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  #1 (permalink)  
Old 03-06-2006, 01:09 PM
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Hatch Rattle...Cause Found...Solution=?



Well, after my hatch rattle getting to be really crazy anoying I started searching out the cause. I suspected the rubber bumpers not being effective enough but that's not it. I remember I have been closing the hatch fairly vigerously so I decided to check the trim/lining on the hatch to make sure it was well seated.


Guess what? It wasn't seated well at all. Actually large sections where there are apparently fasteners were loose to the extent when you pushed the liner into the hatch you could hear the fasteners clicking and seating once again.


The bad news. This is only a temporary fix. After driving the car for 40-50 miles (with PASM on soft) and NO firm hatch closures, the sound is back. And the liner is not seated properly again. My guess is that Porsche will have to improve the fasteners for the liner. I'm temped to take it off and silicone the whole thing into place, but that's probably not the best idea. -Pete
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Old 03-06-2006, 01:11 PM
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Hey Pete, which liner are we talking about?.......something actually on the hatch or on the body itself? Just curious....
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  #3 (permalink)  
Old 03-06-2006, 02:10 PM
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Glad you found this, I've been trying to identify that noise as well and my cayman only has 650 miles.
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  #4 (permalink)  
Old 03-06-2006, 04:37 PM
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Was told by my dealer that Porscheis aware of this problem and was only a issue on some of the first builds. Apparently it has something to do with bolts not being properly tightened at the factory.


Unfortunately didn't get too many details.
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Old 03-06-2006, 04:43 PM
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I posted on this in another thread. I've owned half a dozen 2 seat hatchbacks and every one of them had a hatch-rattle. All of them were from the liner. Nearly all manufacturer's use a 'male / female interferrence fit post and hole approach' (some use clips and posts). Almost always the culprit.


I used a small amount of caulk to seal my hatch liners (for good). I wouldn't use glue just in case you miss one post or it comes loose, you'll want to be able to pull the liner back off.


Paul
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  #6 (permalink)  
Old 03-06-2006, 05:40 PM
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I guess it's the large interior trim piece that snaps to the inside of the hatch. Not sure of the mounting method. Live Devo said, some type of sealant or caulk that would give if you needed to take it off for service could be the way. Hopefully Porsche will have a real fix.


Chitown- I'm not sure about the bolts. Definitely some type of press-in fasteners are loose. Perhaps there are bolts in the system too that would keep in more snug. I have a long drive to do this week and can see myself putting this back into place at each stop. Sounds crazy though.


In the mean time, if you have a rattle, open that sucker up and firmly rap the lining with your fist and see if it doesn't snap back into place. Then go for a ride and see! -Pete
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Old 03-06-2006, 06:07 PM
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Ive had the same issue. The dealer put some fabric tape between the offending plastic parts - in my case the speaker grill and the housing.


Then another noise, from the plastic covering the suspension strut and the hatch lining. I pulled the parts so there was enough space between them. No rattle, but not ideal.


What I still get is a huge clangging rattle from the hatch when I hit bumps. It sounds like a van!


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Old 03-06-2006, 07:01 PM
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Freestyle, I get exactly the same noises as you. Did you take it back in to Stratstones? If you did, we may have alittle more amunition for them to do something if we go in together, or at least make sure they know that WE know about each others problem.

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Old 03-10-2006, 12:41 PM
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I just got back from a 700 mile trip and I have to say the rattling drove me absolutely mental. Weather here is supposed to be nice for the weekend so I may tear it apart and see what I can do to improve the situation. Looks like 22-23 MPG at 74MPH cruising with 1,000 miles on the car. -Pete
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  #10 (permalink)  
Old 03-13-2006, 06:40 PM
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Another! update. Parcel 'hider' removed. My theory about the interior lining on the hatch started to fade so I removed this piece and voila, I believe the rattles are gone. Needs more driving to be sure. Pretty cheesy piece that is. We will see. -Pete
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Old 03-13-2006, 07:12 PM
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Mine started rattling at 950 miles. Something had work loose back there and it is almost a buzz now. Taking it to the dealer tomorrow.
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Old 03-13-2006, 07:33 PM
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This is starting to sound exactly like a similar problem experienced on first model year Audi TT's. The cargo-cover was a two-piece snap-together fit that started to rattle like crazy. Owners would revert to disassembling them and glueing them together instead of relying on thefriction fit.Audi eventually replaced it with a single molded piece under warranty, thus solving the problem.


Stratmosphere, can you isolate the area of the cargo cover that is causing the noise?
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  #13 (permalink)  
Old 03-13-2006, 07:43 PM
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My early guess would be the quick release gizmo thumb deals (being technical). They have a weird retention system and hardward and maybe not enough spring tension. After I'm SURE I've found that this eliminates it, then I will fiddle with the parcel cover.


Here's a funny one. I bought one of the first Acura Integras in 1986. At the last minute they had to add a shelf to the rear hatch for USA for a 3rd brake light. I know you know where I'm going. It rattled like CRAZY!


Oh, I had Audi TT #1349 in the world at the launch of the TT too! -Pete
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Old 03-14-2006, 12:46 AM
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Pete, you made go and me dig up my TT stuff. You beat my Audi TT by 402 cars, mine was VIN 1751.


I guess we are now enjoying our well-earned 'step up'. It is certainly nice to finally have a 1st gear and a 2nd gear that is usable up to 45mph. However, I must say that trunk in the TT was big with the seats down...it definitely was warehouse-club-capable!


Plus, this is strangely coincidental>>> my car before the TT was an 96 Acura Integra.

Edited by - Kman-Went on 03/13/2006 6:48:02 PM
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Old 03-14-2006, 10:37 AM
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The hatch on mine also rattles sometimes, but it appears to depend how I close it. It seems to require quite a hefty shove to get it to catch and stay closed - is this normal or is it a work around to try to resolve the rattle problem? So much for the user guide's suggestion to close it by letting it drop...
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Old 03-15-2006, 02:35 AM
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