VS - Transmission Systems Dual-Mass Flywheel DMF valeoscope

Perception D.M.F. fails Problem Strong noise and no torque transmission. Secondary flywheel is blocked or free to rotate at 360° Cause Mechanical damage Perception Loud humming, vibration Problem Balance weight missing (possible to see welding spots) Cause Mechanical impact on balance weight Perception Noise and vibration Problem Secondary flywheel free to rotate beyond permissible free movement Cause Springs’ loss of effectiveness Perception Frequent noise, and difficulty in changing gear Problem Folded or incorrectly fitted dowel pins Cause Mechanical damage

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Perception D.M.F. malfunction, friction noise Problem Trace of liquid or solid grease from primary flywheel welding Cause Defective primary flywheel

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