pressure plate experts

I’m not sure. We will know when we pull it.
What you find will be interesting. Please make sure you post with pictures.

Some basics..........
www.mechanicalengineeringblog.com/5397-construction-and-working-of-a-multi-plate-clutch-various-components-present-in-a-multi-plate-clutch/#.WsN2vUxFyUk