One of the key components of the car suspension car is a ball support - a product that is responsible for fastening the levers to the wheel hub. Due to this, the components are securely connected to each other without losing mobility in the desired plane. However, over time, the product is able to wear out and require replacement. About this further in the article.

Ball support, device and principle

When driving, the drive wheels of the vehicle perform two functions. The first - ensure the movement of the car along the road. The second - make it possible to make maneuvers, that is, turn to the left or right. To ensure ride and maneuvering to the wheel position relative to the road, a number of requirements are presented: the wheels must be securely attached, easy to operate, stand smoothly and roll back or forward. Compliance with these conditions provides suspension where the ball support takes an important place.

The ball support device is sufficient. This includes the following structural elements:

• Metal rod either "finger", on the one hand there is a spherical tip, and on the other - thread.
• Bellow - an elastic rubber element that makes the work of the rod hermetic.
• Purpose washer fixing the polymer liner.
• The polymer liner, which, as a rule, consists of two parts - the upper (stop) and the bottom (cup).
• The cylindrical body from the metal, on the one hand there is a wide opening, and on the other - narrow.
• Rolling Clad of washers is the bottom of the ball support.

Ball support faulty, fault signs

About the malfunction of the ballproof testify the following signs:

1. Tires wear unevenly.
2. When moving in direct front wheels wicked.
3. When turning the steering wheel, you have to make great efforts.
4. When turning in the front of the car, the creaking is heard.
5. Even with a slow movement along the uneven road, the wheels begin to pound suspiciously.

Causes of failure

During the operation of the car, the ball support is subjected to large loads. Especially quickly support will wear out with a long movement on uneven surfaces. The most common breakdown is the wear of contacting elements. During operation, the gap between the body and the finger is constantly expanding. The finger in good condition should simply rotate, and when wear, it moves from the side to the side. If you do not solve the problem, after a while, the ball support may simply fall out of the housing, it will stop holding the wheels and the vehicle will fall on the asphalt bottom.

How to check the condition of the ball support

The easiest way to detect a malfunction is to appeal to the car service. If you do not have such an opportunity, you can conduct diagnostics yourself. This requires a source of intensive lighting, as well as a lift or observation pit.

• Swing the car and listen. Determine where the knock comes from. If the sound comes from the wheels, then the supports are very worn.
• Hall the brake pedal until you stop - you can avoid the bearing backup. Swing the wheel with my hands, taking it behind the lower and upper points. The presence of a backlash indicates the appearance of a gap between the case and support, which means it is necessary to change the product.
  
• In VAZ cars, the test is performed by means of a control opening located in the lower support. To diagnose, you will need a depthine meter or a caliper, which you need to measure the distance between the end of the support finger and the outer part of the case. The indicator should not be more than 11.8 millimeters. This method works only if you have not previously performed the replacement of the ball support.
  
• To check the back of the top product, you will need a hopmetometer with an indicator. The normal indicator is not more than 0.8 millimeters.
• Diagnostics can also be carried out without tools, but you will need an assistant. It is necessary to place the palm on the body of the ball support, while touching the finger and the housing. Assistant at this time should rock the wheel. If there is a backlash, you will feel it.

Rules for buying a new ball support, to pay attention to

There are two varieties of these products: with metal-ceramic bearings and fuel. For car VAZ with front-wheel drive, fastening options are better suited, since they withstand heavy compression loads. As for metal-ceramic products, they are mounted on the rear wheels and are high-strength on stretching.

The most common manufacturers of supports for VAZ are: "Belmag", "Track", "Cedar", "behind the wheel". Trust deserve: Fenox, Moog, Hi-Drive, Hola and some other manufacturers.

Tools, fixtures, consumables

1. Jack.
2. Penetrating lubricant.
3. Hammer.
4. Puller.
   
5. The key to "19".
6. The key to "17".

How to remove the ball vaz 2110 if there is no puller

During the operation of the machine, the supports of the support are affected by corrosion, high temperatures and friction. As a result, the composite parts are tightly dragged to each other. Especially often this happens to the nest and cone. Previously, the problem was solved simply - gas torch and sledgehammer. However, it is not recommended to use such a way, because you can damage steering thrust. In order to avoid problems, it is recommended to apply a special puller ball support.

Dismantling ball support step by step

1. Raise the jack of the front of the car.

   

2. Remove the wheel followed by the desired ball support.
   
3. Apply penetrating lubrication on bolts and fastening nuts.
4. Using the key to "19", unscrew the bottom fastening nut of the finger.
5. Install the puller and squeeze the ball finger.
   
6. Remove the two bolts that fix the ball support. One of them is located in front, and the other - on the reverse side.
7. Press the lever and remove the support.
   

Revision shot of a ball support

1. We carry out the last check of the ball support, shaking the ball itself in the clip. The greatest backlash should be no more than 0.7 millimeters.
   
2. If your finger is free to dangle freely - uniquely replaced.
   
3. If the support is in order, but there are visible defects on the grease cover, the lubricant should be replaced, as well as the case itself. If you get inside the support of dirt or water, it is advisable to completely replace the element.
   

Installing a new ball support (step by step)

1. Install the expansion sleeve.
   
2. Half will score a new cap.
3. Treat sealant Place planting cap on support.
   
4. Collect everything in reverse sequence.
5. Do not forget to perform a control tightening of threaded connections on a loaded car.
   

Council Pro: What lubricant is better to use

The modern market offers many different lubricants for ball supports. The most common among car owners: Litol-24, Slsus-4, SRB-4.