Thread: The rattle
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Old 02-15-2010, 10:49 AM   #5
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Join Date: Nov 2009
Location: Madison, Georgia
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If it is there in neutral and goes away when you press in the clutch and is not present when you are in gear then it would point to a clutch/flywheel related issue.

To my knowledge, if you have a straight stock car then you would not have a single mass flywheel.

The reason I ask is that they clack and rattle at idle due to the light mass being subject to the instantaneous acceleration of the motor within the overall rotation of the crankshaft. A dual mass or heavy flywheel smooth these moments of acceleration out and therefore do not clack the gears in the gearbox.
2001 Boxster S 3.6L, Zeintop
"Calling upon my years of experience, I froze at the controls." - Stirling Moss
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