Clutch release bearing. Symptoms of a clutch release bearing

Clutch is a very important knot in the design of any car. It includes a clutch release clutch. Symptoms of the failure of the element, its purpose - later in this article.

What is it for?

Clutch release bearing (2110th VAZ in volumenumber) provides a link between the clutch discs, making their detachment and attaching to a certain time interval. It is controlled by pressing the pedal.

The principle of operation of this element is very simple andis as follows. When the driver clicks on the clutch pedal, the fork that acts on the working cylinder is activated. It, in turn, produces an effort to disconnect the pressure plate and the driven disk. In order for both elements to come in contact again, the clutch release clutch is engaged. Symptoms of a malfunction (VAZ-2114 including) of this element are due to the high stresses imposed on the part. This element is constantly in mesh with other components, such as a flywheel and a clutch disc.

Where to use

Automakers use this element onsystems with two drives - the slave and the master. The first element receives the torque from the second and transfers it to the transmission. Further on карданной transfers effort is transferred on a reducer, and then - on wheels. The drive disk is tightly fastened to the crankshaft. To switch the driver from one transfer to another (no matter whether it is elevated or lowered), it is necessary to separate the two elements. This operation is made precisely by the bearing. The force is controlled by depressing the clutch pedal. When it is squeezed "to the floor", the torque transmission stops - the bearing rotates at the same speed as the flywheel. As you release, the two disks join together. At this time, there are high loads imposed on the clutch release bearing. Malfunctions of these elements arise precisely because of heavy loads.

It should be noted that during the movement, whenThe car rides "on the transfer," this element is quiet. But as soon as you need to switch to the next or previous speed, it immediately connects to work. Despite the small size, this element performs a responsible function. At any malfunction, further operation of the vehicle will be impossible or difficult. Therefore, with the first symptoms, you should pay attention to it. What are the clutch release bearing signs of malfunction ("Kalina" including), we will consider further.

How to determine its wear and tear?

First, the element will begin to publish.characteristic noises and sounds. And what is most interesting, during the movement on the transfer they can not be seen. But as soon as you press the clutch pedal, there is a terrible hum, and sometimes a knock. Especially it increases in winter. It is worth noting the high reliability of the design of such a detail as a clutch release bearing. Symptoms of malfunction of this node in the first stages are very difficult to notice. Sometimes there will be a slight rustling, which does not increase with time. However, this feature is quite enough to diagnose an element for a malfunction. There are also difficulties in switching gears, especially the rear. The inclusion of speed may be accompanied by a characteristic crunch. Also, this symptom may indicate a malfunction of the synchronizer or the pressure and slave drive. But in any case, when noise appears, it is necessary to diagnose all components of the node.

Стоит отметить, что подшипник изготовлен из strong steel with a low coefficient of expansion. However, the glass itself is very sensitive to temperature extremes. Its deformation can provoke a knock when you press the pedal. In this case, it is urgent to replace the clutch release bearing. Symptoms may be accompanied bythe inability to turn off the transfer. Both discs will be in constant gearing. A similar symptom occurs due to breakdown and leakage of fluid to the clutch. The pedal becomes ineffective. Operation of the car with such a breakdown entails increased wear of synchronizers and transmission gears.

How can I extend the resource?

As we said earlier, the task of this bearing is to separate the two discs.

Since it is practically not involved when driving a gear, the main load is placed when the pedal is pressed. If it is held for a long time, the bearing wears heavily.

But how to be?

Все очень просто.For example, you drove to the intersection where the traffic light is red. If within 5-10 seconds the green does not light up, feel free to turn on the "neutral" and keep the car (if it is a slope) on the handbrake or brake pedal. Fortunately, at many traffic lights there is a timer, so you can predict the situation in advance. But this rule should be used not only at intersections, but also in any other traffic situation (for example, standing in a traffic jam). It is not necessary to "play" the clutch, sneaking behind the oncoming car in order to maintain the minimum distance.

The less time you keep the pedal depressed, thebetter for bearing. Do not be lazy to once again translate the gearshift selector into a "neutral" - so you can avoid even if not expensive, but rather time-consuming repairs. Since the replacement of the bearing involves the removal of the transmission and clutch basket. And if it is a rear wheel drive car, then also a driveshaft.

Conclusion

So, we found out what the release bearing hasclutch signs of malfunction. As you can see, the main symptom is the extraneous sounds in the area of ​​the box and clutch, as well as difficulties in shifting gears. By the way, this element is checked simply - it is enough to take one hand for its base, and the second to rotate it along the axis. If you are replacing a disk or a basket, do not be lazy to make such a diagnosis. After all, it is possible, after a couple of hundred kilometers, you will have to redefine all the attachments, or go to the service, where you will be asked for a considerable amount.