The windshield washer does not work: the main reasons


Very often, the washer container in a car can crack and burst, since the material for it is plastic. If it cracks along the seam, the washer fluid will leak and result in a damp spot. It is not practical to repair the systems, so it is best to go to the store and buy the same new one. But to replace it, you still have to work on it yourself. How to remove the washer reservoir, how difficult is it, what is the fastening and procedure? The answers to these questions can be found in this article, without visiting a car service center. Different brands of cars require almost the same procedure, but it differs in some ways.

Design features of the washer reservoir

A tank with water or “anti-freeze” is a white container installed in the engine compartment and intended for storing washer fluid. Moreover, the tank itself is one of the elements of the windshield washer system.

In addition to this, the device includes the following components:

  • Washer jets (nozzles).
  • A pressure pump that pumps liquid to the windshield from a container.
  • Tubes between the jet and the motor (they supply water or an antifreeze compound).
  • A special sensor that monitors the fluid level in the system and issues a corresponding signal to the driver.
  • Mounting bracket, as well as tank plug.
  • Special tee.

Tank selection

Many drivers claim that the base part is made of rather fragile plastic, unsuitable for intense loads, sometimes cracking even from severe frost. In this regard, the rational solution seems to be the purchase of an analog part.

The main thing is to make sure of compatibility in advance. Some tanks may initially lack holes for connecting the pump nozzles, but special “blanks” may be provided that allow for quick installation. Purchasing such spare parts is also a financially justifiable decision; they cost less than the originals.

The original tank is quite expensive, but there is a replacement from SAT (ST-DTU2-101-A0). But it does not have a hole drilled for the high pressure pump for the headlight washer. We'll have to improve it.

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Do-it-yourself troubleshooting

The main reasons for the lack of washer fluid can be eliminated with your own hands.

Cleaning the injectors

Their replacement and cleaning occurs in the same way and it begins with the removal of these parts, the process is as follows:

  • open the hood;
  • make sure that they have plastic plugs; if they are present, they must be carefully removed;
  • take a flat-head screwdriver and open their spring fasteners to remove the injectors.

Installation of new parts occurs in the reverse order.

To wash the injectors and free them from dirt, you should prepare a special cleaning solution of non-chlorinated water and vinegar, taken in equal proportions. The mixture is mixed well and then poured into the tank. After which you need to press the washer lever, even if the water does not reach the glass, it’s okay. So that the components of the solution have time to break down all the contaminants, you need to leave it in the cleaning system for 2 hours, and then press the lever again. After the dirty solution flows out of the nozzles, rinse the hoses with distilled water.

For sprayers that are too clogged, you need to prepare a wire and, after disconnecting the hose, insert it into the nozzle up to the nozzle.

Replacing the motor

It is quite difficult to repair the motor yourself, so most often it is simply replaced.

Installation of a new device is carried out as follows:

  • remove all liquid remaining in the tank from the tank;
  • disconnect the contact between the battery and the pump;
  • if necessary, you can dismantle the tank, but if manipulations can be carried out with a fixed device, then you don’t have to do this;
  • remove the electric pump from the tank and unscrew all the hoses going to it, but just remember their location so that after repair they can all be returned to the correct places;
  • connect a new pump to the system;
  • screw all the tubes;
  • connect the battery to the motor;
  • pour liquid into the reservoir.

Check the operation of the motor by pressing the washer lever; if you hear a whirring sound from the pump, then everything went well.

Where is the washer fluid container located?

Novice car owners often do not know where the washer reservoir is located. They often confuse it with a coolant or brake fluid container. In fact, finding the tank you are interested in is not difficult.

Let’s say in VAZ cars it is located under the hood, on the left or right side of the engine, depending on the model, and there may also be two of them, on the rear and front windows. And on foreign cars it can be located under the front bumper.

If the level of water or antifreeze in the tank is insufficient, it is enough to top up. But what to do when the windshield washer reservoir bursts? In such a situation, the only salvation is to replace the failed device.

How to replace the washer reservoir:

Lift the hood and find the sensor that monitors the washer fluid level (not found on all cars). Disconnect the connector that fits this device. Also, disconnect the connectors from the wires from the electric pump that pumps up the washer fluid. At the same time, remove the wires from both pumps - for the windshield and for the rear.

Device Features

There are new and old motors. The latter can be found on Soviet cars, or on VAZ 2107, 2108, for example.

Most cars, including the VAZ 2109, 2110, 2114, as well as foreign cars Mitsubishi Lancer, Pajero Sport or Ford Focus, already use new types of washer motors (pumps).

The main components of the washer are:

  • nozzles;
  • pump (motor);
  • reservoir with washer fluid.

Nozzles are used to supply water to the windshield of a car. Therefore, they should be positioned so that the outgoing stream of liquid hits the center of the headplate as much as possible. The pump supplies water to the tank. By the way, on some cars, wash water is supplied not only to the windshield, but also to the main headlights in front and behind.

It doesn't matter what kind of car you have. It could be a Priora, a Hyundai Accent, some Mazda or Toyota. All the washer motors work on the same principle. Although the device, characteristics and appearance may vary.

Pumps supply water or washer fluid. If the windshield washer does not work, most likely the reservoir or the nozzles themselves are broken. They can be replaced or repaired yourself.

If the pump breaks, the task is a little more difficult. It is important to immediately identify the problem and fix the breakdown. Driving a car, especially in bad weather, when the windshield wiper does not work, is dangerous.

Causes of malfunctions

Don't rush to blame the engine for everything. It may work, but the windshield wiper does not function for other reasons.

Let's look at the key reasons why our wipers stop doing their job.

  • Clogged filter or nozzle. Frequent breakdown. Especially for those who use tap water instead of special washer fluid. To solve the problem, you need to dismantle the devices and flush the system. The work is not difficult, but delicate;
  • Supply hoses. They wear out over time, lose their tightness, and burst. Everything is simple here. Remove the old hoses and install new ones. Their price is cheap even on foreign cars;

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How and what to fill in the washer reservoir?

Above we looked at how to remove the washer reservoir, check the system sensor and change the container (if it is damaged). But there are situations when the container body is intact, and the only thing that needs to be done is to add liquid.

In such a situation, proceed as follows:

  • Pull the hood handle located in the cabin.
  • Open and secure the hood.
  • Unscrew the cap that is installed on the tank. In this case, unscrew only the cover that does not have wires.
  • Add liquid (water or anti-freeze). If the container is empty, it holds about five liters.

An equally important question is what to put in the tank. It is important to consider the time of year here. So, in winter it is recommended to pour non-freezing liquid, which will protect the system from freezing.

Watch the video on how to remove the washer reservoir.

As for the summer period, water with the addition of a cleaning additive is suitable. To ensure the best effect, first pour the additive into the container, and then add water. With this sequence, the liquids mix more easily and quickly. Good luck on the roads and of course no breakdowns.

Pump repair or replacement?

The feasibility of repair is determined by the cost of a new pump. A large number of pumps are non-separable, so for repairs you will have to cut them and then glue the plastic case together. To repair it yourself, it is enough to completely disassemble the motor, clean its insides from dirt, corrosion and growths.

Of course, you won’t find spare parts for the washer pump, so the sealing lip will remain old. If it was this that caused the jamming, then within a year the windshield washer will most likely not work again.

How to remove and wash injectors

The windshield washer nozzles are held in place by plastic clips. To remove the injector without damaging the body, check its number in the original spare parts catalog. By finding a photo of the injector by number, you will see exactly where the latches are located. You can remove the nozzle with a thin slotted screwdriver.

For cleaning, you can use a needle smaller than the diameter of the sprayer hole. We recommend that you first leave clogged injectors in a citric acid solution for some time. After soaking, the deposit can be removed using carburetor cleaner or compressed air.

Driving a car turns into torture if the windshield is covered with streaks of dirt. Trying to see what is happening ahead, the driver gets tired and has less control over the situation on the road. And the wipers scratch the glass, spreading abrasive dirt over it. Let's look at the most common faults. Perhaps, after reading this article, you will be able to independently cope with diagnostics and repairs right in the yard of your home. Let’s discuss several points at once so as not to repeat ourselves many times in the future:

  • a description of the method for finding the cause of the malfunction will be presented continuously. That is, we will assume that the breakdown has not yet been fixed. If everything works for you, complete the repair.
  • If any actions are beyond your competence or the necessary tools and spare parts are not available, go to a store or car service center.

Instructions for removing the reservoir and washer pumps on the Lada Kalina

For this type of work, we will need a flat-blade screwdriver and a regular 10mm wrench. It will be necessary to unscrew one nut and one fastening bolt. We pry the pumps up with a flat screwdriver or even just pull them up with our hands and they are easily removed from the housing. Then you will need to disconnect the clamp that holds the hoses together. If this cannot be done, then you can simply cut it and then fasten it with a new one (they are sold in packs and cost mere pennies).

Now, after the bolt and nut are unscrewed and the pumps are removed, you can safely remove the tank itself. The photographs below show everything clearly, and everything is marked with arrows. To enlarge just click on the image:

If you also need to replace the pumps, then after removing them, disconnect the two hoses and power wires. When connecting new ones, keep in mind that the pink wire is positive and the black wire is negative.

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Do-it-yourself troubleshooting

The main reasons for the lack of washer fluid can be eliminated with your own hands.

Cleaning the injectors

Their replacement and cleaning occurs in the same way and it begins with the removal of these parts, the process is as follows:

  • open the hood;
  • make sure that they have plastic plugs; if they are present, they must be carefully removed;
  • take a flat-head screwdriver and open their spring fasteners to remove the injectors.

Installation of new parts occurs in the reverse order.

To wash the injectors and free them from dirt, you should prepare a special cleaning solution of non-chlorinated water and vinegar, taken in equal proportions. The mixture is mixed well and then poured into the tank. After which you need to press the washer lever, even if the water does not reach the glass, it’s okay. So that the components of the solution have time to break down all the contaminants, you need to leave it in the cleaning system for 2 hours, and then press the lever again. After the dirty solution flows out of the nozzles, rinse the hoses with distilled water.

Replacing the motor

It is quite difficult to repair the motor yourself, so most often it is simply replaced.

Installation of a new device is carried out as follows:

  • remove all liquid remaining in the tank from the tank;
  • disconnect the contact between the battery and the pump;
  • if necessary, you can dismantle the tank, but if manipulations can be carried out with a fixed device, then you don’t have to do this;
  • remove the electric pump from the tank and unscrew all the hoses going to it, but just remember their location so that after repair they can all be returned to the correct places;
  • connect a new pump to the system;
  • screw all the tubes;
  • connect the battery to the motor;
  • pour liquid into the reservoir.

Check the operation of the motor by pressing the washer lever; if you hear a whirring sound from the pump, then everything went well.

Removal instructions

The washer reservoir can become damaged for various reasons. If frost sets in and you forgot to fill in the frost-resistant liquid, in the morning there is a chance to see a burst container under the hood that will have to be replaced. The quality of the washer fluid is also not the best, which can lead to the same result. Regardless of the reasons, the burst reservoir must be removed from under the hood. This job has its own procedure, which differs depending on the make of the car. The fastenings can be either different or similar, and for work most often you need a flat-head screwdriver, as well as 10 and 13 keys.

Repairing an old tank is possible, however, the money and time spent on it are not always worth it. To put it more clearly, even a repaired tank will not perform all the functions assigned to it, it will look less aesthetically pleasing, and the service life after repair will still be reduced, because the wear of the plastic can be great. If possible, you should not neglect repairs. For older cars, repairs are acceptable; everything will work fine until it wears out completely. If you do not want to give preference to repairing this part in your car, it is best to go to the store.

There is a good chance you will find a tank that will fit your car according to its characteristics, and will be even larger in size. If the product is not the original model, it will be even cheaper, and in terms of characteristics – no less productive. There are tanks with a sensor for washer fluid and they are not difficult to buy. If the fasteners match, then the new system can be installed, even if its shape is slightly different from the original system previously installed in the car. If you want to maintain the make and equipment of your car, look for a tank that looks the same as yours.

How to remove the washer reservoir on a Lada Kalina?

What will be needed to replace the washer reservoir? To work, take a flat-blade screwdriver and a 10mm wrench.

  1. The first stage is unscrewing one nut and mounting bolt. The pumps can be removed with a screwdriver or simply by pulling them by hand. Next comes the clamp, which serves as a hose fastening. If it cannot be removed, then you can cut it and then install a new one - such hoses do not cost much. Note: before starting work, water or other liquid must be removed, as it may spill during the removal process.
  2. Once you have unscrewed the nut and bolt fastening, you can remove the container itself. During the procedure, you can replace worn-out pumps, hoses and wires by installing new ones.

Windshield washer does not work due to electrical reasons

The windshield washer pump is powered by electricity. If it is not supplied, it will not pump water and transfer it to the nozzles. The following causes of electrical washer malfunction can be identified:

  • Faulty fuse. To make sure of this, you need to find the fuse box and determine which one is responsible for the operation of the washer. A failed fuse can be diagnosed visually or experimentally. If you are not sure that the fuse is not working, install one of the identical unit fuses in its place, and then make sure that the washer is working or not by drawing conclusions about the condition of the fuse.

  • The problem is in the command transmission chain from the steering to the washer. If the washer switch is broken or the command from it does not reach the mechanism, you should check the circuit for breaks. Before you begin, make sure there is no voltage at the washer pump terminals. To do this, turn on the device and check the voltage with a multimeter. If it is missing, you will have to look for the break in the wiring.
  • Faulty pump. During operation, the pump terminals, if water gets on them, can oxidize and become faulty, causing the washer to stop working. If there are traces of rust on the terminals or contacts, clean them.

The reasons why the windshield washer does not work are most often obvious. The mechanism contains a minimum of components, and the most unpleasant malfunction can be considered an electrical circuit break, the search for which may require the services of specialists, while the driver can fix all other problems on his own.

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