YH4
GRAND
VITARA
CLUTCH 7C1-3
DIAGNOSIS
Condition Possible Cause Correction
Slipping Improper clutch pedal free travel.
Worn or oily clutch disc facing.
Warped disc, pressure plate or flywheel
surface.
Weakened diaphragm spring.
Master cylinder piston or seal cup not returning.
Bleed air or replace master
cylinder.
Replace disc.
Replace disc, clutch cover or
flywheel.
Replace clutch cover.
Repair master cylinder.
Dragging clutch Improper clutch pedal free travel.
Weakened diaphragm spring, or worn spring tip.
Rusted input shaft splines.
Damaged or worn splines of transmission
input shaft.
Excessively wobbly clutch disc.
Clutch facings broken or dirty with oil.
Fluid leakage.
Bleed air or replace master
cylinder.
Replace clutch cover.
Lubricate.
Replace input shaft.
Replace disc.
Replace disc.
Repair or replace.
Clutch vibration Glazed (glass-like) clutch facings.
Clutch facings dirty with oil.
Release bearing slides unsmoothly on input
shaft bearing retainer.
Wobbly clutch disc, or poor facing contact.
Weakened torsion springs in clutch disc.
Clutch disc rivets loose.
Distorted pressure plate or flywheel surface.
Weakened or loosened engine mounting
bolt or nut.
Repair or replace disc.
Replace disc.
Lubricate or replace input
shaft bearing retainer.
Replace disc.
Replace disc.
Replace disc.
Replace clutch cover or flywheel.
Retighten or replace mounting.
Noisy clutch Worn or broken release bearing.
Input shaft front bearing worn down.
Excessive rattle of clutch disc hub.
Cracked clutch disc.
Pressure plate and diaphragm spring rattling.
Replace release bearing.
Replace input shaft bearing.
Replace disc.
Replace disc.
Replace clutch cover.
Grabbing clutch Clutch disc facings soaked with oil.
Clutch disc facings excessively worn.
Rivet heads showing out of facing.
Weakened torsion springs.
Replace disc.
Replace disc.
Replace disc.
Replace disc.
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