In the process of operation of the vehicle, scheduled checks of brake hoses should be systematically carried out. If during the inspection you found mechanical damage on hoses, for example, cracking or tributes, as a result of which the quality of braking is reduced or a brake fluid leak occurs, it should be replaced as quickly as possible.
Content
Materials and tools assistants
First of all, it is necessary to think about the tools that will be needed in the process of this work:
- Rozhkovo-attacked keys at 15, 14, 8.
- Item key on 8.
- Crimp or split key for 10.
- Liquid VD - 40.
- Metal brush.
- Small hammer.
- Transparent small bottle with rubber tube.
How to choose a hose which brake hoses are better
As a rule, brake hoses can be divided into two types - rubber and reinforced.
The reinforced hoses have two layers: an external - special metal network-braid and an internal - plastic tube of reinforced strength.
The metal network will not allow the hose to deform and has a different structure in comparison with the steel grid in rubber hoses, so it is considered more reliable. This hose design makes it possible to efficiently monitor the braking process. The lack of these hoses - the reinforced surface can scratch everything around. It is about this that most manufacturers are applied to the hoses a third transparent layer of PVC.
At first glance, rubber hoses are simple, however, in fact, they consist of three parts and quite reliable. The rubber inner hose coating holds inside the brake fluid. The next coating is a steel grid that does not allow the hoses to deform due to pressure. The third layer is a thin rubber coating that ensures the moisture resistance and flexibility of the hoses. Rubber hoses are sufficiently wear-resistant, however, it is believed that the braking system is slower from behind them. This occurs as a result of the fact that they are subject to deformation a little more than reinforced.
Additional spare parts and consumables
Together with the hoses, it is necessary to purchase copper washers. One washer goes on one hose. The required thickness of this copper sealing washer is 1.5 millimeters. We should not forget about the brake fluid that will be needed after pumping the system for replacing hoses.
How to remove the brake hose, step by step instructions
- Initially, it is necessary to lift the vehicle by jack and remove the wheel.
- Then, from the pumping fitting, it is necessary to remove the rubber ring and the protective cap.
- Remove the pumping fitting.
- Now we take over the brake hose. I put the crimp key on the brake tube fitting, hold the brake hose and tear off the fitting. If it is difficult to move, tighten it, pour the VD - 40 and try unscrew again. When the fitting of the tube is freely rotated, the crimp key must be removed and unscrew the tube fitting using a horn or split key. In order to avoid the loss of the brake fluid, the tube should be dried with a rubber cap.
- Now it is necessary to remove the rubber ring of the hose from the depreciation front rack holder.
- From the brake cylinder, unscrew the brake hose.
Pumping fitting, how to unscrew it and what to do if unscrewed
As for the pumping of pumping, they need to do in the first place, because the fittings of the front caliper of the VAZ vehicles have the property practically tightly accumulating.
And if you try to unscrew it and pump the system, it just breaks out. This happens quite often and, at the same time, it will not be possible to pump the system.
The most faithful, fast and safe way to solve the problem is the complete replacement of the front caliper brake cylinder.
Installing the brake hose
In the place where the hose and the caliper is connected, it is necessary to carry out wastewater, as oxidation, dirt and sand do not contribute to hermetic compound.
Now screw the hose with a sealing washer and gently tighten. Connect the hose and brake tube. Then in the holder of the rack fix the brake hose.
Pumping brake system
To pump the system you will need an assistant. We ask it with an interval in two seconds three or four times to press the brake pedal, after which it needs to be held.
1 - hose for pumping; 2 - vessel for brake fluid.
At this point, you must let go of the pumping fitting so that the fluid with the air began to go out. It is clearly visible in a transparent bottle. Now you need to tighten the fitting.
The procedure should be repeated until there is a liquid without air bubbles. Now it is only necessary to check the level of fluid and tightness of the compounds.
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