Clutch System Symptom Diagnosis

Precautions: General safety (00)

Condition	Possible Cause	Action
Slipping	Improper clutch pedal free travel	Replace clutch pedal arm and/or clutch master cylinder. •Clutch pedal arm: •Clutch master cylinder:
	Worn or oily clutch disc facing	Replace clutch disc.
	Warped disc, pressure plate or flywheel surface	Replace clutch disc, cover or flywheel. •Clutch disc and cover: •Flywheel:
	Weakened diaphragm spring	Replace clutch cover.
	Master cylinder piston or seal cup not returning	Replace clutch master cylinder.
Dragging clutch	Improper clutch pedal free travel	Replace clutch pedal arm and/or clutch master cylinder. •Clutch pedal arm: •Clutch master cylinder:
	Weakened diaphragm spring or worn spring tip	Replace clutch cover.
	Rusted input shaft spline	Lubricate input shaft spline.
	Damaged or worn spline of transaxle input shaft	Replace input shaft.
	Excessively wobbly clutch disc	Replace clutch disc.
	Clutch facings broken or dirty with oil	Replace clutch disc.
	Fluid leakage	Repair or replace clutch system.
Clutch vibration	Glazed (glass-like) clutch facings	Repair or replace clutch disc.
	Clutch facings dirty with oil	Replace clutch disc.
	Release bearing does not slide smoothly	Replace clutch operating cylinder assembly.
	Wobbly clutch disc or poor facing contact	Replace clutch disc.
	Weakened torsion springs in clutch disc	Replace clutch disc.
	Clutch disc rivets loose	Replace clutch disc.
	Distorted pressure plate or flywheel surface	Replace clutch cover or flywheel. •Clutch disc and cover: •Flywheel:
	Weakened engine mounting or loosened engine mounting bolt(s) and/or nut(s)	Replace engine mounting or retighten engine mounting bolts and/or nuts.
Noisy clutch	Worn or broken release bearing	Replace clutch operating cylinder assembly.
	Input shaft right bearing worn down	Replace input shaft right bearing.
	Excessive rattle of clutch disc hub	Replace clutch disc.
	Cracked clutch disc	Replace clutch disc.
	Rattle of pressure plate and diaphragm spring	Replace clutch cover.
Grabbing clutch	Clutch disc facings soaked with oil	Replace clutch disc.
	Clutch disc facings excessively worn	Replace clutch disc.
	Rivet heads protrude from clutch disc facing surface	Replace clutch disc.
	Weakened torsion springs	Replace clutch disc.