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10
Dual Mass
Flywheel
breakdown
Perception
D.M.F. fails, noise
Problem
Discoloured blue-purple colour on both sides
and/or visible damage
Cause
Very high thermal load
Perception
Noise or impaired starter motor operation
Problem
Secondary flywheel scores the primary flywheel
Cause
D.M.F. bearing/bushing is worn out
Perception
D.M.F. fails
Problem
Grease egress, sealing cap missing or discoloured
brown due to overload
Cause
Thermal overload or mechanical damage/overload
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