The determine demonstrates the vacuum clutch system. Such a clutch takes advantage of the existing vacuum from the motor manifold to function the clutch. The vacuum clutch is made of a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  But let us stay with the topic of cars https://clutchplate87529.qodsblog.com/33047146/the-definitive-guide-to-clutch-plate