A duel mass will not loose total drive it will knock or shudder or vibrate and this will be felt on take off and at gear changes, a clutch will slip and shudder, smell burnt, the clutch pedal will release well up the travel often no drive until the clutch is almost fully released and if total failure no drive, so there are a few similar symptoms with both systems but a trained mechanic would normally pick the difference on a road test.
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Saturday, December 10th, 2016 AT 2:41 PM