Sooner or later, or rather every 50,000 km on a 16-valve VAZ-2112 engine, it is necessary to change the alternator belt. Of course, the reason for replacement is not only mileage. Not every car enthusiast knows how to replace this part, much less where it is located. Therefore, this article will tell you how to replace such an important element as the alternator belt.
Video about replacing the alternator belt on the front-wheel drive family of VAZ 2110-2112 cars:
The video material will tell you how to properly replace the alternator belt, the reasons, as well as the factors that influence this.
Replacement steps
The replacement procedure is different for cars equipped with and without power steering. Below we will consider both options. Replacing the alternator belt on a VAZ 2112 16 valve with installed power steering consists of the following steps:
- First, remove the power steering fluid reservoir.
- Then, using a key set to “13”, you need to unscrew the nut, thanks to which the generator is attached to the mounting plate. Generator drive with hydraulic booster
- To remove the old strap, loosen the tension roller.
- To remove the dismantled part, you need to remove the motor from the support. First you need to unscrew the cushion, and then jack up the engine until a gap appears. We take out the belt through the gap formed.
- Assembly is carried out in reverse order.
- There are some nuances during installation. First, the tensioner must be clamped to its extreme position.
- Then you should tighten the belt on all the pulleys and lastly on the tension roller. This procedure is a little labor intensive.
- After complete installation, it is necessary to tension the belt. Using the hammer handle, press and fix the tensioner. At this stage, the difference between cars with hydraulic booster appears - they do not have an adjusting bolt. Tension adjustment is done using a tension roller. The procedure on a car without power steering is simpler:
- Using a “13” wrench, unscrew the generator mounting nut.
- We loosen the belt tension by turning the adjusting bolt with a wrench to “10” counterclockwise.
- Having moved the generator towards the cylinder block, we remove the belt.
- Next, we put the new consumable on the drive by rotating the adjusting bolt.
- At the next stage, we tighten the strap using the adjusting nut. We move the generator as far as possible from the cylinder block. By rotating the adjusting bolt clockwise, we increase the tension, and counterclockwise, we loosen it.
- Then the crankshaft must be turned two turns and the tension checked again.
This concludes the procedure for replacing the alternator belt on a VAZ 2112 16 valves. By doing it yourself, you can save on visiting a car service center. In addition, knowing how to change the alternator belt, you will feel confident on your trip, since you can always change this spare part yourself.
Source
Replacement with power steering and air conditioning
If changing the alternator belt on a car without power steering takes only ten minutes, then on the contrary, in the case of power steering or air conditioning, as on the Priora, the procedure becomes noticeably more complicated.
The fact is that if power steering is installed on the car, then the location of the generator is already in a different place. The power steering pump is installed in its original position. The generator itself is moved higher in this case. In addition to the fact that on cars with air conditioning and power steering, the location of the generator has been changed, the belt itself also runs on a different axis. In this case, the part first passes through the crankshaft pulley, then the tension roller, the generator shaft, the pump shaft and again the crankshaft pulley.
Note. The replacement procedure on a car with power steering is complicated by the fact that the belt rotates around the left engine mount. Thus, in order to replace the part, you should lift the engine, and only then remove the chain.
Let's begin the replacement procedure:
Note. The bolt of this very support should, in theory, fall down after unscrewing, but it is possible that its head will rest against the power steering pulley. If this happens, it's okay. You will need to unscrew the power steering pulley, then unscrew 3 bolts, remove the pulley and pull out the bolt.
Installation of a new part is carried out in the same sequence. But before buying a new belt, you should know that the part must have 6 rivets. In addition, the length of the generator belt must be exactly 1115 mm. If such a chain is not commercially available, then it is recommended to install a Priora belt with air conditioning.
How to tighten the Alternator Belt on a VAZ 2112
Lada car belts may vary. Lada 2110-15 may have a hydraulic booster, the pump of which will be driven by the same belt as the generator.
The differences, in turn, depend on the presence of power steering or its absence. A car equipped with hydraulic power steering will have a longer belt than a car without it.
The picture below clearly shows the difference between the two belts.
There is a long belt on the left, a short one on the right (car without additional equipment)
There are a large number of varieties of alternator belts. In the 90s, with the advent of the VAZ 2109, the generator drive belt was of the V-type. Subsequently, it was abandoned and with the advent of the VAZ 2110, the V-belt was replaced by a poly-V-belt.
V-belt on the left, poly V-belt on the right
The VAZ 2110-15 generator belt without power steering has a length of 742mm, and with additional attachments it is 1115mm.
Replacing the alternator belt on a 16-valve VAZ-2112: tension it correctly
Sooner or later, or rather every 50,000 km on a 16-valve VAZ-2112 engine, it is necessary to change the alternator belt. Of course, the reason for replacement is not only mileage. Not every car enthusiast knows how to replace this part, much less where it is located. Therefore, this article will tell you how to replace such an important element as the alternator belt.
Video about replacing the alternator belt on the front-wheel drive family of VAZ 2110-2112 cars:
The video material will tell you how to properly replace the alternator belt, the reasons, as well as the factors that influence this.
Alternator belt replacement process
Alternator belt location
Before starting the replacement process, it must be said that the belt drives the generator, which in turn maintains a stable on-board network and also charges the battery.
So, let's get straight to the process itself:
Remove the negative terminal from the battery
After unscrewing the fixing bolt, let the generator run
Remove the lower engine mount to pull out the belt.
Pull the alternator belt through the slot
Belt tension
There is a special wrench for correct tension of the alternator belt.
Product selection
The choice of alternator belt should be taken quite seriously, since its breakage will not disrupt the operation of other parts, but further movement will not be possible.
Also, it is necessary to immediately determine the quality of the product, since the work and service life will depend on this.
Tension
After installing a new belt or in general, during operation the part may need to be properly tensioned. As mentioned above, poor tension leads to various problems in the functioning of the car.
Simple tension without power steering
Tension with power steering
As in the case of replacement, the tension of the alternator belt on cars with power steering is different. The point again is that the angle of the belt wrapping around the pulley is quite small. If you simply tighten it, as in the first case, then it will slip. For this purpose, the tension is greater, as indicated in the instructions for cars with power steering. The above step-by-step instructions will help you do everything successfully with your own hands. It won’t hurt to look at photos or video materials during the work process, as examples of visual aids. The cost of replacing an alternator belt at a service station is quite high, so there is no need to pay extra money.
Hello, dear car enthusiasts! Quite quickly, VAZ cars of the tenth series spread across the territory of our country.
The new design, economical engine and affordable price began to expand the circle of fans of these cars.
The designers proposed quite a lot of new technical solutions that made it possible to improve the performance of the cars, however, some components and mechanisms were borrowed from previous models, where they had proven themselves positively.
So, for owners of VAZ 2112 cars, tensioning the alternator belt is not at all difficult if they already owned earlier models of the VAZ family.
Despite the widespread desire of developers to improve the design of cars, electricity is still the only possible option.
Why invent something new if two pulleys and a belt between them are a simple and very reliable mechanism. Both tensioning and tensioning are not difficult, the drive works in any conditions.
The only drawback of the technological process of replacing the VAZ 2112 alternator belt is a more cramped environment in the engine compartment due to the transverse location of the engine.
Tensioning the VAZ 21124 alternator belt
In this case, sharp decreases or increases in rotation speed often occur. In such conditions, the belt drive must fit very tightly to the working surface of the pulley, providing good traction.
If it is a VAZ 2112, then with a high degree of confidence we can say that the belt is not tensioned sufficiently. When the rotation speed changes, the pulley rotates and the belt slides along its surface, producing a characteristic sound. In addition to the unpleasant squeaking sound, you must be prepared for the fact that the belt quickly overheats and may fail.
A highly tensioned VAZ 21124 alternator belt can also lead to various breakdowns, the most common of which are:
To check the correct tension of the belt, press it in the middle between the pulleys. With a force of 10 kgf, the subsidence should be 10-15 mm.
The tension is adjusted using ordinary wrenches, for which you should loosen the nuts securing the generator to the bracket, adjust the tension using the adjusting bolt and tighten the fastening lugs again.
Replacing the VAZ 2112 alternator belt in the garage with your own hands
As much as we wouldn’t like it, most of the machine’s parts have their own service life, after which they need to be replaced.
A VAZ 2112 alternator belt, provided it is of high quality and careful operation, can provide a mileage of over 100 thousand km, but it is better to replace it without tempting fate after it has served the period specified by the manufacturer.
The 2112 generator belt
is replaced in the following order:
The belt is tensioned as indicated above. Considering that a new belt is being installed, after a short period of use, it may stretch slightly and the tension will weaken. This can be eliminated by additionally tightening the generator drive belt to the parameters set by the manufacturer.
The operation of the belt drive allows the generator to convert the mechanical energy received from the engine into electrical energy. It is for this reason that the serviceability of all generator parts, especially the drive belt and belt tensioner pulley, is especially important.
Replacement
As much as we wouldn’t like it, most of the machine’s parts have their own service life, after which they need to be replaced.
A VAZ 2112 alternator belt, provided it is of high quality and careful operation, can provide a mileage of over 100 thousand km, but it is better to replace it without tempting fate after it has served the period specified by the manufacturer.
Replacing the 2112 alternator belt is done in the following order:
the car is installed on a viewing hole, since access from below to the belt is more convenient;
after disconnecting the battery, the upper and lower nuts securing the generator are loosened;
the adjusting bolt is unscrewed and the generator moves to the engine block;
remove the old one and put on a new alternator belt.
The belt is tensioned as described above. Considering that a new belt is being installed, after a short period of use, it may stretch slightly and the tension will weaken. This can be eliminated by additionally tightening the generator drive belt to the parameters set by the manufacturer.
How to tension
1. The generator drive belt should bend by 10–15 mm with a force of 100 N (10 kgf) applied in the middle between the crankshaft and generator pulleys. Otherwise, adjust its tension.
2. To do this, loosen the nuts of the lower and...
3. ...top mounting of the generator.
4. To tighten the belt, move the generator away from the cylinder block by turning the adjusting bolt clockwise. To loosen the belt, move the generator to the cylinder block by turning the adjusting bolt counterclockwise.
Replacement
Replacing a belt is not a complicated process, so this work can be completed by a person who does not have high knowledge in auto mechanics.
First you need to prepare the necessary tools and purchase a belt.
Step-by-step instruction
- Loosen the belt tension screw with a “10” key and move the generator to the engine side
- Removing the old belt
- We install a new belt and tighten it with a screw.
- The belt tension should be such that it can be turned 90 degrees by hand, or with a pressure of 10 kg/cm on the belt it should bend no more than 15 mm.
Insufficient belt tension can lead to a lack of battery charge and the belt squealing under load, and excessive tension can damage the alternator bearings or the belt itself.
The process of replacing the alternator belt on the VAZ 2110-15 has been completed. We hope our article was useful to you.
We change the alternator belt on a VAZ 2112 ourselves
The belt drive allows the generator to generate electricity in the vehicle. The device can function normally provided that all its components are in good working order. This also applies to the strap. Replacing the VAZ 2112 16 valve alternator belt is not a complicated procedure that can be done in the garage. An article with detailed instructions and a video will help with this.
In what cases is replacement necessary?
Like any consumable material, the alternator belt has a certain resource and requires constant technical inspection. According to the recommendations of the manufacturer, on a VAZ 2112, regardless of whether there are 16 valves on the engine or 8, the consumables need to be changed after 45 thousand kilometers. But these are just recommendations; it is necessary to constantly monitor the condition of the product and change it in time. Service life depends on the following factors:
- driving habits;
- operating conditions;
- product quality.
A visual inspection of the drive components should be carried out when the car has traveled a maximum of 10 thousand kilometers and before a long trip. This will make it possible to avoid unpleasant surprises along the way - a broken belt. It is recommended to carry a spare one with you in the trunk, since if it breaks, the car will no longer be able to move on its own.
The strap needs to be changed if it is torn, stretched or becomes unusable. Poor tension can be determined by a specific whistle that occurs when the engine starts. Tension plays an important role in the operation of a belt drive. If the tension is weak, the unit does not generate the amount of electricity necessary for normal operation of the car. If it is strong, the service life of the belt, drive bearings and crankshaft is reduced.
Selecting a belt manufacturer
Today, choosing a manufacturer of a particular spare part can be quite difficult due to the fairly wide selection. But if we look at the statistics of many car owners and service stations, we can conclude that the highest quality belts for driving auxiliary units are:
- BRT - Balakovo Rubber Equipment, often installed from the assembly line
- GATES - often also a factory option
- Bosch - has a fairly wide range of products, including belts, and the quality is quite high
- LUZAR
- ANDYCAR
If we consider the most trouble-free belts, then according to statistics from surveys of motorists and service station technicians, we can conclude that the highest quality ones are produced by GATES and domestic BRT.
If you use another manufacturer, or want to leave your review, you can share it in the comments below.
