Contaminated Clutch Related Symptoms: Slipping. Cause: Leaking transmission or engine seal. On high mileage vehicles, always replace the rear main bearing and the transmission input shaft seals.
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	Friction Material Contamination Related Symptoms: Slipping. Cause: Leaking transmission or engine seal, contamination of the friction material during installation.
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	Bent Clutch Cover Related Symptoms: Release problems. Cause: Damage prior to installation, misaligned flywheel dowel pins, improper installation of the clutch.
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	Excessive Lubrication Related Symptoms: Slipping, release problems. Cause: Excessive lubrication of the input shaft splines. On startup, the excess lubrication spun off the input shaft onto the pressure plate.
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	Chatter Marks Related Symptom: Release problems. Cause: Incorrect installation of the clutch. The clutch was distorted when it was bolted to the flywheel incorrectly. Chatter marks were caused by the uneven actuation of the diaphragm spring fingers. Heavy finger wear would be evident on the diaphragm spring fingers opposite the chatter marks.
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	Uneven Finger Wear Related Symptoms: Incomplete release, noise. Cause: Incorrect installation of the clutch. The clutch was distorted when it was bolted to the flywheel incorrectly. The pressure plate side would have chatter marks on the side opposite the lighter finger wear.
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	Excessive Finger Wear Related Symptoms: Slipping, noise Cause: Excessive bearing preload caused by riding the clutch, incorrect release bearing installation, defective hydraulic release system or cable self-adjuster, insufficient free play causing the bearing to ride constantly on the diaphragm spring fingers. The release bearing may seize or make noise before slipping is noticed.
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	Broken Hub Related Symptoms: Noise, engagement problems. Cause: Disc was not properly aligned and the transmission input shaft was forced into the hub, shoving the center of the hub out. The abrasion marks on the leading edge of the disc splines indicate the input shaft was forced into the hub. Never force the transmission into the disc or use the bell housing bolts to pull a transmission into place.
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