Here we are two videos related to how the brake system works. These videos contain the principle of working and the differents parts of the system.
[youtube]https://www.youtube.com/watch?v=MAuVDB-G-HQ[/youtube]
This second video is focused on the master cylinder pump and the brake booster (well-know as Brake servo).
[youtube]https://www.youtube.com/watch?v=bGKJOICWmFQ[/youtube]
