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Perception
Noise when starting the engine
Problem
D.M.F. starter ring gears heavily worn or broken
Cause
Defective starter
Perception
D.M.F. fails
Problem
Excessive trace of grease on the back
of the primary flywheel
Cause
Thermal overload or mechanical damage/overload
Perception
D.M.F. malfunction, noise
Problem
Burnt residues of abraded lining inside ventilation
holes
Cause
Slippage and high thermal load
Perception
D.M.F. fails
Problem
D.M.F. bearing is damaged
Cause
Wear and/or mechanical impact
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