Attention! Brake fluid is poisonous. In addition, it destroys the paintwork.
To prevent leakage of brake fluid from the system when disconnecting a pipe or hose, do the following before disconnecting them.
Turn away the union of prorolling of a corresponding brake contour.
Put a hose on the fitting. Lower the free end of the hose into a container.
Squeeze out the brake pedal to the stop and fix the pedal in this position, supporting it with a wooden bar of the appropriate length. The holes through which the brake fluid is supplied in the master brake cylinder are thus blocked and the brake fluid will not flow out.
An appropriate wrench is required for disconnecting and then securing pipelines and hoses. Another 14 wrench is needed to keep the hoses from turning.
After performing work related to the hydraulics of the brake system, the system itself must be pumped without fail. Usually it is enough to bleed the brake circuit on which the relevant work was carried out.
Disconnection of pipelines
1. Loosen the union nut of the pipeline. Opposite Nut (brake hose) hold with another key from turning (see illustration 10.1).
If the pipeline nut is rusted and rotates with the pipeline, the pipeline must be replaced. In this case, cut the pipe next to the nut. The nut itself is then unscrewed with a hex socket.
2. Fix the new pipeline in the appropriate holders.
3. Bleed the brake system.
Disconnecting the brake hoses
4. Turn away a cap nut of a brake hose. Opposite nut (pipeline) hold with another key from turning.
The brake hose can be fixed to the body with a holder in the form of a bracket that prevents the hose from moving. Be sure to secure the hose to this bracket after you complete the job.
When installing hoses, first secure the end of the hose with the male thread. Do not kink hoses. Follow the colored stripe on the hose.
5. Bleed the brake system.
6. Make sure that none of the hoses will be frayed while the car is moving.
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