Clutch System Symptom Diagnosis

CLUTCH SYSTEM SYMPTOM DIAGNOSIS

Condition	Possible Cause	Action
Slipping	Improper clutch pedal free travel	Bleed air or replace master cylinder .
	Worn or oily clutch disc facing	Replace disc .
	Warped disc, pressure plate or flywheel surface	Replace disc, clutch cover or flywheel .
	Weakened diaphragm spring	Replace clutch cover .
	Master cylinder piston or seal cup not returning	Replace master cylinder .
Dragging clutch	Improper clutch pedal free travel	Bleed air or replace master cylinder .
	Weakened diaphragm spring, or worn spring tip	Replace clutch cover .
	Rusted input shaft splines	Lubricate .
	Damaged or worn splines of transaxle input shaft	Replace input shaft .
	Excessively wobbly clutch disc	Replace disc .
	Clutch facings broken or dirty with oil	Replace disc .
	Fluid leakage	Repair or replace .
Clutch vibration	Glazed (glass-like) clutch facings	Repair or replace disc .
	Clutch facings dirty with oil	Replace disc .
	Release bearing slides unsmoothly	Replace clutch operating cylinder assembly .
	Wobbly clutch disc, or poor facing contact	Replace disc .
	Weakened torsion springs in clutch disc	Replace disc .
	Clutch disc rivets loose	Replace disc .
	Distorted pressure plate or flywheel surface	Replace clutch cover or flywheel .
	Weakened engine mounting	Replace engine mounting .
	Loosened engine mounting bolt or nut	Retighten engine mounting bolt or nut .
Noisy clutch	Worn or broken release bearing	Replace clutch operating cylinder assembly .
	Input shaft front bearing worn down	Replace input shaft bearing .
	Excessive rattle of clutch disc hub	Replace disc .
	Cracked clutch disc	Replace disc .
	Pressure plate and diaphragm spring rattling	Replace clutch cover .
Grabbing clutch	Clutch disc facings soaked with oil	Replace disc .
	Clutch disc facings excessively worn	Replace disc .
	Rivet heads showing out of facing	Replace disc .
	Weakened torsion springs	Replace disc .