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Mike S.

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About Mike S.

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  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    Getting ready to buy a Cayman S
  • Future cars
    2007 Cayman S
  • Former cars
    1986 944 Turbo

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  1. Guys. This topic has been discussed at great length at www.CaymanClub.net. There are dozens of threads discussing it over there. It appears to be a common and still unsolved problem affecting the Cayman. The clunk is caused by a resonant counter weight that is installed in the hatch itself. Because the hatch is quite heavy and it sits on a flexible rubber seal, when the car goes over an abrubt bump the rubber seal will compress and the hatch will vibrate. Because it has a lot of surface area, this sends a loud audible bass note through the car. The weight changes the resonant frequen
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