At service stations, the brake system is usually filled with liquid, and air is removed from it using a special device.
Warning: When using the specified device, the filling pressure of the system should not exceed 1 atm. This operation can also be carried out without the indicated device. In this case, the air from the brake system is removed by rocking the brake pedal, which requires the help of an assistant.
If air has entered any individual brake cylinder, the entire brake system and thus each wheel cylinder must be bled. If only one caliper is replaced or repaired, it is usually sufficient to bleed the corresponding brake cylinder.
Safety note
If one of the chambers of the brake fluid reservoir is completely empty (e.g. if there is a leak in the brake system or if you forgot to add fluid to the reservoir when bleeding), air is sucked into the system, which enters the ABS pump. In this case, the air from the brake system must be removed at the service station using a special device.
Bleeding sequence: rear right brake, rear left brake, front right and front left brake and clutch slave cylinder.
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