Failed pilot bearing Replace pilot bearing and input shaft if
damaged.
Transmission input shaft splines worn/
damaged
Replace input shaft.
Tight or contaminated clutch disc splines Clean clutch disc and input shaft splines or
replace clutch disc as necessary
Flywheel housing to clutch housing
excessive misalignment
Replace faulty housing
Grease or oil contamination on facings Clean facings and repair cause of
contamination. If contaminant cannot be
removed, replace clutch disc.
401P/N 12261-683 REVISED: January 2015
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