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Rattle at 2500rpm

To only appear in that RPM range it could be a harmonic issue. It could also be in one of the VVEL assemblies. That's when they start to stage into

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Old 07-17-2013, 10:17 PM   #8 (permalink)
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To only appear in that RPM range it could be a harmonic issue. It could also be in one of the VVEL assemblies. That's when they start to stage into the higher lift. If you don't have a DMF "dual mass flywheel" the transmission will rattle something fierce. I've had to explain this to many people. Our manual transmission does not have end play tolerance specifications. So the gears, syncros, bearings, everything on the main and secondary shafts shift and move.
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