Clutch definition
A device that disconnects the engine from the transmission , to allow the vehicle to change gears, and then allows the engine and transmission to resume contact and turn together at a new speed . Also see centrifugal clutch , clutch diaphragm spring , clutch pilot bearing , clutch housing , clutch disc , clutch pressure plate , clutch explosion , clutch lever , clutch pedal , clutch pedal free travel , clutch release bearing , clutch semi-centrifugal release fingers , clutch shaft , clutch solenoid , clutch throw-out fork , cone clutch , double clutching , multiple disc clutch , freewheeling , multiple disc clutch , one-way clutch , overrunning clutch , riding the clutch , roller clutch , and sprag clutch .