brushes, use only one and based on this conclude that the other pair of brushes is crap?

I did not understand the question? Previously, I installed cheap frameless ones, but they fell apart within six months, this time I took frame ones from 2 different companies, one at a time, installed both, both survived the winter well, until I found fault with either of them.

They used to say that frameless ones are better. Now back - frame ones are better. This isn't the first time I've heard this.

What’s good about our cars is that the brushes lie on the glass above the instrument panel. Those. in the stove blowing area. And in modern ones it is customary to lower the brushes lower, almost to the edge, where the glass no longer heats up. And if there is no electric heating, then they freeze only on the way.

Well, it also depends on the company, I like frame ones better, they are metal, but I never take frameless tires, which harden in the cold, and that they don’t freeze especially well, when parked, like they do on other cars.

Did you disassemble the frameless one to say that it is rubber?

Frameless ones are pretty good on flat glass. They are not suitable for Zhigilev type glass.

They also usually have a plastic rim above the elastic band. Poor removal of ice. And frame ones without unnecessary protrusions.

I break the ice with the windshield wiper hitting the glass, but I don’t clean it off with my hands.

And if the glass is heated, it’s even dangerous.