Troubleshooting Clutch Problems (Hyundai Elantra XD)

Sign		Probable cause	Method of elimination
Clutch slippage The car does not accelerate when the engine speed increases Insufficient vehicle speed Lack of power on climbs		Insufficient clutch pedal clearance	Adjust the clutch pedal clearance
		Clogged hydraulic clutch drive	Clean or replace parts
		Excessive wear of the clutch disc	Replace the clutch disc
		The disc is jammed on the splines of the primary shaft or oil is on the friction linings	Replace the clutch disc
		The pressure plate or flywheel is damaged	Replace the pressure plate or flywheel
		The diaphragm spring is weak or broken	Replace the pressure plate
Difficulty shifting gears		Excessive clutch pedal free play	Adjust the clutch pedal free play
		Fluid leak from the hydraulic clutch drive	Locate the leak and fix it
		Clutch disc wear or corrosion	Replace the clutch disc
		Excessive distortion of the clutch disc	Replace the clutch disc
Clutch noise	When the clutch is not used	Insufficient clutch pedal free travel	Adjust the clutch pedal free play
	When the clutch is not used	Excessive wear of the clutch disc	Replace the clutch disc
	Noise appears after clutch disengagement	Worn or damaged clutch release bearing	Replace the clutch release bearing
	Noise when disengaging the clutch	Lack of lubrication on the surface of the support bushing	Lubricate the surface of the bearing sleeve
	Noise when disengaging the clutch	The clutch release bearing is not installed properly	Repair it
	Noise appears when driving with the clutch partially engaged	The guide bushing is damaged	Replace the guide bushing
The clutch pedal is difficult to press		Insufficient clutch pedal lubrication	Repair it
		Not enough grease on the clutch disc splines	Repair it
		Not enough lubrication on the clutch release shaft lever	Repair it
		Not enough grease on the front bearing cover	Repair it
Gears shift with difficulty or do not shift at all		Insufficient clutch pedal free travel	Adjust the clutch pedal free play
		The clutch release cylinder is faulty	Repair or replace
		Excessive clutch disc runout	Repair or replace
		The splines of the input shaft of the gearbox are dirty or rusty	Repair it
		The clutch pressure plate is faulty	Replace the clutch pressure plate
Clutch slippage		Insufficient clutch pedal clearance	Adjust the clutch pedal clearance
		Clogged hydraulic clutch drive	Clean or replace parts
		Clutch disc wear	Replace the clutch disc
		The clutch pressure plate is faulty	Replace the clutch pressure plate
		The clutch release fork mount is broken	Repair it
Clutch vibration		The clutch disc is warped, worn out or has oil on it	Check the clutch disc
		The clutch pressure plate is faulty	Replace the clutch pressure plate
		The diaphragm spring is damaged or broken	Replace the pressure plate
		The clutch disc damping spring is damaged	Replace the clutch disc
		The clutch mount is loose	Repair it
Clutch noise		The clutch pedal bushing is damaged	Replace the clutch pedal bushing
		The fastening in the clutch housing is loose	Repair it
		Clutch release bearing is worn or dirty	Replace the clutch release bearing
		The clutch release fork mount is broken	Repair it