2427484 - E10 CLUTCH PEDAL HARDENING

When the clutch pedal is pressed, the resistance is excessive,
Since this symptom is 'subjective', make sure that there really is an effective hardening compared with the previous condition which was considered 'normal'
Results of the tests
1CLUTCH PEDAL CHECKSAll OKProblems metOperation
Check the clutch pedal travel and operation Continue to Step 2Pedal/pedal assembly faulty Restore the operation of the clutch pedal
2CLUTCH PUMP AND PIPE CHECKAll OKProblems metOperation
Check the operation of the pump and the impulse damper and make sure that there are no obstructions in the clutch pipes Continue to Step 3Clutch actuator faulty or oil leaksReplace the components involved Op. 1820B48
3CLUTCH OPERATING ACTUATOR CHECKAll OKProblems metOperation
Check the condition of the clutch actuator, inside the bell housingContinue to Step 4Clutch actuator faulty or oil leaksReplace the components involved Op. 1820B48
4CHECK SPLINED HUBAll OKProblems metOperation
Check for grease on the clutch plate hub bushes and the gearbox main shaft, and the condition of the assemblyContinue to Step 5Clutch plate hub faultyRestore the correct lubrication of the bushes and, if necessary, replace the clutch plate Op.   1810A20 
Gearbox main shaft hub faultyReplace the gearbox main shaft Op.   2110B20 
5CLUTCH PLATE CHECKAll OKProblems metOperation

Check:

  • clutch plate wear
  • that the clutch plate is not distorted
  • that there is no damage to the pressure plate diaphragm spring
Continue to Step 6Clutch plate or pressure plate faultyReplace the clutch plate Op.   1810A20 
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis