Front windshield wiper motor for VAZ 2109, VAZ 2108

Windshield wiper (“janitor”) VAZ 2109

Windshield wipers are designed to clean the windshield from raindrops in bad weather, as well as from dust and dirt and provide the driver with good visibility. At the same time, windshield wiper blades, when installed correctly, clean a large area. The quality of glass cleaning largely depends on how tightly the brushes are pressed against the glass. Of course, we should not forget that the windshield wiper (due to its design) does not clean the entire surface of the windshield, because of this, visibility in snowfall or heavy rain is significantly deteriorated. If there are failures (malfunctions) in the operation of the wipers, you will have to repair the windshield wiper of the VAZ 2109. Do not be afraid to perform this simple procedure yourself, use our article and save your money.

Wiper relay VAZ 2109 wiring diagram

1 – electric motor of the cleaner;
2 – washer motor; 3 – solenoid valve for turning on the windshield washer; 4 – mounting block; 5 – windshield wiper relay; 6 – ignition switch; 7 – ignition relay; 8 – switch for cleaners and washer. Windshield wiper type 32.5205 consists of a gear motor, levers and brushes. The electric motor of the cleaner is three-brush, with excitation from permanent magnets, two-speed. To protect against overloads, a thermobimetallic fuse is installed in it.

Article: 842.3730000, additional articles: 2123-3730610

Order code: 013420

Gearmotor drive 842.3730 — Rated voltage — 12 V — Rated torque — 5 Nm — Maximum current — 4.0; 4.7 A - Rated rotation speed - 39-50 min -1; 59-72 min -1 - Weight - 1.5 kg

Applicability: VAZ-2110, 2123

Information used: JSC "KZAE"

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How to remove

First of all, it is necessary to de-energize the system. To do this, simply disconnect the negative terminal on the battery.

• set the wiper arms to a vertical position;
• unscrew the nuts and remove them from the rollers;
• remove protective caps;
• twist the nuts (one on each side) securing the brackets at the top;
• dismantle the rubber sealing washers;
• in the engine compartment, remove the wiring harness from the connector;
• unscrew the bolts holding the lower part of the bracket;
• the mechanism rollers are removed from the holes;
• unscrew the nut securing the windshield wiper crank and remove it;
• dismantle the bolts holding the wiper gearbox and the motor in place;
• disconnect the wires from the bimetallic fuse and remove the engine from the bracket.

All that remains is to remove the locking ring and adjusting washers from the gear shaft and install a new motor.
Assembly is carried out in reverse order. To make it more convenient to work, we recommend moving the stove fan slightly to the right. Without this, it will not be possible to remove the windshield wiper. You will also need to remove the fuse box cover and all the relays located there.

The windshield wiper itself must also be moved slightly to the left before removal.

It is better to number the adjusting washers so that they are not confused during assembly.

Disassembling the gearbox

If the wiper does not work due to contamination of the gearbox, then it will not be difficult to clean it. But under no circumstances should you unscrew the adjusting screw installed in it - otherwise you will most likely not be able to properly restore the armature clearance later.

The procedure is as follows:

• remove the protective panel from the gearbox;
• remove the gear;
• take out the cage nuts, having first unscrewed two bolts;
• The gear housing is disconnected together with the brush holder from the motor;
• the anchor is removed and cleaned with a compressor.

Removing the rear wiper generally follows the same algorithm, but you will also have to remove the door trim to get to the wires and other elements.

How to solve a problem?

If you are thinking about how to increase the speed of the VAZ 2114 wipers, then you should look at the root of the problem. And the main reason lies precisely in the motor of the mechanism and the trapezoid of the structure. If you do not pay attention to your wipers for at least a couple of months, then as a result you will notice a decrease in the speed of their operation.

To prevent such a problem, it is necessary to take care of the mechanism in a timely manner, and to take care of it correctly.

To return the structure to the required speed, you will need to disassemble the mechanism, clean the motor, or you can sand it with sandpaper. It is also worth lubricating the hinges that are located between the slats. If such care does not help, then all that remains is to replace the product or take the car to a service center.

The problem is that in the absence of cleaning and smearing, the mechanism quickly becomes unusable, which is why the product may need to be replaced. If we consider more frequent breakdowns, then most often the trapezoid becomes unusable. The hinges may also begin to jam, the slats may become deformed, and problems with the motor are found a little less frequently.

It is necessary to exclude damage to the wiring, which may also be the cause of the problem. If the wires are damaged, then most likely you will have to replace them along with the wipers.

Methods for connecting windshield wipers.

The connection diagram for windshield wipers can be divided into two types, depending on the method of connecting the operating mode switch.

In the first connection method, a constant plus is supplied to the wiper drive electric motor, and the mode switch connects the motor elements to the minus. This method is widely used in foreign and domestic cars.

The second method is completely opposite to the first, that is, power is supplied to the electric motor through the mode switch, and the minus in this case is taken from the drive housing.

Article: ME241, additional articles: 2103-3730000

Order code: 001655

Gearmotor ME 241 Rated voltage – 12 V Rated power – 6 W Maximum current – ​​2.8 A Rated rotation speed – 60 min -1 Weight – 1.24 kg

Applicability: VAZ-2101. 07, -2121, -1111 Information used: JSC "KZAE"

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Today, the next article in the series “Crystal VAZs or typical breakdowns of domestic cars” is dedicated to the “classics”: VAZ-2101, 2103, 2104, 2104, 2105, 2106 and 2107. These cars have been driving along our roads for decades and, despite Despite all the shortcomings that we will talk about, their popularity is still high.

Replacing the trapezoid and the wiper motor (windshield wipers)

The design of the trapezoid on VAZ 2109-2108 cars is quite reliable and it is almost never necessary to replace it, or only in exceptional cases. But you will need to remove it if you need to replace the wiper motor. This part fails much more often. Carrying out this repair yourself is quite simple and for this work we will need the following tool:

• open-end or socket wrench 24
• socket head 10
• extension
• ratchet
• flat screwdriver

Before proceeding with this repair, it is necessary to remove the windshield wiper arms from the vehicle. Then use a screwdriver to pry up the rubber bands that are put on top of the rods with slots, and remove them as shown in the photo below:

Then unscrew the nuts on both sides:

And we remove the rubber seals underneath them. Then unscrew the nut securing the trapezoid and the motor from the inside, as is clearly demonstrated in the example:

Next, disconnect the plug with the power wires from the motor:

Now all that remains is to slightly insert the splined shafts into the holes in the body in order to free the trapezoid:

And turning this whole structure a little for easy dismantling, we take it out of its place:

If you need to replace the motor, then unscrew it from the main mechanism, and then install all the removed parts in the reverse order. As for the price of these parts, you can buy a trapezoid separately for 1000 rubles and for the same price you can buy the motor itself.

Applicability

Where else is the spare part used?

The parts data presented on this page is for informational purposes only.

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As a professional manufacturer of automobile windshield wiper motor gearboxes, we guarantee to manufacture auto components in strict accordance with the original products. Product quality tests have been carried out by reliable Chinese quality control services, and the products have also passed overseas certification.

Characteristics 1. The wiper motor has a clean and smooth surface without scratches, deformation, damage or other defects. The connection elements are well tightened, preventing loosening. 2. Operating parameters are in accordance with national and international OEM standards. 3. Many years of experience in the production of electric motors and gearmotors. Export of products to the Russian market: 6 years. Annual export volume: 15,0000 units of windshield wipers. 4. Product quality meets the requirements of China National Standard QC/T29090-92 “Technical Requirements for Automobile Wiper Gear Motors”. 5. Certification of products according to the State Standard of Russia (GOST). 6. Cooperation with the Russian OJSC Avtokom, one of AvtoVAZ’s suppliers.

Other features Annual production volume of this series: 30,0000 pcs/month. Guaranteed supply: 30,000 pieces Warranty period: 24 months

Technical data of windshield wiper drive gearmotors

Wiper gear motor 1

Gear motor for windshield wiper drive VAZ 2101-2107, VAZ 2121, VAZ 1111 (ME 241, 21010-3730000-00)

Gear motor for windshield wiper drive VAZ 2108, VAZ 2109, VAZ 2115, Moskvich (AZLK) 2141, IZH-2126; GAZ 2410, GAZ 3102, GAZ 31029, GAZ 3110, 3302, UAZ 3160, 3163 (171.3730,176.3730, 2108-3730000)

Gear motor for windshield wiper drive VAZ-2110, VAZ-2123, (84.3730, 2110-3730000)

Gear motor for windshield wiper drive VAZ 2170, VAZ 1118 (842.3730, 842.3730-10, 2110-3730000)

KAMAZ windshield wiper drive gear motor (16.3730, KAMAZ)

Geared motor for windshield wiper drive GAZ 3307, 3308, ZIL (161.3730, GAZ)

Geared motor for windshield wiper drive KAMAZ, BelAZ (13.5305100-02, KamAZ)

Geared motor for windshield wiper drive MAZ (16.3730,351.5205200, MAZ)

Geared motor for the KamAZ Euro wiper drive (272.5205.100, KamAZ Euro)

Windshield wiper drive gearmotor DAEWOO LANOS (96303118, DAEWOO LANOS)

Wiper gear motor 2

Windshield wiper drive gear motor ZAZ 1102, 1102 Tavria, 1103 Slavuta (46.3730, 46.3730000)

Windshield wiper drive gearmotor for Russian buses (52.3730, buses)

Windshield wiper drive gearmotor for Russian buses (524.3730, buses)

Windshield wiper device for VAZ-2108.

The electric motor consists of a stator with permanent magnets and an armature with an elongated shaft, at the end of which a screw (worm) is threaded. On the worm side there is a commutator and a brush assembly. The brush assembly has three brushes, one negative and two positive, located at different angles relative to the commutator. This arrangement provides different speeds of rotation of the armature, necessary to change the frequency of operation of the purifier.

A gearbox consisting of a helical gear meshing with a worm at the end of the armature shaft is attached to the electric motor on the commutator side. The gear is located on a shaft to which a lever system is attached. On the opposite side of the shaft on the gear there is a cam that actuates a movable contact that ensures that the brushes stop in the extreme position.

Recently, a thermal fuse has also been placed in the gearbox to prevent the electric motor from burning out when the brushes jam or freeze. Previously, this fuse was installed on the wiper frame.

The windshield wiper operating modes are switched using the steering column switch, and its operation in intermittent mode is carried out by the wiper relay.

When the relay is triggered, the electric motor does not start

The cause of failure of the electric motor may be either a blown fuse or the motor itself. Fuses must be tested for functionality. If they are in working order, you need to inspect the trapezoid located under the hood; perhaps it has become deformed or a foreign object has gotten into it. In severe frost, again, you should check whether the blades are frozen to the windshield.

If the trapezoid is normal and the wiper blades move freely, you should definitely check the electric motor. To exclude other malfunctions, it should be removed from the car and connected directly to the battery. If it starts working, then it’s time to look for the cause in the electrical circuit.

VAZ 2109 tachometer does not work

The tachometer on the VAZ-2109 was installed only on cars with a high panel, and its connection diagram depended on which engine was installed, carburetor or injection. On “nines” with a carburetor engine, the signal to the tachometer comes from the ignition coil terminal, and in case of abnormal operation, troubleshooting should begin with the ignition coil terminal, to which two wires are screwed. There are cases when they are bent so that they are located next to the central high-voltage wire and in the event of a breakdown, the spark goes to these wires, which causes the tachometer to glitch. A similar picture occurs in the case of oxidation of these contacts. If the tachometer needle moves sharply in one direction or the other, it can be assumed that the culprit of this malfunction will be the switch, which will fail after some time. The tachometer, in fact, is an indicator of malfunctions appearing in the ignition system.

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Why doesn't the windshield washer work?

The system for cleaning glass and car headlights includes: a liquid reservoir, a pump, nozzles, tubes, electrical wiring and a power button. Most often, the reason why the windshield washer does not work is a faulty motor or a blown fuse. The operating principle of a windshield washer is quite archaic, so simple diagnostics and simple repairs can be performed almost at the doorstep of the nearest auto parts store.

Malfunctions and operating principles of hand and foot-operated windshield washers, which were installed on some VAZ and AZLK models, deserve a separate topic and will not be discussed in this article.

Causes of failure

• The windshield washer pump fuse has blown. Manufacturers mark consumers who are protected by fuse links with graphic symbols on the inside of the relay and fuse box cover. If the markings are unclear or the required insert is not marked, a detailed fuse location diagram can be found in the repair and operating manual for your car. Attention! Installing a larger fuse may cause the vehicle to catch fire. If the new fuse-link burns out immediately after installation, there is a short circuit in the circuit.
• The windshield washer motor is burnt out or soured. The low cost of the pump makes its disassembly and repair impractical, so simply replace it with a new one.
• The contacts on the connectors have oxidized, the power wires have become frayed or broken. In field conditions, oxides can be removed from the terminals with a sharp object. At the same time, do not damage or bend the terminals so as not to disrupt the quality of contact in the connector.
• The coarse filter in front of the windshield washer pump is clogged (not installed on all cars). The filter is attached to an O-ring that seals the pump installation location. If trouble catches you on the road and you cannot clean the filter element, temporarily remove it from the line.
• The hose from the pump to the injectors has fallen off or broken.
• The injectors are clogged. In winter, injectors can become clogged not only with debris and plaque, but also with ice. After using the windshield wiper, a washer fluid remains on the nozzles, from which the alcohol evaporates over time. The water remaining near the nozzle freezes, which is why the windshield washer does not work. You can pierce the injectors with a thin needle.
• The fluid in the washer reservoir has frozen.