What to do if the window regulator on a VAZ-2110 stops working

Electric windows (EP) are one of the vehicle elements that contribute to more comfortable driving. Like any other electrical circuit component, EDs tend to break down periodically. What to do if a car window regulator does not work and for what reasons these components break - read below.

Components of the window lift system

What should I do if the right one does not work or both electronic devices fail? The window regulators may break, leaving them unable to lower or raise the windows. It is possible that the electronic device is jamming or sticking, but before you repair and disassemble the system yourself, you need to understand its structure. The unit itself works by controlling electric motors installed in the vehicle doors and designed to raise and lower the windows.

The system itself includes the following components:

• electric motors;
• switches located in the doors;
• wiring;
• glass

General structure of the ED system

Principle of operation

Why do the power windows not work or only the right window does not go up? To understand exactly why the malfunction occurred, it is advisable to familiarize yourself with the operating principle of the unit. Typically, such a system has a trapezoidal design, which allows the windows to be raised and lowered by pressing switches. The buttons themselves can be located in all car door cards or located only in the driver’s door. It is also worth noting that an electric motor is mounted in each door, which operates in two directions.

In addition, each system is equipped with a special relay, the purpose of which is to control the voltage supplied to the electric motors of the structure. Depending on the vehicle, some car models may be equipped with automatic switches that are installed separately for each electric motor. The use of such structural elements makes it possible to ensure normal operation of the entire system if the window regulator is poor on only one door.

Causes of malfunction

So, we gradually approached the issue of malfunctions. What if the window regulator cannot go down or up? Before you remove the window regulator, disassemble and repair it in your car, let's look at the main reasons. If the rear or front windows do not work, the reason may be either electrical or mechanical.

Detailed design of the EP system

Electrical faults

First of all, if the window regulator has stopped working, it is necessary to diagnose the safety element responsible for the functionality of the system. If you realize that the power window is not working due to a fuse, then you just need to replace it. But if the fuse is working, then you will need to measure the voltage at the electric motor terminals. This task can be accomplished using a regular 12-volt lamp or using a tester.

If you find that the driver's window or any other door does not work due to voltage, then you need to further check:

• wiring;
• relay;
• system control unit.

Sometimes a car owner thinks that the window regulator is broken if, after opening the window, it automatically begins to close until the key is turned in the ignition. As a rule, in this case the problem lies in the contacts, which should be cleaned. Much less often, but it still happens that repair of electric windows includes replacing or repairing a button.

Mechanical defects of the mechanism

If, after measuring the voltage, you realize that there is current in the system, but it does not go down or the window regulator does not work at all, most likely the problem is mechanical. As a rule, in this case, something is interfering with the device, so you will have to disassemble the door and look for the reason. Much less often, the reason lies in a failed electric motor (the author of the video is the channel In Sandro’s Garage).

How to raise the glass if the electric seal is broken - there are several options:

1. Purchase a window regulator repair kit and repair the device, after which you can fully use the system.
2. Try to grab the glass on both sides with your hands and pull it up. If the glass falls after being lifted, you will have to disassemble the door and place a support of the appropriate size under it.
3. If you can’t lift the glass with your hands, you can take a fishing hook on a fishing line and lower it into the door card. You need to try to pry the glass and lift it.

Mechanical problem

If voltage is supplied to the window lift motor, but the window does not move, it means that something is interfering with it, or the power window motor is faulty.

Why doesn't the window lift motor work? One of the reasons is retraction or sticking of the drive motor brushes. To check this, turn on the ignition and press the power window button while simultaneously knocking on the car door several times. The brushes will come off and the ESP will start working. How to repair the window regulator in this case? You should remove the motor casing and pull out the rotor. Clean off deposits where the brushes touch with fine sandpaper.

The power window does not work, you can hear a growling sound, but the glass does not stand still, or the window regulator is stuck. Perhaps the plastic gear in the gearbox has worn out, as a result it sticks tightly in the extreme closed position, or slips and therefore cracks. Is there a loud noise when the window goes up/down? Most likely the bearing in the window regulator motor is to blame.

The power windows have stopped working, but there is noise when you press the button, and replacing the motor did not help? The power window cable may have frayed due to overtightening. The window has opened, but the window regulator does not raise it back, but can it be raised and lowered by hand? The window lift cable broke or simply flew off the guides.

Another malfunction of the window regulator, when the glass seems to jerk, trying to close. Most likely the problem is that the glass is skewed, or something got on the rail or roller.

The power windows don't work well. Try to lubricate the window lift mechanism, as well as the glass guides. If this helps only temporarily, then try adjusting the glass and the window regulator itself.

If the window regulators operate slowly, try lubricating the window regulator mechanism and the window guides. Perhaps this is the maximum speed of their operation, so the only correct solution would be to replace them with new ones (see which ESP to choose).

Have you ever had to repair window regulators?

Instructions for replacing the electric motor

Repairing a window regulator may include different stages depending on the breakdown. In this case, we will tell you how to repair a window regulator by replacing its electric motor; as mentioned above, this problem is one of the most common.

The replacement process is considered using the example of a Lada Kalina car:

1. First you need to buy a new electric motor, which is sold in a housing with a gearbox. The door trim is dismantled - this operation cannot be performed in the cold, since the trim is fixed using plastic pistons, which will quickly break.
2. Unscrew all screws and other fasteners securing the inner handle.
3. All wires must be disconnected; for greater convenience, you can remove the speakers. After these steps, the glass, which is fixed in the guides, is unscrewed. In order for the glass to sink to the bottom, you need to unscrew four more screws; to do this, use a 10 key. There is a curtain at the bottom of the glass unit, which must be removed.
4. The window regulator itself is mounted on nuts and guides, the electric motor itself is secured with three more nuts. The block can be pulled out through the technological holes in the door. If you disassemble the gearbox, the electric motor will fall apart into two parts. In general, the gearbox must be dismantled and replaced with a new one, further reassembling in the reverse order. The gear cable should be lubricated before use.

Video “Replacing ED at home”

Learn more about how to replace a window regulator in a car with your own hands in the video below (author - channel In Sandro's Garage).

VAZ window lifter repair

As a rule, if the window regulator on a VAZ 2110 does not work, this does not come as a surprise. Unfortunately, these designs are not able to boast of their reliability. If the power windows on the VAZ 2110 do not work, you will have to repair them yourself. Of course, you can replace this device with a new one. Moreover, today there are many varieties of ESPDs sold on the market. But why waste extra money, especially since if the VAZ 2110’s power windows don’t work, they can be easily repaired.

How to easily change window regulators on a VAZ 2110?

Domestic-made cars VAZ 2110 have long won the sympathy of our compatriots. Despite all the shortcomings that the “tens” have, these cars have become one of the most popular models of the Russian automobile industry. In VAZ 2110 cars, the window regulator (SP) is one of the most unreliable devices, which is due to frequent breakdowns of the SP in practice. You can learn more about the repair and replacement of joint ventures from this material.

Why is repair needed?

You have to resort to window regulator repair for various reasons. And most often the cause of the malfunction lies in the electric motor. This is explained by the fact that the engine housing itself is not sealed and moisture can enter it. As a result, rust appears inside, which destroys the mechanisms. If the window regulator does not work on a VAZ 2114 or another model, it is recommended to start repairs by disassembling the door. But first, let's look at the types of lifts used today:

• rack and pinion windows, which are considered the most reliable of all others;
• Cable SPDs, which are installed standard on VAZ models;
• plank SPD.

Depending on which manufacturer produces ESPDs, they can be installed in standard locations without much modification. If they don't fit, then it's okay. The window regulator can be easily rebuilt. In addition to the fact that SPDs differ in type of design, they can also have different motors. Thus, an electric motor of domestic or imported production can be installed on window regulators. It is because of this that the difference arises between SPDs, which may have:

• different speeds of lowering and raising the windows;
• different noise levels during operation;
• ability to work in winter conditions, etc.

Design features of window lifters "Tens"

What is the electric window circuit in the VAZ 2110, for what reasons does the engine or the SP control unit not work, how to replace it and how to connect the device? First, let's look at the design features of the joint venture, which may vary depending on which specific doors they are used in.

Despite these differences, joint ventures for the most part consist of identical elements; let’s look at the example of electrical systems:

1. Gear motor or drive. Taking into account the electrical circuit, this device provides the signal necessary to raise the glass.
2. Grooves. These constituent elements are located on the inner surface of the door frame. The main purpose of the grooves is to hold the glass in a certain position and prevent it from tilting.
3. Rails. Rails are used as guide elements used to move glass. These components are installed in the door body.
4. Lifting mechanism with gears.
5. Seal. The rubber seal allows you to limit the movement of the glass up or down.
6. Wiring. Its diagram may differ depending on the type of joint venture, but in any case, it is through wiring that signals are transmitted from the control unit to the gear motor.
7. The control unit itself has buttons that transmit an impulse about the need to open or close the glass.

Separately, it is necessary to say about the drives - depending on the type of joint venture, the drives can be different:

1. Mechanical type devices. Mechanical devices are structurally composed of ordinary elements, several gears and a handle. In order to move the glass to a certain position, the driver or passenger will have to turn this handle clockwise or counterclockwise. A load will be placed on the drive shaft, which will allow the glass to be raised or lowered.
2. The drive can also be electric. An electrical device has a more complex structure compared to a mechanical one. The design of such a joint venture includes a gearbox, drum, control module, etc. As mentioned above, an electrical circuit is used to connect all components, which must always be in working order. Once connected, the system is controlled using the buttons on the unit.

It should be noted that the joint ventures themselves can be subdivided according to the types of the lifting mechanism itself. Cable mechanisms were the first to be used, but over time, due to multiple disadvantages, such as slow operation and low service life, they were replaced by rack and pinion mechanisms. Unlike cable ones, rack and pinion ones work much faster, but louder, and their service life is much longer due to the reliability of the design (the video was shot by Artem Aver).

Repair

Repairing this mechanism, as mentioned above, is not difficult if you know the design and operating principle. In particular, let's consider the ESPD mechanism itself, which is not a gear reducer, like mechanical varieties. In electric front door lifting mechanisms, only a drum is used. It is into the hole of this drum that the gear motor shaft is inserted. The gearmotor itself consists of a worm-type gearbox, as well as an electric motor that runs on current from permanent magnets. The design of this gearmotor is similar to the design of the windshield wiper device. As for the direction of the current in the armature winding of this gearmotor, it is reversible. And the built-in thermobimetallic fuse perfectly protects it from overloads.

Door ESPD connection diagram

To be precise, the ESPD circuit consists of:

• block;
• front door ESPD switch;
• ESPD gearmotor;
• ignition switch;
• relay;
• external lighting switch.

So, let's begin the repair process:

• disassemble the upholstery, remove the window regulator (how to do this was written above);
• You now need to remove the cable part from the motor mechanism;
• completely remove the cable from the reel;
• unwind it.

Note. You will need to carefully inspect the splines, which are often worn out. In addition, if the splines remain like this for a long time, they deform the landing cylinder, which creates a huge load on the gearmotor motor.

• grind the protruding parts of the cylinder on a milling machine;
• we restore the roundness of the cylinder.

Note. In this case, you will need to ensure that the bulges on the back side of the cylinder, which appeared due to the rotation of the drive shaft, are ground off.

• We take a two-millimeter steel plate, from which we cut out a circle of a suitable size;

Cut a circle from a metal strip

• after this you need to mark the stiffening ribs on the circle;
• We put the plate in place.

Note. It is desirable that the plate fits tightly and with some effort.

• Assemble the coil in reverse order.

There is no need to attach the plate itself additionally to the coil, because it already sits securely. And the design of the ESPD body itself is made in such a way that it does not allow the plate, even a homemade one, to become loose and fall out. As for turning the plate, everything is reliable here because of the stiffening ribs. Let's continue:

• wind the cable onto a reel;
• install the cover.

Note. Do not forget to thoroughly lubricate the cable with some kind of lubricant, for example, lithol or grease.

• put the cable in place, tightening it a little using a special bolt;
• Now all that remains is to install the ESPD in the door.

Usually this is enough for the glass to go down and up normally again. The speed of glass lifting may even increase compared to what it was before the repair. After all, restoring the roundness of a cylinder, especially an ESPD that has been in operation for a long time, will only be beneficial. Its friction and resistance to the engine are reduced, and this, in turn, has a positive result. It is recommended to watch this video before starting work.

We recommend starting your search for a problem by classifying it, thereby narrowing the list of causes to two groups:

What is ESP

An electric window lifter (ESW) is installed in the inner cavity of the door, fixed to its body or subframe. It consists of three main parts:

• drive mechanism (gearmotor);
• control systems;
• lifting mechanism.

The drive mechanism creates the force necessary to move the glass. It is a small unit that combines an electric motor, gear and worm gears. Such a device provides blocking in the event of an attempt to mechanically press the glass in the opposite direction. A lifting mechanism, which can be a cable, lever or rack, is responsible for moving the glass.

Cable

This type of window lifter is essentially a flexible element: different manufacturers offer their own versions - it can be a chain, cable or toothed belt. The cable is tensioned inside the door between the rollers, and its movement is ensured by the drive drum.

Cable glass lift

When the drum rotates, the cable is set in motion - one end unwinds and the other winds up. The flexible chain is connected to the glass by a plate.

Lever

The design of this window lifter is radically different from the cable lifter, and consists of a lever, a slider and a glass fastening plate. There can be two levers; they move the glass more evenly.

Lever window lift

From the drive mechanism, rotation is transmitted to the wheel, which interacts with the lever. If the design has two levers, then there are also two wheels. Accordingly, the price of such a lift is more expensive.

Rack and pinion

This mechanism is the simplest - it is a toothed metal rack with a guide plate that connects to the glass. The movement of the plate is provided by the drive mechanism, the gear of which interacts with the rack. The glass itself moves in the door body on special rails. The rack and pinion design is quite simple and is characterized by a stable speed of glass movement. Rack and pinion window lifters are ideal for the VAZ 2109 and other domestic cars of this type.

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Connection diagram for power windows on doors on cars of the VAZ 2110 family: 1 - mounting block; 2 — ignition switch; 3 — right front door power window switch; 4 — right rear door power window switch; 5 — gear motor for the electric window of the right front door; 6 — gear motor for the electric window of the right rear door; 7 — gear motor for the electric window of the left rear door; 8 — gear motor for the electric window lifter of the left front door; 9 — left rear door power window switch; 10 — left front door power window switch; 11 — relay for turning on electric windows; A - to power supplies; B - to the instrument lighting switch; C - the order of conditional numbering of plugs in the power window blocks

If the window regulator malfunctions, for example, when you press a button, the window opens, but does not lock and immediately closes itself. Or the button stops working until you turn the ignition off/on. The cause of the problem is the button. It should be removed, the contacts cleaned, and replaced if necessary.