 Just installed more dynamat, trunk still rattles |
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 Oct 17, 2004 - 4:14 PM
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 Enthusiast  Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%)  |
Yesterday I spent 4 or 5 hours hunched over in the trunk of my coupe putting on layers of dynamat to stop some annoying rattle coming a little bit from the license plate and a little from the upper left rear fender (gas cap area, w/e you want to call it), but after all that work there was little to no change. The rattle is still there, loud as ever, and there is a full layer of dynamat extreme in that area, and 2 layers on a lot of the trunk, including the trunk lid. Has anyone else had this problem? I had it before with the original dynamat but I thought using almost a whole bulk pack of extreme would solve it. Anyone that has gotten their trunk to be near silent when the bass hits please let me know if you had to do anything special in that area, because I'm starting to lose faith in dynamat, and I need to know if I should change to something else before I start work on the interior. And about the interior, does anyone have any tips on removing the roof lining? I haven't started this stage yet, but the rattling I hear on the inside seems to be coming from that area, so I'm going to check that out first. Thanks everyone. |
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Oct 17, 2004 - 4:43 PM
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 Enthusiast Joined Mar 20, '04 From North Carolina Currently Offline Reputation: 0 (0%) |
My friend had the same problem...I think theres a way to secure the plate/gas cap/trunk where it doesnt rattle any :\ ill tell you if i find anything out
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Oct 17, 2004 - 6:04 PM
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 Enthusiast Joined Jan 8, '04 From LA Currently Offline Reputation: 0 (0%) |
How many layers are over the entire trunk?
Furthermore, did you take the bumper piece behind the plate off? THats what causes the rattle- you need to stuff that entire area |
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Oct 17, 2004 - 6:28 PM
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Enthusiast Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%) |
I'm not quite sure what piece you're talking about, but the rattle isnt really comin from the bumper area, its all focused in the gas cap area. For your other question, there are 2 layers on the trunk lid, two layers on the back and license plate part, and then 1 layer on the left and right sides of the trunk. And about 3-4 small cuts/slices in each of my fingers. |
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Oct 17, 2004 - 6:38 PM
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 Enthusiast Joined Nov 12, '03 From Crestview, Florida Currently Offline Reputation: 2 (100%) |
i bunched up some layers of duct tape behind my license plate and that seemed to cure it.
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Oct 17, 2004 - 6:45 PM
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Enthusiast Joined Mar 20, '04 From North Carolina Currently Offline Reputation: 0 (0%) |
try putting another layer or 2 on the left side, around the gas cap area, just an idea :\
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Oct 17, 2004 - 6:50 PM
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Enthusiast Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%) |
I have 2 18x32" sheets left outta the bulk pack, so that is an option, but I don't want to take everything out of my trunk again if I don't have to. |
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Oct 17, 2004 - 7:40 PM
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Enthusiast Joined Jan 8, '04 From LA Currently Offline Reputation: 0 (0%) |
You need a LOT more layers on the side- you've got the gas cap mechanism itself;along with the spare tire tools if you still have them in. As for rattle on the back bumper- you'll understand what I'm talking about when u quiet the other areas down |
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Oct 17, 2004 - 7:48 PM
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Enthusiast Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%) |
My spare tire tools are in the compartment with the spare below the subs, but it must be the gas cap mechanism. Once I have free time and it's not raining I'll use what I have left on that area and hope it quiets down, thanks everyone. |
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Oct 18, 2004 - 2:43 PM
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Enthusiast Joined Sep 6, '03 From hudson ,iowa Currently Offline Reputation: 1 (100%) |
if you are having problems withthe licence plate just cuta peice and stick it to the back of the plate and screw it back on thats soped my plate from rattleing
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Oct 18, 2004 - 2:57 PM
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Enthusiast Joined Jan 8, '04 From LA Currently Offline Reputation: 0 (0%) |
After you get to a certain SPL level- the entire bumper piece behind the plate rattles- its never secured very well |
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Oct 18, 2004 - 6:08 PM
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Enthusiast Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%) |
I got the dynamat license plate kit long ago and took care of most of that, thanks though. |
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Oct 18, 2004 - 6:24 PM
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 Enthusiast Joined Feb 13, '03 From California Currently Offline Reputation: 2 (100%) |
what i did is got like the rubber type sponge that comes on new cars off the trucks( i work at a dealership) cut it into a small square and shoved it in the license plate holder area....fixed that rattle good
-------------------- 2011 Spice Orange Mini Cooper
2011 Alpine White BMW E92 M3 gone but not forgotten 2008 Space Grey BMW Z4 ///M 2009 Black Honda Civic LX Coupe 2006 Magnetic Black Nissan 350Z 2007 Crimson Red BMW 335i Coupe |
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Oct 18, 2004 - 6:32 PM
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 Enthusiast Joined Mar 23, '03 From New Orleans Currently Offline Reputation: 5 (100%) |
could be the lid, 'cause you have a coupe
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Oct 18, 2004 - 10:08 PM
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Enthusiast Joined Jan 8, '04 From LA Currently Offline Reputation: 0 (0%) |
Lol, that thing was sooo overpriced |
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Oct 18, 2004 - 10:36 PM
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 Enthusiast Joined Dec 26, '02 From Alabama Currently Offline Reputation: 2 (100%) |
mine does it, I just gave up.
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Oct 18, 2004 - 10:40 PM
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Enthusiast Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%) |
Lol yeah it was like 12 bucks but I didn't know ne better. I thought it was making all of the rattle...then I realized it was hardly any of it. Well what are you gonna do? |
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Oct 19, 2004 - 12:29 AM
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 Enthusiast Joined Nov 8, '02 From New Zealand Currently Offline Reputation: 0 (0%) |
Hi, I don't know much about coupes, but could it be your antenna motor? I recently had mine out and it's only secured with one bolt and the screw on top. If that bolt has loosened a little it could be creating your rattle.
Just a thought 
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Oct 19, 2004 - 1:17 AM
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Enthusiast Joined Mar 9, '04 From San Carlos, CA Currently Offline Reputation: 0 (0%) |
Hmm haven't looked back behind in that area but that's an idea. I do know my antenna doesn't ever go up, but then again i never listen to the radio so who am i to complain? I'll check out the thing you were talking about next time im back there, thanks. |
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