Caution! Brake fluid can cause eye damage and paint damage. Therefore, when handling it, especially when refueling it, be extremely careful. Do not use fluid from a container that has been open for some time, as brake fluid is highly hygroscopic (the ability to absorb moisture from the air). Excess moisture can cause dangerous loss of braking performance.
1. The procedure is similar to the procedure for removing air from the brake hydraulic drive described in chapter 9, with the only exception that you should first drain the brake fluid reservoir with a clean rubber bulb or similar device and remove the old fluid while bleeding air from part of the circuit.
2. Working as described in chapter 9, open the first air bleed screw in turn and smoothly operate the brake pedal until almost all the "old" fluid comes out of the brake hydraulic reservoir.
Tip: "Old" brake fluid is often much darker than fresh. Therefore, it can be easily recognized.
3. Fill with new fluid up to the MAX mark and continue to operate the pedal until only new fluid remains in the reservoir and new fluid begins to flow out through the air bleed screw. Tighten the screw and fill the tank to the MAX mark.
4. Repeat all steps with the remaining air bleed screws one by one, ensuring that new fluid flows through all the screws. Be careful—the fluid level in the brake fluid reservoir must be kept above the MIN mark at all times. Otherwise, air may enter the system, significantly increasing the complexity of the procedure.
5. Once the procedure is complete, tighten all air bleed screws securely and install the dust caps on them. Wash away all traces of spilled fluid and recheck the fluid level in the brake fluid reservoir.
6. Before driving on the road, carefully check the operation of the brakes.