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Old 06-18-2014, 07:30 AM   #1
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rough noise from engine

can anyone help with a diagnosis? occasionally, as i am in 3 or 4 gear...as i let off the gas, there is a loud hum or growl from the engine compartment. it typically only happens when the rpm is about 3000. it will go away if i press on the gas or clutch again. but it is annoying. it only happens when i am driving and let off the gas. it sounds similar to driving on a very rough road.

thoughts?

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Old 06-18-2014, 07:59 AM   #2
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Have a look at this:

Boxster 986 vibration @ 3000/3200 rpm (fix?) - 986 Series (Boxster, Boxster S) - RennTech.org Forums
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Old 06-18-2014, 05:47 PM   #3
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thanks nimbus. sounds like others are having the same problem.
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Old 06-18-2014, 07:28 PM   #4
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thanks nimbus. sounds like others are having the same problem.
New flywheel fixed mine about 80K miles ago.
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Old 06-19-2014, 06:23 AM   #5
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thanks nimbus. sounds like others are having the same problem.
Mine does it when hot, it's annoying but at least you know it's what Porsche call 'normal'.

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