Diaphragm fouled on clutch disc
Indicator:
Difficult to engage/disengage gear, grating noise and hard pedal at the end of the operating stroke.
Cause:
- Flywheel depth or step incorrect
- Clutch thrust bearing has fallen off the gearbox nose cone slide.
- Clutch disc too thick
- Incorrect clutch free travel (too much pre-load)
- Faulty clutch hydraulics
Effect:
Diaphragm fouled on clutch disc. Crashing in gear and unable to obtain clutch adjustment.
Action:
- Check flywheel depth or step incorrect
- Check for wear or damage to the gearbox nose cone slide
- Check clutch disc thickness
- Check clutch hydraulics and replace if necessary
- Adjust clutch free travel to manufacturers specifications
Trouble Shooting
- Clutch Cover
-
Clutch Disc
- Difficult Disengagement(10)
- Loss of Drive(5)
- Noise & Vibration(3)
- Other(2)
- Shudder (judder)(3)
- Slipping(6)
- Clutch Master Cylinder(1)
- Clutch Slave Cylinder(1)
- Clutch Spigot Bearing, bush (pilot bearing)
-
CSC (concentric slave cylinder)
- CSC Leaking(1)
- Loss of Fluid(5)
- Other(1)
- Flywheel
- Thrust Bearing
- Vehicle Diagnostics(6)
