Adjusting the windshield wiper pause. Relay modification.

Driving comfort in rainy weather and good visibility on the road is ensured by a windshield wiper relay with an adjustable pause. However, not all vehicle models provide such equipment. In this case, the mode of flapping the brushes may not be comfortable enough.

In this case, you can independently modify the design of the windshield wipers. To do this, you will need to take the advice of experts. This process can be done with your own hands. How to select and install a windshield wiper relay on your car will be discussed below.

Relay functions

The windshield wiper relay with an adjustable pause for UAZ, VAZ, Chevrolet, Kia and other car brands differs in functionality and design. It should be noted that the presented part is available in almost every vehicle. However, its functionality is significantly different.

When it rains, snow or other precipitation, their intensity may vary. During heavy rain, it is necessary that the brushes make frequent strokes, providing a clear view of the road. But in drizzling rain or light snow this is not required. The brushes should occasionally remove grains from the windshield.

If the model of the frequency regulator does not provide for long pauses in movement, this may cause discomfort. Many drivers have encountered a situation where the blades, often moving across the windshield, simply smear the occasional drops of rain. At the same time, divorces remain. They impair visibility. This is an unsafe factor when driving.

Where is the wiper relay located in a VAZ-2107 car?

VAZ-2107 owners will have to re-equip and modernize the car in their own way, if, of course, there is a desire to improve the hardware to the possible ideal.
This also applies to wipers, which show a slow cyclic movement. A windshield wiper is designed to thoroughly clean the surface of the windshield, so if it doesn't work effectively, sticks and drags, the road ahead becomes difficult to see in rain or snowstorms.

The functions of the wipers are based on the supply of appropriate power and the uninterrupted operation of the regulator. The last part is indispensable in the design of wipers, so it is advisable for every VAZ-2107 driver to know where the relay is located so that problems with it can be fixed at any convenient time.

Standard relays

Standard windshield wiper relays with an adjustable pause for VAZ, UAZ and other car brands have two operating modes. In the first, the brushes swing without pause. This mode is suitable if there is heavy rain. The second mode has a pause between swings. By default it is 4 seconds.

This situation sometimes makes it difficult to select the optimal mode for eliminating drops from the windshield. Many modern car models provide adjustments with the ability to set the time between brush strokes. However, relatively inexpensive vehicle models do not have this option.

In this case, the driver is forced to either put up with this brush flapping mode or turn it on manually. In this case, literally every 20 s. you have to use the windshield wipers and then turn them off again. This allows for normal visibility. However, manually turning on the wipers can distract the driver. This action may lead to an accident. Therefore, it is recommended to retrofit your vehicle with a more modern relay design.

How does a windshield wiper work in cyclic mode?

The windshield wiper is functional when the wiper blades make one movement within 10 seconds, which of course makes driving a car much easier during drizzling and heavy rain. This mode is available for any car; to do this, it is enough to use the PC514 relay from a VAZ car.

Windshield wiper relay wiring diagram. How does the windshield wiper relay work?

1 – relay RS 514; 2 – two-pole toggle switch; 3 – wire; 4 – windshield wiper; 5 – windshield wiper limit switch; terminal designations; Zh – yellow; B – white; K – red; C – blue.

Relay 1 has 4 pins. The plus of the on-board network is transmitted to the yellow wire, the two-pole toggle switch is connected to the red and blue wires. In order to ensure that the wiper blades stop, the non-grounded contact must be connected to wire 3.

In this case , the wiper will operate in cyclic mode when the toggle switch is moved down. Although you can buy a special windshield wiper cycle regulator, with which you can select the cycle of operation from 2 to 15 seconds.

Capabilities of modern relays

Today, many manufacturers produce modern windshield wiper relays with an adjustable pause on the Chevrolet Niva, VAZ, Lada-Kalina and other types of vehicle models. For each car, certain systems have been developed that allow you to properly adjust the operation of the wipers.

When installing such a device on his vehicle, the driver has the opportunity to adjust the brush strokes at intervals from 0.5 to 45 seconds. This function allows you to select the most comfortable mode that matches the existing weather conditions.

In this case, you can configure not only the movement of the wipers when driving along the highway in bad weather, but also during the glass cleaning mode. If water is supplied to it, the standard control unit will make 4 strokes of the brushes. The last of them will be done on almost dry glass. If there is an adjustable relay, there will be only 3 strokes. This will prevent the rubber elements of the brushes from sliding on a dry surface.

Understeering's shifter

Oddly enough, when your car's windshield wipers do not operate intermittently when you activate them, meaning the blades don't stop for a few seconds before moving on, the likely culprit may be the switch itself.

On most modern cars, wipers are turned on using stalks on the steering wheel. They are subject to increased requirements for reliability, build quality and connection accuracy. After all, they must transmit signals to control devices.

But the steering column switch may fail. The handle breaks, the contacts are broken, and because of this the signal is not transmitted. It is also possible that the brushes will not operate only in intermittent mode.

To troubleshoot and bring the windshield wiper back to life if the switch breaks, you can do the following:

• Remove the plastic elements from the steering column. This will allow you to understand where and how the switch responsible for the car wipers is fixed under the steering wheel. Usually it is necessary to unscrew several bolted connections and screws.
• Next you need to unscrew the switch itself. Using a tester or multimeter, check the dismantled device for functionality. To do this, you need to bring the probes to the contacts and try to turn on different modes.
• It is recommended to remove the block from the switch and check the voltage at the contacts with the ignition on. This will let you know if current is flowing to the switch.
• If there is current, you should try to clean all the contacts, and then turn on the intermittent mode again. Check the voltage at the terminal. If it is not there, then the switch itself has completely failed.
• If the switch fails, it is easiest and most correct to replace it with a new one. There is nothing complicated about the installation. The work is carried out in the reverse order of dismantling.

If the device turns out to be working properly, but the intermittent mode still does not work, then the reasons should be looked for elsewhere. Perhaps the connection contacts are to blame here. That is, the wires have become disconnected, causing no power to flow and the switch being unable to transmit a command.

Advantages

It is worth ordering a windshield wiper relay with an adjustable pause for several reasons. This re-equipment of the design allows you to get a lot of advantages. The comfortable brush sweep mode allows for good visibility on the road in any weather. Regardless of the intensity of precipitation, cleaning will be carried out in the most suitable mode.

If the pause when flapping the brushes is even 0.5 seconds, this will significantly increase the service life of the wipers and their rubber elements. The frictional force will have less impact on the material. At the same time, in the process of cleaning glass using a jet of water, it will be possible to avoid the movement of the brushes on a dry surface. This also significantly extends the life of the brushes.

At the same time, purchasing an additional relay will not require large financial costs. If you wish, you can install this control unit yourself. This does not require much effort and time. A simple procedure will help increase comfort when driving a car in bad weather.

Wiring diagram for windshield wiper and washer

1. Repair manuals
2. Repair manual for VAZ 2105 (Zhiguli) 1980-1992.
3. Wiring diagram for windshield wiper and washer

A detailed description of such a unit as the wiring diagram for the windshield cleaner and washer of the VAZ 2105 Zhiguli has a good structure with thematic headings. In addition, there is always the opportunity to familiarize yourself with the intricacies of installation. There are often situations when a driver is confident in his abilities, but when he gets down to work, questions begin to arise. Thanks to our portal, such moments can be easily avoided. The site is a database that is updated regularly. By using it as a support during repair work, the car enthusiast receives a serious advantage. Each of the articles has reliable support, tested in practice.

In addition to the repair manual, the owner of a personal car will be able to prevent a lot of breakdowns that occur due to the human factor, thanks to the information located on the site. Users are presented with a lot of useful recommendations for proper operation, which will help significantly extend the life of the unit and avoid many negative consequences.

Online support is an excellent and most convenient way to obtain the necessary information. Another significant plus is that articles are written for people. We understand that the reader will do everything with his own hands, and we try to make it as convenient and efficient as possible. Use the resource at any time of the day and find the answer to any question you may have regarding cars.

New relay

A windshield wiper relay with an adjustable pause for VAZ-2107, IZH, Lada Granta and other car models must be selected correctly. There are several popular manufacturers of the presented equipment, whose products are in great demand today.

For domestic cars with a new safety block, as well as foreign cars with the same arrangement of structural elements, the most popular model is 723.3777-05. This relay is produced by Energomash CJSC. The cost of such a device is about 200 rubles.

It should be said that there are many cars driving on domestic roads whose safety unit has an old configuration. For such vehicles, the most popular models are 724.3777-01 and 39.3777-03. The first design is produced by ZAO Energomash, and the second is produced by the no less popular brand “Russian Partner”. The cost of such products is also in the range of 170-200 rubles.

Modernization of windshield wipers. Automatic windshield wiper.

V. Lomanovich, A. Kuzminsky

Windshield wipers installed on some modern cars operate continuously. However, it is rational to equip the windshield wiper with an appropriate automatic device that ensures that it is periodically turned on and off according to a given program. In Fig. Figure 1 shows a diagram of an electronic device for automatically turning on the windshield wiper at a specified frequency.

Rice. 1. Schematic diagram of devices for automatically turning on the windshield wiper

The multivibrator on transistors T1 and T2 generates rectangular pulses, which are fed to the base of transistor T3, in the collector circuit of which the electromagnetic relay P1 is connected. The duration of the pulses arriving at the input of transistor T3 varies from 1 to 30 s depending on the position of the variable resistor R2 slider, and the operating period of relay P1 changes accordingly. Normally closed contacts 1P1 and 2P1 of relay P1 are connected in parallel and are used to control the windshield wiper motor.

When connecting an electronic machine to a standard windshield wiper, you need to disconnect clamp “3” from the chassis so that in the future contacts 1P1 and 2P1 of relay P1 (see Fig. 1) can be connected to point “3” and the chassis (common minus). At the same time, it remains possible to operate the windshield wiper in normal (non-automatic) mode.

After applying voltage to the electronic device, relay P1 is activated and contacts 1P1 and 2P1 break the power supply circuit of the windshield wiper motor 0.3-0.5 s after the closure of toggle switch B1. The time during which the electric motor is turned off depends on the duration of the control pulses arriving at the base of transistor T3 from the multivibrator (see Fig. 1).

After the pause ends, the contacts of relay P1 close and the windshield wiper starts working. Using variable resistor R2, the duration of pauses can be changed. Just as in continuous operation, the auto-stop switches off the electric motor only after the wiper blades have returned to their original position on the windshield.

Note that the electronic automatic machine allows you to use the windshield wiper in any of the continuous operation modes (with low or high speed of movement of the brushes). In the event of a failure of the electronic unit, the windshield wiper remains operational in normal mode.

Instead of variable resistor R2, you can install a small-sized switch with 2-5 operating positions (for example, a PKM cam switch), which switches several constant resistors. Their resistance is selected in such a way as to obtain the desired duration of the pause between switching on the wiper motor.

In Fig. Figure 2 shows a diagram of the installation of the electronic unit on the Moskvich car.

Rice. 2. Installation diagram of the electronic unit on the Moskvich car

The selection of the windshield wiper operating program is carried out using a multi-pole cam switch with five positions, type PKM9-1 (B1-B9), which is installed on the driver’s panel. Initially, as shown in Fig. 2, all contacts of PKM9-1 are open, its handle is in the first position and the windshield wiper does not work. In the second position of the switch, switch B1 closes and the windshield wiper begins to operate in continuous mode with the blades slowly moving across the windshield. In the third position of PKM9-1, in addition to B1, switches B2 and B3 are closed. The additional resistance Rd of the excitation winding circuit OB2 of the electric motor is short-circuited, and the windshield wiper is switched to the second continuous mode with accelerated movement of the brushes. In the fourth position of the PKM9-1 switch, switches B1, B2 and VZ are opened, and B4, B6, B8 are closed. In this case, power is supplied to the electronic unit and the first automatic mode is set with pauses of 5 seconds between switching on the wiper motor. In the fifth position of PKM9-1, the second automatic mode is set with pauses of 10 s between switching on the windshield wiper (B4, B6 and B8 are open, B5, B7 and B9 are closed).

Used relay

A windshield wiper relay with an adjustable pause for VAZ-2110, IZH, Priora and other car models does not have to be new. On sale are control units that have already been installed in one or another brand of vehicle. There are quite a lot of high-quality relay models presented in this category.

The advantage of used types of control units is that they are completely ready for installation. Most often, such designs have undergone high-quality modifications. In this case, installing the relay in the seat will be much easier. The connection is made using prepared wires. The location for installing the relay will not need to be re-equipped.

Experts say that used designs are largely intended for domestic car brands. Owners of foreign cars are recommended to purchase new units. In this case, the modification of the design will be optimal for the corresponding brand of car.

Problems when paying with bank cards

Sometimes difficulties may arise when paying with Visa/MasterCard bank cards. The most common of them:

1. There is a restriction on the card for paying for online purchases
2. A plastic card is not intended for making payments online.
3. The plastic card is not activated for making payments online.
4. There are not enough funds on the plastic card.

In order to solve these problems, you need to call or write to the technical support of the bank where you are served. Bank specialists will help you resolve them and make payments.

That's basically it. The entire process of paying for a book in PDF format on car repair on our website takes 1-2 minutes.

Features of relay replacement

Before making a replacement, you need to consider the technology for carrying out this work. It is advisable to study the manufacturer's instructions. It indicates how the wiper control system works.

In some models this procedure is simpler. Many foreign-made cars have a system modification feature. The fact is that vehicles are supplied to the market with both full and cheaper equipment. In the second option, the manufacturer initially assumes that the driver can carry out modifications if desired.

If an additional control unit is installed on a similar foreign car and a domestic car, the procedure will be different. The windshield wiper relay with an adjustable pause for Grant, Priora, and VAZ is somewhat more difficult to install. However, when purchasing a modified used part, this procedure is greatly simplified.

Do-it-yourself modification and replacement of wipers

The wipers are modified if you are not satisfied with how they work. The modification consists of increasing their speed and improving the pressing of the rubber bands to the glass.

Photo gallery “Replacing windshield wiper blades”

The replacement procedure is carried out in stages:

1. First, the lower arm is removed from the glass.
2. Next, we find the plug that holds the blade. By pressing it, remove the used brush.
3. When replacing rubber bands, make sure that the holders do not hit the glass and break it. You can wrap them with rags or a towel.
4. The next step is to install the brush. It is inserted into the holder, carefully turning the part so that the hook fits into place.
5. Next, you need to secure the hook and return the lever to its base position.

To ensure vehicle safety during precipitation, you need to ensure that the glass wipers are working properly. Replacing them is a simple procedure and can be performed by any car enthusiast.

Beginning of work

To install a windshield wiper relay with an adjustable pause with your own hands, you must first dismantle the wipers. Their design may vary significantly depending on the vehicle model. It is also worth noting that the brushes can be front or rear. However, regardless of their type, the relay is located on the vehicle glass.

If there is no wiring diagram for the wipers, you can find the installation location of the control unit yourself. To do this, you need to inspect the base of the brushes. Most often, in foreign and domestic cars, this element is screwed to the car body.

Most often, the relay is located near the hood release handle. When the part is found, it is dismantled. To do this you need to prepare a simple screwdriver. The old relay is removed very carefully. You must try not to scratch the body or damage other elements of the system. You also need to remove the wiper column.

How to add pause adjustment to a relay

First of all, in order to be able to regulate the duration of the corresponding pause, it is necessary to remove the wiper relay itself from the car. I think finding it will not be a very difficult task, since every wiper of any car model is always located on the windshield, where it fulfills its purpose. To be more precise, the relay is screwed to the body not far from the hood release handle. And so we unscrew the relay, as well as the column, and take our part home or to any other convenient place where you will feel comfortable doing the rest of the work.

Now, so that the windshield wiper interrupter with pause adjustment can be calibrated, open the cover of the removed part and remove the printed circuit board that is attached to it on the other side. Now we carefully consider the diagram.

Let me remind you that the pause between sweeps of the wipers is provided by a resistor. Without proper handling, the windshield cleaning system will not work.

It is thanks to the change in resistance that adjusting the wiper pause becomes quite possible. If there is an interval of four seconds between sweeps of the wiper, then the resistor resistance is 62 Kom. For example, a value of 45 Kom provides a delay of three seconds. If you put a resistor with a resistance of approximately 30 Kom on the windshield wiper pause relay, the interval will be only two seconds.

If you decide to leave the original resistor, then I advise you to prepare to solder any of its legs of your choice from the same board. In case of replacement with a resistor with a lower value, the original one should be soldered with only one leg. Then we take about fifty centimeters of a pair of single-core wires or one two-core wire and solder one wire to the free leg of the resistor, and the second to the place where you just soldered the free leg.

It is advisable that the wires be wrapped in a special transparent heat-shrinkable casing, as it guarantees excellent insulation. We put the tube on the connection itself and barely heat it with a lighter, which will make it shrink and settle tightly. This method is much more effective than electrical tape. We are not finished with the windshield wiper pause relay yet, although both wires are already soldered. Now we make a knot on them so that we don’t accidentally tear them off due to carelessness and cover the relay cover, simultaneously pulling these wires along with the standard ones. Don’t forget to glue the cover of the wiper pause relay itself, for example, with a hot glue gun.

After this, we pick up a variable-type resistor with an arbitrary resistance value (for example, 100 Kom). If you want to extend the pause between sweeps of the wipers, then I advise you to choose a resistor with a value of more than 100 Kom. The higher its resistance, the longer the pause. 100 Kom means an interval of ten seconds, and 200 Kom means seventeen and so on. I strongly do not recommend choosing a resistance of 500 Kom, since the accuracy of setting the pause will be significantly reduced.

We take this variable resistor and any of the two wires to solder it to the central contact, and solder the second wire to any extreme contact of your choice. That's it, job done.

Now we take the modified relay, install it back on the car, and it is advisable to place the resistor closer to the windshield wiper switch, for example, on the steering column. You can arrange the mechanism of use entirely at your own discretion. There are no longer any boundaries in this matter.

As you can see, adapting the wiper interval to your understanding of comfort is not very difficult. And the cost of brand new relays and resistors is not very high. However, it is definitely worth your time, and the windshield wipers will no longer bother you with their too short activity interval in light rain.

Installation process

The windshield wiper relay with adjustable pause is easy to install yourself. To do this, you need to find the brush block and open the cover on it. There used to be an old relay here. Ideally, the new control unit has been modified and can be easily installed in an existing mounting location.

After this, you need to configure the system. After installing all elements of the system in the reverse order, it is necessary to turn on the intermittent wiper movement mode. In this case, the pause will last the standard amount of time. Next, you can set your settings.

To do this, the driver must turn off the brushes. After this, it maintains the required time interval. For example, it will be 2 seconds. Then the driver switches on the intermittent brush movement mode again. In this case, the relay will remember how often you need to sweep the wipers. This is a very convenient way to control the movement of the brushes.

Signs of trouble

In practice, it is not so difficult to determine that the intermittent operation of your car wipers has eventually disappeared. No diagnostic equipment is needed, just your eyes.

Here you need to look at the behavior of the wiper blades installed on the car. In fact, there may be 2 scenarios. They either do not stop for the required 2-3 seconds, or do not react at all to commands from the car’s interior.

The situation is especially unpleasant when everything works in other positions of the switch. Although everything is individual here. Sometimes it’s better for the brushes to work somehow, because otherwise you won’t be able to get home during a rainstorm or heavy snowfall.

When faced with the fact that the intermittent wiper mode on your car does not work, you need to find out the reason and try to fix it yourself. Or seek professional help.

Features of the improvement

You don’t have to buy a windshield wiper relay with an adjustable pause, but simply modify it. This is a rather complicated process. It requires appropriate preparation from the master. You will need to have at least a basic level of soldering techniques and knowledge of electronics. It is for this reason that it is easier to buy a new device.

However, if you wish, you can carry out the modification yourself. To do this, you need to remove the cover and remove the board. The interval between strokes is controlled by a resistor. It is quite easy to find for a person who understands electronics. To create a pause of 4 seconds, the relay includes a 62 KOhm resistor. If you decrease this value, you can reduce the interval between strokes.

Repair

To troubleshoot problems with the wipers on your VAZ 2109, it is not at all necessary to contact a service station. The work can be done with your own hands, saving a decent amount of money.

Repair consists of performing several operations:

• Disassembling the unit;
• Troubleshooting;
• Eliminating the causes of purifier failures;
• Reassembly.

Dismantling

The first step is to learn how to remove windshield wipers. This will give you access to the device and all its components.

Dismantling by a wiper is carried out for their repair, replacement, modernization or when working with other components of your car.

It is enough to follow the specified sequence of actions and first familiarize yourself with the wiper diagram in order to do everything correctly.

Scheme

1. First, disconnect the negative terminal of the battery to de-energize the car.
2. Remove the brush arms by moving them to a vertical position and unscrewing the fastening nuts. Unscrew the nuts carefully so as not to push the lever out. Otherwise, under the action of the spring, it will fly into the glass and break it.
3. By unscrewing the fasteners, the levers can be removed. It is not always possible to do this manually, so arm yourself with pliers. Be careful not to damage the threaded area. To avoid this, screw the nut back onto the splines, but not completely.
4. Remove the protective caps made of plastic from the slots on each side.
5. Unscrew the upper mounting nuts with the bracket and remove them. Under them there are rubber washers, which are also dismantled.
6. Lift the hood and disconnect the wiring harness that powers the wiper motor.

1. Unscrew the heater fan mounting screws and move it slightly to the side. This way, when dismantling the purifier, it will not interfere with you.
2. Remove the cover from the relay and fuse box. You need to remove not only the wiper relay, but also everything else. Otherwise, they will interfere with your further processes.
3. Unscrew the lower fastening nut of the mechanism, remove the plastic holder of the wiring harness from the electric motor from the hole in the car body. Now you can remove the holder so that it does not get lost during the repair.
4. All that remains is to push the mechanism roller inside, then lift the electric motor and the windshield wiper mechanism slightly up and to the side. This way you can easily remove the node.

Revision procedure

The old resistor needs to be removed from one side. One wire is soldered to its free leg. The second core must be connected to the place where it was installed. The wire can be used one two-core or two single-core. The second end is connected to the central contact.

Next, the relay cover can be closed and the device installed in the system. Its functionality is checked.

Having looked at how to select and install a variable pause wiper relay, you can perform this procedure yourself.

Windshield wiper malfunctions and solutions

The windshield wiper does not work:

— The electric motor is faulty (clicking noises are heard periodically when the thermal fuse of the windshield wiper is turned off)

Check the electric motor separately.

Disassemble the faulty electric motor.

Clean the commutator, replace the brushes if necessary, and lubricate the bearings with engine oil.

If the winding in the electric motor is burnt out, replace the electric motor.

Check with a test lamp, replace if necessary

— Short circuit in circuits

Connect a test lamp instead of the fuse and, disconnecting sections of the circuit, starting from the windshield wiper, find the short circuit and eliminate

— Sticking of the lever axes or hinges of the lever system (clicks are periodically heard when the thermal fuse of the windshield wiper is turned off)

With the windshield wiper removed, remove the crank from the gearbox axle and check the lever system by hand for any binding.

Lubricate all joints and axles with engine oil.

— Wear of the worm gear of the gearbox (the operation of the electric motor can be heard, but the brushes do not move)

Replace the worm gear

— The thermal fuse of the windshield wiper is faulty

Check with a test lamp, replace the fuse if necessary

The motor armature rotates at low frequency:

— Contamination or oxidation of the collector

Disassemble the electric motor, clean the commutator

— Armature jamming in bearings

Clean the journals

— Faults in the windings (see “The windshield wiper does not work”)

Check the windings, replace the motor if necessary

The electric motor is running, but the brushes are motionless:

— Weak fastening of the crank on the gear axis of the gearbox

Check the crank fastening. Tighten the fastening nut

— Breakage of gear teeth

Replace the reduction gear

While the windshield wiper is operating, the blades hit body parts or the blades stop too high after switching off:

— Brush arms are installed incorrectly

Change the setting of the brush arms

The wiper operates at one speed:

Check with a test lamp, replace if necessary

— Sticking of brushes in the electric motor

Disassemble the electric motor, check the condition of the brushes, replace the electric motor if necessary

Removing and disassembling the windshield wiper

Lift up the protective cap of the lever.

Use a 10mm wrench to unscrew the nut.

Using sliding pliers, we pull the lever from the slots.

Similarly, remove the second lever.

Using a thin screwdriver, we remove the six plugs for the bushings securing the front panel trim

Using a slotted screwdriver, unscrew the six self-tapping screws securing the cladding

We take out the screws along with the plastic bushings.

Using a 24mm wrench, unscrew the nut securing the outer panel cladding.

Disconnect the fluid supply hose from the tee.

Using a 24mm wrench, unscrew the nuts securing the two wiper bushings

Removing the sealing gaskets

Disconnect the wiper block in the engine compartment

Using a 10mm wrench, unscrew the two bolts securing the windshield wiper bracket to the body

In order to remove the left rod bushing from the hole in the body panel, close the hood halfway.

Using a screwdriver, unscrew the two screws and disconnect the wire tips from the bimetallic fuse.

If the blades did not extend beyond the boundaries of the windshield during operation of the windshield wiper, before disassembling we mark the relative positions of the gearmotor and the crank on its shaft

Use a 13mm wrench to unscrew the nut.

Remove the crank from the shaft splines

Unscrew the three screws securing the bracket to the gearmotor

19. Remove the rod mechanism with the bracket.

We assemble and install the purifier in the reverse order.

In this case, we place the crank on the gearbox shaft according to the mark.

After installing a new wiper or replacing the gearbox, it is possible that the wiper blades, moving, will extend beyond the glass.

This problem cannot be eliminated by rearranging the brushes on the splines.

It is necessary to ensure proper operation of the cleaner by rearranging the crank on the gearbox shaft.