3308720 - S25 CLUTCH NOISY'

When operating the clutch pedal; there is noise
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
With the engine idling and the gear lever in neutral, press the clutch pedal.Then, with the engine running and the handbrake applied, engage first gear and release the clutchThe noise does not disappear: Continue to Step 1 The noise disappears with the clutch pressed See table   S01 
The noise disappears with the gear engaged See table   S40 
1FLUID LEAKS CHECKAll OKProblems metOperation
Visually inspect for leaks of fluid from the clutch pump or pipes Continue to Step 2 Fault in the clutch operating circuitReplace the components involved (see Assembly 1820B)
2CLUTCH CHECKAll OKProblems metOperation

Verify:

  • clutch disc wear or 'vitrification'
  • that there is no damaged to the flywheel flexible coupling springs
Continue to Step 3 Clutch disc or pressure plate faulty Replace the clutch plate Op.   1810A20 
Presence of oil or grease Also replace the gearbox input oil seal Op.   2110C22 
Flywheel damaged Replace the flywheel Op.   1024B22 
3CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'