E10 CLUTCH PEDAL HARDENING - Alfa - 156 - eLearn

3233030 - 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"

1	CLUTCH PEDAL CHECK	All OK	Problems met	Operation
		Results of the tests
	Check the clutch pedal travel	Continue to Step 2	Pedal travel not correct	Restore the operation of the clutch pedal Op. 3330B26
2	CLUTCH CONTROL LEVER CHECK	All OK	Problems met	Operation
	Check: that the clutch control lever travel is correct for the presence of grease at the joints	Continue to Step 3	Lever travel not correct	Restore the lever travel Op. 1820A24
		Continue to Step 3	Bush seized or lack of grease	Restore the operation of the clutch (See Assembly 1820B)
3	OPERATING CYLINDER CHECK	All OK	Problems met	Operation
	Check: that the clutch operating cylinder push rod returns correctly to the rest position; the outer surface of the cylinder: make sure that there are no traces of oil, resulting from the seizing of the piston inner seal	Continue to Step 4	Clutch operating cylinder faulty	Replace the clutch operating cylinder Op. 1820B30
		Continue to Step 4	Clutch pump faulty	Replace the pump Op. 1820B20
4	CHECK SPLINED HUB	All OK	Problems met	Operation
	Check for excess grease on the clutch plate hub bushes and the gearbox main shaft	Continue to Step 5	Gearbox main shaft hub faulty	Replace the gearbox main shaft (see OVERHAULING GEARBOXES Assembly 2110B)
		Continue to Step 5	Clutch plate hub bushes faulty	Restore the correct lubrication for the bushes If necessary, replace the clutch plate Op. 1810A20
5	CLUTCH PLATE CHECK	All OK	Problems met	Operation
	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 6	Clutch plate or pressure plate faulty	Replace the clutch plate Op. 1810A20
6	CHECK CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'