The support bearings of the front racks: photos, signs of malfunction. How to replace the reference bearing front rack?

Support bearings are elements of the front suspension of the car. Their main task is to smooth drum loads on the body. The malfunction of these parts does not promise anything good. In addition, the suspension and body will wear out quickly, the car performance will deteriorate significantly. And this already carries a certain danger to the driver and passengers.

In this article we will talk about what they are arranged, for which they are also intended for their principle of action. In addition, we will look at the process of replacing these suspension elements on the example of the VAZ-2110 car.

Purpose

Today are installed on all passenger cars regardless of whether the front-wheel drives are or rear-wheel drive. They are included in the design of the supports, with which the upper part of each of the shock absorbers is attached to the body.

Designed to clean loads coming from wheels through the racks to the body of the machine, as well as the uniform distribution. This distribution is achieved due to their special design.

How the Front Rack Support Bearing is arranged: photo, description

A structurally reference bearing is the usual working elements are either steel balls, or rollers made of the same metal. A feature of the design is the presence of a special separator, thanks to which each of the balls (rollers) is separated from each other and acts as a separate element. This, in fact, allows you to evenly distribute radial and axial loads on the body.

The bearing itself is enclosed in a steel case, which can be both solid and collapsible. The last option is repaired. Whole designs change assembly.

Varieties of support bearings for VAZ-2110

The support bearings of the front racks are four types:

• with built-in ring;
• with a separated inner ring;
• with a separated outer ring;
• single-separated.

The first type is characterized by the presence of special mounting holes. When using such parts, the clamping flanges are not used. Besides, front Stand Bearing VAZ-2110 The built-in ring is equipped with built-in gaskets providing constant and maximum rotation accuracy.

Constructions with separated internal and outer rings are distinguished by the location of the latter. In the first case, the outer ring comes into contact with the device housing, in the second - internal. By and large, the special difference for the VAZ-2110 type car does not represent these bearings. But the fourth type of details is characterized by the fact that its outer ring has a division at one specific point, which is why the rigidity of the entire device increases significantly.

Where are the support bearings

Support bearings are located in the engine compartment of the car. Open the hood of the machine and pay attention to the bulk of the body on both sides of the boost space. These are the places to which racks are attached. They are also called "glasses", and one of them usually knocks out the body number. Bearings are installed on top of "glasses" and closed with special round-shaped lids. They are easily dismantled with their hands. After removing the cover, you will find the top to the housing it is fastened with three bolts, nuts from which you will immediately see.

When you need a replacement of support bearings

The design of the support bearing is strong enough to serve it for years. But, given the quality of the coating on our roads, it often happens so that they have to change them almost every year.

According to the list of regulations for VAZ-2110, after every 100 thousand km of mileage should be carried out. Well, if you have established that they have failed before the deadline, do not pull with the replacement. From this will suffer the chassis, and body, and elements of the control system.

Signs of the bearing malfunction, regardless of its design, are:

• a characteristic knock when driving on an uneven surface;
• sound, similar to a crunch while turning with a roll while driving;
• violation of normal car handling.

How to diagnose bearing malfunction

To know exactly what exactly front Rack Bearings They are the cause of the above signs, it will be necessary to conduct a simple diagnosis. It is advisable to invite assistant. The check algorithm is as follows:

What will be required to replace the bearings of the support with their own hands

Before How to replace the reference bearing front rack Predit, take care so that you have the following means and tools at hand:

• jack;
• cylinder key;
• wrench at 9, 13, 19, 22;
• special puller for steering tips;
• screed for springs racks;
• passatia;
• marker, paint or core;
• "Shoes" to fix the wheels or a pair of bricks;
• liquid against rust (WD-40 or similar).

Change the bearing of the front suspension support with their own hands

1. Install the car on a horizontally level surface, turn on the rear wheels "shoes" or with bricks.
2. Remove the front wheel fastening bolts from the other side where you are going to change the bearing.
3. Lift the car body, unscrew the bolts, dismantle the wheel.
4. In order for after replacing the bearing, you did not have to make alignment, paint or core, apply labels on the top bolt of filling a swivel fist.
5. With the assistance of the passage, remove the chopping pin of the ballpoint nut (finger). Unscrew the nut with the key to 19.
6. Using the puller, press the finger from the Rotary Fist Racks.
7. Key on 19 Unscrew the nuts on the bottom (2 pcs.). Often they accumulate, so it is better to treat them with liquid against rust.
8. In the engine compartment, unscrew the three nuts of fixing the top support to the body, applying the key to 13.
9. Using a screed for springs of racks unload the rack. Using keys to 9 and 22, unscrew the fastening nut on the rack.
10. Remove the support and disassemble it.
11. Remove the reference bearing from it. Install a new detail.
12. Make the installation of the removed items in the reverse order.
13. Do not forget to check the match made by the labels on the upper bolt of fastening the swivel fist.
14. After completing the installation, check how the stand works and there is no extraneous sounds. If everything is fine, you can check the new item in motion.

How to extend the life of the support bearings of the front racks

To bear the bearings served longer, use the following tips:

1. Try to avoid driving on the broken roads.
2. Do not slow down and do not "rotate" from the place with the steering wheel.
3. Noticing at least one of the signs of a faulty reference bearing, hurry to replace it. This will extend the service life of other suspension and steering elements.
4. When going to replace the support bearing, buy only branded details of well-known manufacturers.
5. Periodically check the work of the racks, listening to outside sounds.