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Rear deck vibration problem

Old Jan 24, 2005 | 09:42 PM
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Rear deck vibration problem

I'm getting a very loud rattling from the rear deck (where the speakers are) because of the sub in my trunk. I can see the whole thing rattling. I also think the air movement from the sub is causing the rear speakers to over-vibrate. Has anybody screwed, glued or otherwise secured the whole thing down? Might also get some buckets for the speakers to seal them off from the trunk. Thanks for any help.
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Old Jan 24, 2005 | 10:04 PM
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From: Seat 8A
A layer of dynamat should take care of it. If the plastic vibrates against the dynamat, or if you want a cheaper option, a bit of low-density floor padding (the stuff that goes under carpet) should take care of that. Can be gotten for free if you go to a subdivision that's under construction, or ask really nicely at a carpet installer location.
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Old Jan 25, 2005 | 05:27 AM
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Yeah i have the same problem it pisses me off, and it did'nt happen when i first got my subs, it started about a week and a half ago and now there is a **** load of vibration it sounds like crap. Has anyone done anyhting about this yet?
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Old Jan 25, 2005 | 05:36 AM
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dynamat extreeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeme. (=
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Old Jan 25, 2005 | 07:13 AM
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yeah but the thing is, does anyone know what the rear deck is vibrationg on or against. it could be the rear window, the metal suports underneath it, or somthin else.
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Old Jan 25, 2005 | 07:20 AM
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ski10804lifeYeah i have the same problem it pisses me off, and it did'nt happen when i first got my subs, it started about a week and a half ago and now there is a **** load of vibration it sounds like crap. Has anyone done anyhting about this yet?
The bass has a way of really loosening everything up. My old Sentra turned into a rattlebox from my old Kicker subs in 2 months. I used dynamat and it helps a little, but everything still has a way of coming loose.
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Old Jan 25, 2005 | 11:11 AM
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Originally Posted by ski10804life
yeah but the thing is, does anyone know what the rear deck is vibrationg on or against. it could be the rear window, the metal suports underneath it, or somthin else.
I'm pretty sure it's against the metal support underneath. Mines not hitting the window...that much bass would probably make my head explode!! Think I'll try the foam, dynamat is just SOOO expensive!
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Old Jan 25, 2005 | 12:53 PM
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From: Seat 8A
Originally Posted by fifty1fifty
I'm pretty sure it's against the metal support underneath. Mines not hitting the window...that much bass would probably make my head explode!! Think I'll try the foam, dynamat is just SOOO expensive!
Search around. Dynamat can be found fairly inexpensively. I bought the dynamat trunk kit for under $70 (it gives you enough to do your trunk lid, side panels, and floor.. I didn't do the spare tire well, so I had some extra to use on the rear deck). I don't remember where off the top of my head, though.
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Old Jan 25, 2005 | 01:50 PM
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if you happen to find the site with the trunk kit, keep us posted, i am looking to dynamat my trunk and possibly put some thunderfoam in the side panels to neutralize out some of the noise..
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Old Jan 25, 2005 | 04:21 PM
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Originally Posted by ski10804life
Yeah i have the same problem it pisses me off, and it did'nt happen when i first got my subs, it started about a week and a half ago and now there is a **** load of vibration it sounds like crap. Has anyone done anyhting about this yet?

Take out the subs!! what a novel idea
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Old Jan 25, 2005 | 06:44 PM
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From: Seat 8A
Got it at www.ikesound.com

http://www.ikesound.com/category-category_id/125

Raised the price a bit, is now $75.
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Old Jan 25, 2005 | 07:11 PM
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Originally Posted by ski10804life
Yeah i have the same problem it pisses me off, and it did'nt happen when i first got my subs, it started about a week and a half ago and now there is a **** load of vibration it sounds like crap. Has anyone done anyhting about this yet?
You have two 12 inch subs what do you expect. My old civic with 1 12" in it ,once a month I had to tighten every damn bolt in the interior. No more big subs for me
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Old Jan 25, 2005 | 07:56 PM
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What? What? I couldn't hear you over the distortion in my car.... I have never owned a car with a trunk before.... All I have ever had before now where trucks, SUVs, and a couple of hatchbacks. Well exept for the Fiero, but putting subs in the trunk of one of those is useless. I have never had to deal with the vibration problem before. In my Jeeps, it was all open so the subs had plenty of air to move. In my Eclipse the subs where installed where the back seat should have been. So now, I have my subs in the trunk, and the whole rear of the car is flexing and vibrating all lver the place. I can actually see my spoiler moving from the front seat when I start to crank the volume. The rear deck where the speakers are vibrates against my back window. Though I do like to get out of the car after a car wash and crank the volume and watch all the water drops shake off of the car....
I know, Shut Up... who wants to hear your music anyways.
I'll go to my corner now....
L8R, Jay
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Old Jan 25, 2005 | 08:08 PM
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From: Seat 8A
Originally Posted by Shado
What? What? I couldn't hear you over the distortion in my car.... I have never owned a car with a trunk before.... All I have ever had before now where trucks, SUVs, and a couple of hatchbacks. Well exept for the Fiero, but putting subs in the trunk of one of those is useless. I have never had to deal with the vibration problem before. In my Jeeps, it was all open so the subs had plenty of air to move. In my Eclipse the subs where installed where the back seat should have been. So now, I have my subs in the trunk, and the whole rear of the car is flexing and vibrating all lver the place. I can actually see my spoiler moving from the front seat when I start to crank the volume. The rear deck where the speakers are vibrates against my back window. Though I do like to get out of the car after a car wash and crank the volume and watch all the water drops shake off of the car....
I know, Shut Up... who wants to hear your music anyways.
I'll go to my corner now....
L8R, Jay
Dynamat is your answer my friend It'll keep your trunk lid from flexing.
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Old Jan 26, 2005 | 06:48 AM
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I started to get that too....its not REALLY bad but enough to make me want to do something about it. I only have 2 10's as well.

Here's a thought though...could this have happend JUST because of the cold. I always noticed that in the winter my cars in the past would rattle more. But, come summer it was fine again.

For those who think the Dynamat is too much you can try BROWN BREAD from a company called B-Quiet. Its good stuff and I heard its supposed to be a bit cheaper.
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