22 · Diagnostics

Clutch slipping

Fault diagnosisClutch slipping

CLUTCH SLIPPING

1.6 TS

During acceleration, a consistent increase in the engine speed is noticed without a corresponding increase in the speed of the vehicle

0	PRELIMINARY CHECK	All OK	Problems met	Operation
		Results of the tests
	With the engine running, press the clutch pedal and engage 4th speed Accelerate and gradually release the clutch pedal	Continue to Step 1	The vehicle does not move and the engine speed increases	Continue to Step 1
1	CLUTCH ASSEMBLY - FLYWHEEL CHECK	All OK	Problems met	Operation
	Check, in order: clutch plate wear clutch plate fouling that the clutch plate is not distorted condition of diaphragm spring condition of flywheel (in particular the condition of the surface, uneven wear, signs of overheating)	Continue to Step 2	Plate worn	Replace the assembly Op. 1810A20
			Plate fouled with oil or grease	Replace the clutch plate, clean the assembly, eliminate oil leaks Op. 1810A24
			Plate distorted	Replace the assembly Op. 1810A24
			Spring broken	Replace the assembly Op. 1810A24
			Flywheel scored	Replace the flywheel Op. 1824B22
2	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'

2.0 TS

During acceleration, a consistent increase in the engine speed is noticed without a corresponding increase in the speed of the vehicle

0	PRELIMINARY CHECK	All OK	Problems met	Operation
		Results of the tests
	Connect the diagnostic equipment (Examiner or Examiner plus) to the diagnostic socket and check that there are no errors in the Selespeed control unit	Continue to Step 1	Faults in the control unit	Continue according to the instructions for the diagnostic equipment
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Keeping the diagnostic equipment connected, carry out the following active diagnosis: Clutch self-calibration Clutch push rod adjustment	Continue to Step 3	Fault persists	Continue to Step 2
2	CLUTCH ASSEMBLY - FLYWHEEL CHECK	All OK	Problems met	Operation
	Check, in order: clutch plate wear clutch plate fouling that the clutch plate is not distorted condition of diaphragm spring condition of flywheel (in particular the condition of the surface, uneven wear, signs of overheating)	Continue to Step 3	Plate worn	Replace the assembly Op. 1810A20
			Plate fouled with oil or grease	Replace the clutch plate, clean the assembly, eliminate oil leaks Op. 1810A24
			Disc distorted	Replace the assembly Op. 1810A24
			Spring broken	Replace the assembly Op. 1810A24
			Flywheel scored	Replace the flywheel Op. 1824B22
3	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'

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