The determine reveals the vacuum clutch mechanism. This sort of clutch works by using the prevailing vacuum inside the motor manifold to work the clutch. The vacuum clutch contains a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  This helps prevent the transmission shaft and clutch plate from https://clutch-kereta85160.blogsidea.com/39399030/details-fiction-and-clutch-kereta