2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:42
The brake system is a very important part of any car. Whatever brand it is, you always need to monitor the condition and performance of this system. Your safety depends on this. At the first sign of a malfunction, corrective action should be taken. One of these signs is a soft and falling to the floor pedal. This symptom indicates the presence of air in the system. To fix it, you need to bleed the brakes. The operation is not so complicated, so you can handle it alone. How to pump the brakes on the VAZ-2107? Consider further.
Scheme of work
How to bleed the brakes on the VAZ-21074? You need to remove the air correctly, moving from the farthest circuit to the closest one, which goes to the brake master cylinder. The scheme is simple. They start moving from the rear wheels. First pump the right, then the left. Furthermove to the front. Remove the air in the area of the front right, and then the left wheel. Thus, they work in a Z-shaped pattern. She can also be seen in the photo below.
Preparation
How to pump the brakes on the VAZ-2107 with your own hands? For this, we will need a new liquid "Dot-4" and a key for 8. It is better that it is not carob, but multifaceted. Since the fittings on the "Classic" are rarely unscrewed and they are flooded with dirt, there is a risk that they will not be unscrewed well.
In order not to lick off the edges, it is better not to use the horn. You can also use a special wrench for brake pipes. It qualitatively wraps around the edges and they can unscrew the most rusty fittings. You will also need a hose and a container where the old fluid will drain.
Instructions
In order not to have to remove the wheels, it is better to drive the car into a pit. So it will be easier and more convenient for us to work. Next, open the hood and add brake fluid to the maximum level. After that, we twist the cork. Then we move on to the rear wheels. A fitting can be found on the back of the drum brake mechanism. If it is dirty, we clean it with a metal brush. Then we put on the hose and lower the end into a jar or bottle.
In order for the old airy liquid to come out, we need to create pressure. This can be done in two ways:
With the assistance of an assistant. This is the easiest option. The assistant gets into the car and presses the pedal several times (about five). Furtherkeep the pedal down. At this time, we unscrew the fitting and wait until the liquid comes out
On my own. This requires a special adapter. This is a brake reservoir cap with a nipple. We pump the required pressure through the nipple with a compressor (about two atmospheres), after which we go to the fitting and unscrew it in the same way
How to bleed the brakes on the VAZ-2107? When the liquid has stopped flowing, the fitting must be tightened. If the liquid is very airy, you need to repeat the procedure again. So, we create pressure with the pedal or through the cap, and then unscrew the fitting ½ turn. Then we twist again. Do this until a clear liquid comes out of the hose, without bubbles.
How to pump the brakes on the VAZ-2107 further? After that, they move on to the next, rear left wheel. Do the same operations.
Control the level
Before you bleed the brakes on the VAZ-2107 on a new circuit, you need to check the level of the remaining fluid in the tank. Since it leaves during the pumping process, it must be constantly topped up. The level must not be allowed to fall below the minimum. Try to keep it near the maximum.
Do I need to bleed when changing pads?
When performing this operation, it is not necessary to remove air from the system. In the course of work, we only sink the piston, so air cannot get inside in any way. The only thing to check is the fluid level. Sometimes when squeezing the working piston, it can pour throughtop.
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