Clutch Noise:
1. Throwout or pilot bearing dry
2. Throwout or pilot bearing worn out
3. Transmission out of alignment, causing main drive gear bearing or
bushing to be misaligned with pilot bearing
4. Grinding noise --- worn throwout bearing
5. Throwout bearing riding release levers
6. Centrifugal type levers contact throwout bearing s they move back
7. Click or rattle -- uneven lever adjustment
8. Release lever tips burned or worn
9. Broken bolts or yokes
10. Throwout bearing cocked on sleeve
11. Release levers out of plane
12. Excessive crankshaft end play
13. Flywheel housing misaligned
14. Worn main drive gear splines
15. Worn clutch hub springs broken, weak or worn
18. Dry or worn throwout bearing sleeve