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Does anyone know if there is a way to tighten the cabriolet top down when it is closed. Mine makes alot of noise while driving and I didn't know if this is possible.

Tried doing searches and could not find anything on this.

1999 996 Cabriolet.


There are several TSBs (Porsche Technical Service Bulletins) that specifically pertain to squeaking, rattling and groaning cabriolet tops. A friend broke one of the "centering pins" on his top and I found a TSB that said there's a newer part that solves the rattling problem. Specifically, 996 TSB 4/03 6110, "Rattling Noises from the Cabriolet Top". After we replaced the broken side and good side with the newer parts (from Sunset), he said his car ('99 996 cab) was quieter than it's ever been. The part numbers are 996 561 605 02 A09 and 996 561 606 02 A09 (left and right sides). Do a search on cabriolet top rattling here. Also become a contributing member so you can access the TSBs - definitely worth it. The upgrade parts are not expensive and are easy to swap out in about 10 minutes.

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great tips here...I just purchased a '99 996 with the top stuck in the open position. After following the steps to get it closed manually with no success I took it to the local non-dealer Porsche repair (Becks's in Scottsdale) to solve the problem.

Once I ge a chance to drive it with the top closed, we shall see if these new parts are needed.


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  • 5 years later...

I know, old thread. But I have been troubleshooting this rattling for months, it's driving me crazy!


Finally, I suspected it might be the centering pins located at the sides of the top. I put some cork gasket material around the centering pin and closed the top. Noise gone. Now I see there is a TSB that covers this problem.


I ordered the new pins from sunset per the TSB.

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  • 3 weeks later...
  • Admin

This is a great discussion and I'd like to access the TSB's but I'm unsure how to get to them ... I am a contributing member and searched in the members area as well and still no luck.  Any ideas where I can find these?


In the menu above - DIY Tools --> Porsche TSBs (not available on the phone version of the site - only full site view)



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  • 5 weeks later...

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