• Improper break-in procedure
  • Flywheel was not properly resurfaced before new clutch installed
  • Flywheel is not parallel, or the friction surface is out of parallel with the crank flange surface
  • Flywheel has improper surface finish
  • Flywheel has severe hard spots or hot spots
  • Flywheel has incorrect step
  • Damage or excessively worn CV joints
  • Bad u-joints in drive shaft or u-joints misaligned
  • Excessive backlash in differential
  • Excessive driveline angle
  • Bad leaf springs, bushings, or mounts
  • Improper gear ratio versus tire diameter
  • Defective pressure plate and/or disc
  • Disc has inadequate or no marcel – not enough cushion between facings
  • Oil or grease on disc
  • Worn or damaged clutch linkage
  • Bent clutch assembly and/or disc
  • Improperly tuned engine
  • Worn or damaged engine mounts or transmission mounts