184000427 - E10 CLUTCH PEDAL HARDENING

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Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Press the clutch pedal and check whether there is excessive resistance
Since the symptom is 'subjective', make sure that there really is hardening compared with the previous condition which was considered 'normal', or compared with similar cars
Continue to Step 1There is no resistance
1CHECK ON CLUTCH LEVER TRAVELAll OKProblems metOperation
Check, inside the engine compartment, that when the clutch pedal is pressed, the clutch control lever on the gearbox performs the correct travelContinue to Step 3Incomplete travel of clutch lever on gearboxContinue to Step 2
2CHECK ON CLUTCH PEDALAll OKProblems metOperation
After disconnecting the clutch pedal from the transmission , check that it travels freely without tight spots or stiffnessContinue to Step 3After disconnecting the clutch pedal from the transmission , check that it travels freely without tight spots or stiffnessReplace the pedal Op. 3330B26
3CHECK ON CLUTCH RELEASE LEVER AND BEARING (WITH GEARBOX REMOVED)All OKProblems metOperation
After removing the gearbox, check that the lever is not stiff (because of dirty or insufficient lubrication) and that the clutch release bearing runs freely in its seating and shows no signs of damageContinue to Step 4The presence of dirt or wear caused by insufficient lubrication does not allow the clutch release bearing to slide correctlyReplace the faulty or damaged parts
4CHECK ON CLUTCH ASSEMBLYAll OKProblems metOperation
Visual check on the condition of the clutch assembly, on which there should be no breaks (pressure plate) and/or obvious damage (driven plate) Measurements using the gauge as per manualContinue to Step 5Obvious damage of clutch disc and/or breakage of pressure plateReplace the assembly Op. 1810A24
5CHECK ON SPLINED CLUTCH HUBAll OKProblems metOperation

Check, in order:

  • that there is no excess grease on the clutch plate hub bushes and the gearbox main shaft;
  • condition of hub and main shaft
Continue to Step 6Main shaft damaged, hub worn, excessive grease on bushesReplace hub and/or main shaft
6CHECK ON FLYWHEEL CONDITIONAll OKProblems metOperation
Check the condition of the flywheel.

In particular, check:

  • condition of surface;
  • wear;
  • chips;
  • signs of overheating
Continue to Step 7Flywheel damagedReplace the flywheel Op. 1024B10
7CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.