What a generator belt on Niva Chevrolet. Chevrolet Niva: checking and replacing the drive belt of auxiliary units

27.09.2019

Most VAZ-Chevrolet SUVs were produced and manufactured with the Motor "2123". The simplest operation on it is the adjustment of belts tension. Here we will look at how in Chevrolet Niva tighten the belt of the generator - under this word implies the belt auxiliary aggregates. Separate drive is provided for air conditioner. But it will not interfere with it.

The item that is spent speaking is shown in one video.We look.

We stretch the generator belt

Check that the ignition is turned off. Opening the hood, you need to remove the plastic lining, overcoming the resistance of the clamps (4 pcs.). Then, taking scolding, weaken the tightening of the clamp on the main air duct (photo 2).

Set of preliminary steps

The key "on 10" is unscrewed the attachment screw (photo 3). The screw is removed, and then the air duct should be removed from the filter housing. Preparation completed.

What and how to regulate

Before tightening the generator belt, the Three nuts are unscrewed on the Chevrolet Niva. You need to unscrew them by 1-2 turns, but first you need to find each of them.

Fastener adjusting node

Nuts are designed to turn turnkey "at 13":

The first is indicated by the arrow in photo 1;
The second and third are located near the adjusting screw. They are shown in photo 2.

The screw itself on the first drawing is between points 2-3.

The process of adjustment on Chevrolet Niva

The screw "on 13" screw can be unscrewed, thereby weakening the tension, or twisted it. Rotating the key to the left - the tension is weakened (photo 2).

Adjusting screw

If the adjustment is performed correctly, pressing the belt at the point P (see the drawing) causes a deflection by 1.1-1.2 cm. Pressing force should be 75 N.

VAZ-2123 generator drive assembly

It is possible to adjust more precisely in a hundred.

Tighten the fastening nuts, an effort of 21-27 N * m. For a screw holding a "sleeve", the recommendation looks differently: 20-25 N * m.

Why carry out the adjustment of the generator belt

A poverty belt is published by whistle. At the same time, wear bearing wear goes faster than it is supposed. In addition, the belt overheats, and it means that it is quickly wearing.

It would seem that the tension can be loosen, but the poor belt wear out even faster. The reason is in strengthening vibration.

Please note: on the "hanging" belt "hanging" a pump of cooling system. Such are the features of the DVS VAZ-2123. The pump stop does not necessarily lead to overheating. But without it, the engine can not be operated.

Causes of the appearance of a whistle: Incorrect adjustment, high degree of wear. Make conclusions.

Video with the replacement of the generator belt on Chevrolet Niva with air conditioning

Replacing the rollers of the generator belt is the standard procedure that can be carried out independently. This article is given detailed instructions By how the replacement is carried out by car Niva Chevrolet.

Causes of failure

Before switching to signs and resolving breakage, it is worth talking about possible reasons failure And also what they are expressed:

Foreign body hit.
Rather, all this is evidenced by traces of blows on the housing and noted on the flat side of the belt.
Incorrect adjustment of the belt tension is overly strong or weak.
In this case, the tension pointer is broken, the tensioner cover or its limiter. To this can lead wrong tightening Bolts or improper selection of sizes.
Work at high temperature.
Dissolot Details.
Because of this, on its surface you can see traces from the belt.
Mechanical damage to tools during installation.

What features to recognize a malfunction

About the need for the replacement of old rollers to new testifies a number of signs. They manifest themselves as directly during a ride, in the form of foreign noismsand with visual inspection.

Replacement is necessary if:

Mechanical damage on the surface of the rollers;
Noticeable backlash;
Crossing noises when turning. This is a clear sign that the car requires repair;
Damaged bracket or bearing;
Flowing oil;
Heat during operation;
Strong vibration during operation;
Complexity in the scrolling of the shaft.

It will not be superfluous to view the serviceability of the belt. It should not have cracks, cuts or flax. If he has defects, it must be replaced.

Sequence of work, 1 - removal of faulty parts.

The first step is to prepare the generator to the repair and replacement process. For this, old details are removed. For this you need spanners diameter 10 and 17.

1. First of all, it is necessary to weaken the belt and remove it, otherwise you will not have access to the bearings. To do this, we need to weaken the roller, which is held by the pad with nuts. Three nuts, for them you need a key to 10. Once all of them are unscrewed, you need to unscrew the adjusting screw so that it moves up from the site. Due to this section with rollers and belts will move freely up and down. In order to throw off the belt, move the platform up. It is also worth noting that it is not necessary to remove the belt completely - it is enough to lower it with a faulty detail.

2. The next step is to remove faulty rollers:

Install the car to the first transmission in order not to give crankshaft turn
Unscrew the nut that secures the item
Remove the spring washer and remove the item.

The process of removing the rollers of the generator on the Niva Chevrolet is identical to any other car.

Step two: Replacing the roller of the generator belt

The replacement occurs in several steps:

1. First, the protective cover of the bearing is removed;

2. After that, with the help of the 17th caid key A nut is removed that keeps the design of bearings;

Installing new details

5. The new ring is installed in its place;
6. A new roller is installed at the place of the old bearing. Before this, you should verify the diameters of both parts to avoid the inoperability of the mechanism;
7. Next, the bearing is fixed using a washer with a spring mechanism and nut;

8. After that, the belt is carried out on a new video.

Checking set details

After that, the final check of all the mechanisms and the collection of items in the reverse order is carried out.

If the belt is tight and the effort is not enough to weaken or pull it, there are several ways:

1. You can put a car on the 4th transmission, throw the belt on the roller and push in the direction of rotation crankshaft. When it starts to turn it - you need to pull the belt on the Skif of the generator, and it will fall into place itself.

2. Similarly, you can also not push the car, but lift the wheel and scroll it, or scroll the generator itself.

Thus, it is easy and quick to replace the rollers of the pellets of the Niva Chevrolet. It is necessary to regularly diagnose the driving parts of the car in order to prevent possible breakdowns in time and replace faulty parts.

From the moment of the appearance and at the time of writing the article, all Chevrolet Niva cars have completed the only engine model - 2123. This motor has simplicity of service, almost all elements on it can be changed independently in the presence of a minimum set of tools. The belt drives are especially easily adjusted. They are installed on the generator and other motor auxiliary elements, such as air conditioning. Most of them can be changed independently of each other, so the strap of the Niva Chevrolet generator with air conditioning changes as easily as on a simpler version.

It is necessary to turn off the ignition. After that, we open the hood and remove the plastic lining. Then weakening the body of the air duct. To do this, you can use a conventional screwdriver.

Then the end key on 10 you need to unscrew the screw retention air filter. After that, remove the air duct from the filter housing. At this stage of preparation can be considered completed.

Adjustment

To start adjusting the belt of the Niva Chevrolet generator belt, you need to weaken 3 nuts. They are not completely twisted. It is enough 1-2 turns to begin further work.

The fastener of the adjustment node is indicated in the image above and marked with an arrow. To carry out this procedure, you need the key to 13.

Adjustment to be done in the same key to 13. Rotating screw towards unscrewing occurs, if you rotate in the other side, twisting, then tension occurs.

Check.

Right stretched strap The generator on Chevrolet Niva can be checked by pressing it at the point p designated in the figure. With an effort 75n, the allowable deflection must be 1-1.2 centimeters.

It is possible to more accurately measure the level of tension only in the conditions of the station station where the equipment is necessary for this. The same belongs to the spin of nuts. The manufacturer recommends tightening with an effort 20-25 N * m. This uses a special dynamometric key.

The need for periodic verification.

The main feature of the Chevrolet Niva engine is that in addition to the generator, this belt drives and the cooling system pump. If it is weakened, then with time it is possible to slip and in addition to insufficient voltage issued by the generator, there is a risk of overheating of the engine as a result of the pump stop. It also increases the risk of its higher wear and caused by them by pulleys by increasing vibration.

The rear belt also leads to strong wear of bearings. In addition, you can see a whistle with an engine running, which indicates that it is experiencing strong friction and is overheated.

Replacing the air conditioner belt.

To change the belt of the air conditioner Niva Chevrolet, it is necessary to install the car on the overpass or watching pit. After that, you need to remove the engine protection.

To do this, with the key to 13, we unscrew 4 bolts around the perimeter.

After that, you can remove the protection of the palter pallet.

Head to 8 unscrew the screws holding the defense.

We unscrew the front mudguard.

In order to check the tension, you need to press it with your hand between the plugs of the compressor and the crankshaft. The permissible deviation should be no more than 0.8 centimeters.

If it is worn, then proceed to replace. For this end key weakening the tensioning roller fastening bolts.

If the air conditioner belt is in good condition, but weakened you need to twist the bolt tightening, clockwise it will lead to the stretch.

Replacement is made in the presence of cracks on the belt, traces of bundle and breaks. To change, you need to weaken the bolt, for this you need to rotate it counterclockwise.

After that, it can be easily removed from the pulley. On the field for the drive of the compressor is used evenly, 810 millimeters long.

The belt is dressing so to be closer to the inner edge of the pulley. Then immediately need to check its tension.

After installing the part, the components are assembled in the reverse order.

The first signs of what is needed by the replacement belt of the Chevrolet Niva Generator, can be heard even without much effort. A whistle from its slippage for pulleys cannot be confused. But if there is no desire to wait for a tow, then it is advisable to periodically inspect the actuator's state.

The transverse cracks on the material that appeared both from the inside and outside, talk about the need for urgent replacement. The manufacturer recommends this procedure once every two years or after every 60 thousand km of mileage.

Chevrolet Generator Belt Niva has a more accurate name - the drive belt of additional aggregates, because in addition to the rotor, it leads to rotation of the water pump pulley and the pulley of the steering power steering. Before work, you will need to cook everything. required tools. By the way, they are not so much:

Key on 10;
Key to 13;
Dynamometer;
Line.

Required drive tension provides a special roller with a movable bracket.

Dynamometer with a ruler just serve in order to correctly establish the degree of its tension. Too weak tension will lead to slippage, and strong - excessive wear both the polyclinic belt and the generator bearing.

Chevrolet Niva Generator Replacement

Starting manipulations are necessary with the weakening of the roller (3). To do this, let us release three bracket mounting nuts, and then rotating the adjusting bolt (5) to achieve such a state at which the belt will take off from the roller. Next, it is removed from pulleys in an arbitrary sequence.

Important!!! If the car is equipped with air conditioning, you will first have to remove the compressor drive belt, weakening the corresponding tension roller.

The replacement of the belt of the generator will not be difficult if it is started to install the crankshaft pulley, and finish on the tensioning roller. The finale of manipulations is the tension check. Between the pulleys of the generator and the pump, pressing the belt with the force of 80 N. In this case, the deflection (H) should be 12 mm. After 2 - 3 revolutions

Guide to replace the rollers of the drive of the auxiliary aggregates

Remove the belt (see "Checking the state and replacing the drive belt of the auxiliary units (the upper arrangement of the generator)"). When swaying and rotating rollers from hand should not be felt by the backlash, hotels, as well as noise in the bearings of the rollers. Otherwise, the rollers must be replaced.

Fashioned with a slotted screwdriver protective tension roller bearing cover ...