Dimensions of alternator belts on Priora and their choice: circumference of products for the VAZ-2170 in different configurations

Description of the alternator belt

Worn car RG

Regardless of the length of the generator belt, two types of belts can be used to ensure the operation of the device drive:

1. Wedge-shaped. Traditional RG, used mainly in cars produced earlier. Operation of this type is relevant in vehicles in which the drive from the crankshaft is carried out only by the device itself. A significant disadvantage of such a RG is that during its operation there is a high probability of slipping. A more advanced version of the wedge version is the serrated one, characterized by a wedge-shaped profile as well as teeth on the inside.
2. Poly-wedge. Another type of RG, which has recently been used much more often, is poly-wedge or multi-stream (multi-stream). Regardless of the number of the alternator belt, the width of the alternator belt will be larger, but at the same time thinner. This, in turn, allows for greater flexibility. Such a RG was named multi-stream due to the fact that there are several rows of furrows on its inner side. Due to the fact that this type of RG is more flexible, it is usually used not only to drive a generator, but also other components - power steering, compressor, air conditioner, etc.

Regardless of what type the generator drive belt is, they are all manufactured according to the same principle. It is based on specialized rubber. Also, the design of such RGs includes several layers of strong reinforcing thread.

Typical faults

Unusable strap

Possible problems that may occur with the WG:

1. Replacing the alternator belt sometimes occurs due to a break, although this does not happen so often, because it takes a lot of force to break the strong threads. This problem may appear as a result of jamming of one of the components to which the RG is connected. For example, this may occur as a result of failure of the device bearing.
2. Wear is another reason why the alternator belt is replaced. As a result of long-term use of the strap, its profile begins to decrease due to constant friction, as a result, the WG slips more often. This leads to the fact that the transmission force is reduced and over time the generator becomes unable to generate the necessary energy.
3. Delamination 0 is a malfunction that usually occurs as a result of damage to the shafts. When the geometry of this component is disrupted, on one side the strap wears out heavily and the reinforced thread begins to extend beyond the edges of its rubber. The cause of delamination can also be the use of low-quality material during production.
4. An equally common problem that requires replacement of the alternator belt is sagging, which is caused by wear. Wear leads to an increase in the diameter of the RG, weakening, and slippage of the component. Subsidence can also occur as a result of using low-quality material in production. In addition, the physical characteristics of the rubber can change as a result of lubricant getting on the strap, which can also cause sagging.

Many owners are interested in the question: why does the alternator belt whistle? If the whistling of the alternator belt appears only when you start the engine and disappears after a few seconds, there is nothing to worry about. This usually occurs in wet weather and is a sign of humidity. But if the squealing and whistling, as well as squeaks, do not disappear over time, then this indicates slippage. Accordingly, the reason may be subsidence or wear.

Possible faults

If the Gazelle generator malfunctions, the operation of all electrical devices is disrupted, and the battery
is not recharged. A special indicator on the dashboard informs the driver about the breakdown of this part. With such a malfunction, starting the engine and moving the car is still possible, but until the battery is completely discharged. It is impossible to drive such a car in the usual way.

The main malfunctions of the generator include the following: violation of the integrity of the charging circuit wires, failure of bearings, damage to the diode bridge, short circuit of the stator winding, breakdown of the voltage regulator, wear of slip rings, excess wear of brushes.

Generator

“Gazelles”, like any car mechanism, can have both mechanical and electronic damage. Therefore, both the method of repairing the breakdown and the types of operations are different.

Mechanical damage includes wear and damage to rolling bearings, springs, damage to the integrity of the housing, pulley and drive belt.

Faults that are called electrical include breakage of the stator winding, cracks and wear of brushes, breakdown of the relay regulator, melting of the insulating coating of the turns, and interturn short circuits.

In case of any of these types of breakdowns, the generator

The car does not fully perform its functions or completely fails, which affects the operation of all electronic devices and the engine as a whole.

Checking the condition of the alternator belt

The average service life of a drive belt is about 50 thousand kilometers, but this figure is significantly influenced by the conditions of use. To check the alternator belt, you should first diagnose the tension. In operating condition, the RG should only sag a short distance, which is regulated by the machine manufacturer. If you don't know how to tighten the alternator belt, check out this article. The installation diagram is described in detail here, so you can learn how to change the alternator belt if necessary.

It is also necessary to assess the condition of the RG for wear or mechanical damage. If you see that the RG begins to delaminate and there are traces of fuel and lubricants on it, then you need to remove the alternator belt and replace it with a new one. The selection of a new strap is carried out in accordance with the model of the vehicle, as well as its type.

Disassembly

This section describes a step-by-step process to help you disassemble the generator

"Gazelle".

So, first you need to remove the plastic protective cover from the case. Then unscrew the brush block and the voltage regulator, having first disconnected the wiring from it. The belt tension is weak, the generator belt is a gazelle. Generator replacement. Next, you should unscrew the four tie rods of the generator housing and remove the housing cover together with the stator. Then, having disconnected the winding terminals from the diode bridge, you need to remove the stator, and, if necessary, the diode bridge itself.

You can carry out the process of diagnosing generator parts using measuring instruments: E236 or a special test light.

Replacement instructions

How to replace the alternator belt with your own hands?

Let's look at the process using the VAZ 2108 as an example:

1. First, the strap is dismantled. To remove the RG, you will need to loosen the fixing nuts at the bottom and on the tensioner itself. During loosening, the generator itself should be moved towards the motor, after which the loosened strap is simply removed from the shafts.
2. How to install the alternator belt? In this case, there is nothing complicated - the process of installing the belt is carried out according to the same scheme. The strap is installed on the pulleys, after which the generator is simply moved away from the power unit using a pry bar.
3. The tension should be maintained using a crowbar, while the nut on the tensioner should be tightened. Next, you need to tighten the nut and check the installation process. If after replacement there are no extraneous sounds when starting the engine, then the procedure was carried out correctly. If there is a whistle, tighten the strap.

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Support mechanisms

The alternator belt, due to its large size, wears out over time. This is expressed in a gradual violation of its tension. And as a result of weakening the tension, the adhesion of the belt itself to the rollers, which are installed on additional units and the crankshaft, weakens.

The tensioner roller has a relatively large diameter. Thanks to this diameter, it was possible to achieve a lower rotation speed and, as a result, less wear on the idler roller and tensioner mechanism. Of course, the diameter may vary depending on the make and model of the machine, and exact information on the size and other parameters can be obtained from the name of the component or from the service documentation included with the machine.

For this purpose, a special plunger of small diameter and size was introduced into the tension roller of the generator belt, which has a spring and an adjusting bolt. While the bolt is tightened, the generator belt roller is rigidly fixed and is not subject to any extraneous loads.

Once the bolt is loosened, the small diameter and sized plunger spring is released and the full force of the spring is applied to the alternator belt, changing its characteristics. Due to this, the belt comes into a working position, and its characteristics and size are restored. The bolt must be tightened and its next adjustment made after a year, if the mileage is sufficiently large.

Alternator belt sizes

#1 BAPE

• Users
• 47 messages
• Registration 30-August 12

Tell me where to find the alternator belt, but it’s a couple of centimeters longer, so it turned out that mine broke and I threw it away without checking the size. the gene adjustment bolt was at the very bottom, when I started installing a regular VAZ belt, it didn’t fit. I can’t move it to the maximum, one part of the gene rests against the engine

I remind you that the usual 938, and the Volgovsky 1025 is very long

Read also:  Same from the face: which is better - LADA Vesta or LADA Xray

#2 Papa

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• 716 messages
• Registration 23-February 12

#3 WAZ

• Moderators
• 5,675 messages
• Registration 27-Jan 08

#4 BAPE

• Users
• 47 messages
• Registration 30-August 12

#5 maxsinner82

• Users
• 581 messages
• Registration 06-March 10

I created this topic because I often do modifications to my machine. The installation of the alternator made it clear that the original belt was too long, and the Moskvich belt, on the contrary, was short. I had to take an old belt and run to several stores. I found something, but forgot the size (I'll see when I get to the car). Maybe someone has access to belt catalogs or there is another practice. Let's drop here verified information about the sizes of mono-V belts that are on sale. Information on which car this belt is installed on is also desirable.

Installing a dynamo on the engine

Installation on the engine is carried out in compliance with a certain technological process.

First, unscrew the fastening nuts of the generator brackets to the crankcase. Next, install the dynamo and secure the front mounting bolt. Then we move the front bracket and achieve alignment of the crankshaft ratchet with the drive flywheel of the part and the pump drive. By moving the bracket, we achieve elimination of the gap between the generator loop. Install the rear mounting bolt and firmly tighten the mounting nuts of the brackets to the engine crankcase. Next we put on the belt

drive onto the pulleys and tighten it using a tension bracket. We carry out a control check of the tightness of all threaded connections. We connect the part to the car's electrical network and put the terminals on the battery.

Therefore, solving such an issue is not particularly difficult, and besides, the process itself takes a small amount of time. You can save a lot on auto mechanic services.

Car alternator belt - everything you need to know about it

Hello dear car enthusiasts! Each of us really wants the car to always work properly and not create problems. Natural desire. But, in addition to desire, the driver must perform certain vehicle inspection procedures.

To do this, you need to monitor the technical condition of each unit, as well as know the vulnerable spots of the car. Areas of special control in the car include: fuels and lubricants, technical fluids, oil seals and boots, as well as the alternator belt.

Modern production technologies and advantages of Bosch components

The use of high-quality synthetic materials in the production of Bosch belts allows for reliable operation of the drive system and long service life. In research centers, scientists and developers are using the latest polymer bases, and are also developing methods for connecting different structures into a single external form. Bosch produces both poly-V-ribbed and bevel-toothed belts, which provide a high coefficient of friction and transmission of the required torque. The engines of modern cars are becoming more and more compact. Reflecting this trend, manufacturers are increasingly eliminating tensioners in accessory drive systems, preferring to use high-tech multi-V belts with an elastic backing. They have become a suitable technical solution and are used in many modern car models.

As a company with direct contacts with engine developers and car manufacturers, Bosch has the most up-to-date information on the technical requirements of drive systems. That is why the characteristics of Bosch belts clearly correspond to factory parameters.

Taking into account the specifics of vehicle operation, the temperature and chemical stability of the materials used in the manufacture of belts is taken into account. Bosch components perform just as reliably in the hottest climatic conditions of the equator as in the polar latitudes

In the latter, maintaining the vehicle’s energy balance is a primary task for service station repairmen. Over many years of operation around the world, Bosch drive belts confirm their best qualities. In addition, Bosch belts meet the highest demands on wear resistance. This ensures uninterrupted operation of the auxiliary drive system for a long time.

Article: 2107-1308020Р, additional articles: 10х944, 2101-1308020

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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.

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What wheels are suitable for the VAZ 2107 in a non-standard version?

AvtoVAZ allows the following options for replacing wheels on a VAZ 2107

• If a driver wants to replace all 4 standard wheels on a car, and their starting radius was R13, he should consider stamping or casting with dimensions of 5.5 J x 13 ET32 or 6.0 J x 13 ET32, which will be especially convenient for installation winter tires, which should be slightly wider than summer tires in order to increase the specific grip area on the road surface. Tires suitable for this size are 175-195 / 70-80 / R13.
• When a car enthusiast prefers a radius of 14, but for some reason is not satisfied with the factory size
  , he has the opportunity to apply
  size
  6.0J to his Lada. × 14 ET32 and tires up to 195 mm wide and at least 60 mm high. These characteristics are so universal for VAZs that you can put all-season tires on them and not spend extra money on seasonal shoes.
• When a car owner installs an R15 radius, he must still stick to the factory dimensions, changing the rim width to a maximum of 6.5 J or the overall tire size to 205/50 / R15, because otherwise he will not be able to do without modification. suspension, or the service life of the vehicle will be significantly reduced.

In some cases, some motorists choose to wear R16 or R17 alloy wheels on their 7s, but this inevitably increases the overall wheel width and offset (ET). This leads to the need to strengthen the suspension elements and use low-profile tires, which do not work well on country roads or in winter.

Review of the best summer and winter tires

It's a good idea to buy two sets of tires. For winter it is better to buy studded ones. Michelin Latitude Sport 3 is a good option for summer. It has good stability regardless of the quality of the road surface and makes it easier to overcome even heavy mud.

Nokian Hakka Black has a relatively high cost. However, compared to others, it performs well in the long term. Even with heavy driving it can easily withstand more than 5 years.

General Altimax Sport. A relatively inexpensive option for use in the warmer months. Even at high speeds this tire model is practically inaudible. Allows you to easily move at speeds up to 190 km/h.

FULDA KRISTALL MONTERO 3 has an unusual appearance. The deep tread and the presence of a large number of longitudinal grooves allow you to move through puddles at high speed. Hydroplaning is excluded.

PREMIORRI SOLAZO. This is a tire that allows you to move without problems even in difficult road conditions. The low weight of the tire saves fuel.

The choice of winter tires should be taken more seriously. With a limited budget KAMA 505 Irbis. good decision. The protector deteriorates quickly. However, this point is fully justified by the low cost of the model. Positioned as all-season.

Nokian Hakkapelitta 8. modern tire for passenger cars. It differs from analogues in reliability and maneuverability.

Nordmaster tires have an original tread pattern and a number of other important advantages. The presence of studs allows the driver to feel confident on asphalt and ice.

A distinctive feature of the TungaMaster is the presence of solid ribs in the design. They provide rigidity, but at the same time ease of movement of the car.

READ What is the fuel consumption of the VAZ 2107

Atmel CordiantPolar. a classic solution with excellent technical characteristics. A good solution for winter. Reliable and inexpensive tires.

Use recommended tires. guarantee of road safety. It is important to monitor the condition of the tread and the level of pressure inside the wheels. This will avoid problems on the road and make driving easier.

Interchangeability

Drive belts made to different standards are not always interchangeable. We talked in more detail about the possibility of replacing V-belts manufactured in accordance with ISO with analogues marked according to RMA (and vice versa) in the previous material. We recommend that you read the corresponding table at the end of the article.

In the case of replacing domestic belts produced in accordance with GOST with analogues marked in accordance with ISO, everything is much simpler: with the exception of the maximum/minimum permissible length, their geometry and dimensions are completely the same, and the appropriate size can be selected using the appropriate marking. The profile type marking correspondence table looks like this:

If you are not completely sure of the correct selection, we recommend seeking help from specialists who will independently select a drive belt with the required parameters and compliance with a certain standard.

Excessive tension

A very strong tension will also not lead to anything good. An increased load appears on various rubbing parts of additional mechanisms. The first sign of constriction is an unpleasant hum. Most often, the generator belt tension roller makes noise. But this is the least of the troubles that can happen. It is much worse when the bearings of the generator, air conditioning compressor or power steering, or the bushing of the water pump begin to make such noise. In these cases, repairs will be much more serious and expensive.

Therefore, adjusting the tension of the alternator belt is a very important element in vehicle maintenance. Even if automatic tensioning is installed, such as on the J20a engine or Peugeot 306, it is necessary from time to time to check the special marks on the belt tensioner housing, indicating the time for replacement if necessary.

Why does the whistle occur?

There are several reasons why the characteristic whistle-like sound occurs.

1. Weak tension. The element slips, and this happens most actively at night. The increased intensity of the whistle at night is explained by the fact that the generator additionally works for lighting.
2. Gradually the component is destroyed. The belt can dry out, causing its structure to be disrupted and it literally crumbles into pieces. The first signs are cracks, and then whole pieces break off. When moving, the pulley hits and slipping begins. Only replacement is required here.
3. Although moisture gets on the belt very rarely and evaporates almost immediately, the connection can still whistle. In this situation, tension is required.
4. The generator itself jams.