X is the part of the single-plate clutch that helps to provide damping actions against torsional vibrations. Y is the part of the single-plate clutch that helps establish even contact with the driven plate facing. What are X and Y?
1
X - Release lever
Y - Disc plate
2
X - Disc plate
Y - Pressure plate
3
X - Pressure plate
Y - Clutch cover
4
X - Clutch cover
Y - Release lever