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2009 911 turbo cab. A very annoying sound, like a wind rattle from the passenger sidewjen the engine warms up and the revs are above 3000. only happens while accelerating. Dealer insulated heat exchange pipes(?). Any help would be appreciated.

  • 2009
  • 911 Turbo Cabriolet
Mileage: 
29 000
Engine
Toronto, 
Ontario

There is a very annoying sound, like wind vibration coming from outside the passenger side window. It happens once the engine warms and when I rev over 3000 rpm. It only occurs with acceleration and seems to get quieter air smoother over 4000rpm but I think it's because the sound of the normal engine is louder. The dealer placed insulation around heat exchangers which may have helped temporarily. The last comment was that it's the turbo kicking in. That would only make sense if it is causing a rattle or vibration somewhere because the noise isn't there all the time.
Thanks

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