This video is primarily directed towards my first-year students attending Brakes class where we take an in-depth look at a quick take-up master cylinder design with incorporated pressure differential and proportioning valves.

This video is relatively long, but includes a lot of helpful information that can help you understand some of the basics behind master cylinders as well as some possible problems that can arise.

Chapters:
0:00 - Intro/Basic Operation
8:44 - Compensating (vent) and Inlet (replenishing) Ports
24:17 - Quick Take-Up (step-bore) Master Cylinder Operation
30:04 - Proportioning Valves (brief)
31:19 - Pressure Differential Valve
36:11 - Pressure Differential Switch
38:10 - Schematic Overview