Dual mass flywheel. Porsche 957 Cayenne 3.6L  ›  95511401210

Dual Mass Flywheel – Manual Gearbox

OE Match dual mass flywheel for the Porsche 957 Cayenne 3.6ltr V6 fitted with the 6-speed manual transmission.
                     
Fits:

• Porsche 957 Cayenne 3.6L 2007-10       

The dual mass flywheel sits between the engine and clutch, transferring engine torque to the transmission while helping isolate drivetrain vibration and torsional movement. Its two-part construction provides additional damping compared with a conventional solid flywheel, helping deliver smoother clutch engagement and more refined drivetrain operation.

What Does the Dual Mass Flywheel Do?

The flywheel connects the engine crankshaft to the clutch and transmission. As well as providing the friction surface used during clutch engagement, a dual mass flywheel helps absorb rotational vibration produced by the engine before it reaches the gearbox.

This damping effect helps provide smoother take-up from a standstill, reduces drivetrain vibration and contributes to quieter, more refined operation.

Why Does a Dual Mass Flywheel Fail?

The internal springs, bearings and damping mechanism of a dual mass flywheel are subjected to continual movement, heat and drivetrain loading.

Wear can be accelerated by:

High mileage Repeated clutch slipping Excessive heat Frequent heavy-load starts Worn clutch components Excessive drivetrain vibration General mechanical wear within the damping mechanism

Unlike a conventional solid flywheel, the internal damping mechanism of a worn dual mass flywheel can develop excessive rotational or axial movement.

When Should It Be Replaced?

Typical symptoms of a worn dual mass flywheel can include:

Rattling or knocking from the bellhousing area Excessive vibration at idle Judder when pulling away Rough or inconsistent clutch engagement Unusual noise when starting or switching off the engine Excessive free movement in the flywheel Clutch replacement where the existing flywheel is outside its permitted wear limits

The flywheel should be carefully inspected whenever the clutch is removed.

Checks During Replacement

When replacing the flywheel, also inspect:

Clutch friction disc Clutch pressure plate Release bearing Flywheel mounting bolts Crankshaft rear main seal Gearbox input shaft Clutch release mechanism

Replacing worn clutch components while the gearbox is removed can help avoid repeating the considerable labour involved in accessing the flywheel.

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95511401210

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