1. Follow all instructions and work steps that are described in section «Removal of air from the brake system».
2. In vehicles with a manual gearbox, the clutch control hydraulic system should also be flushed with new brake fluid. To do this, read the chapter «power transmission» instructions on the topic of bleeding the hydraulic clutch control. To completely replace the fluid from the working cylinder of the clutch control actuator, it is necessary to pump out at least 0.1 liters of brake fluid.
3. The work steps carried out on the individual air valves are the same as those carried out when the air is removed. Naturally, at the same time, brake fluid must be constantly poured into the expansion tank. To completely replace the brake fluid, at least a quarter of a liter of fluid must be pumped out through each of the air valves. The pumped liquid should be clear and without bubbles.
To prevent leakage of brake fluid
When separating the brake pipe (or hose) brake fluid is leaking from the reservoir. This can be prevented. Before loosening a screwed connection, loosen the bleed valve to bleed air from the relevant brake circuit. Attach a hose to remove air from it, and lower the opposite end of the hose into a clean container. After that, fully depress the brake pedal and fix it in this position, for example, using a wooden rack. The openings of the inlet channel in the main brake cylinder are closed, so the brake fluid does not leak out.
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