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Old 01-22-2004, 01:56 PM   #1
|Thrax|
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Default Who has the "front speaker rattle" in their WRX.

I get an annoying speaker rattle out of both my front speakers even at low volumes. Is this a known problem?

It is going to the dealer Sat to have the boost gauge installed, they are going to look at it.
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Old 01-22-2004, 02:41 PM   #2
Lever2ooo
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a better question is who doesnt
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Old 01-22-2004, 03:34 PM   #3
T Deneka
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I get a rattle that I think is coming from the little plastic clips that keep the panel in place. I was thinking of slathering some kind of goo (like silicone vacuum grease) to allow them to flex for door removal, yet prevent vibration.
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Old 01-22-2004, 03:44 PM   #4
02WRX_BLUE
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In my STI, the rattle was coming from the clear film that was convering the door inside the panel. It was sealed so tight that the speakers could not move the air freely hence film was making the rattle like noise from vibration. I had to cut an opening for air to travel. It cured it and no more noise even with base and volume all the way up...
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Old 01-22-2004, 04:08 PM   #5
HonduHunter
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i have it too...but i just thought it was because of the crappy stock speakers. who knows?
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Old 01-22-2004, 05:43 PM   #6
Bullit
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I had it in my '02 wrx. I too thought it was just bad speakers. Still don't have stereo in my Sti. I'd tell you am going crazy from it, but this car's too fun for that.
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Old 01-22-2004, 05:55 PM   #7
SubiescottyWRX
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I have it too...only on the front passenger side though......i think its something inside the door cause when i grab the door handle (not the one that opens the door , but the one in the door) it stops
i am gonna take it apart when it gets warmer.
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Old 01-22-2004, 07:51 PM   #8
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Quote:
Originally posted by LeVeR2oOo
a better question is who doesnt
Yep.
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Old 01-23-2004, 12:29 AM   #9
kenchan
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try some dynamat on the door panel itself around the honeycomb.

should help it quite a bit.
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Old 01-23-2004, 04:20 AM   #10
|Thrax|
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ahhh thanks for the tips. I had no idea this was so common.

2 weeks owning the car and fixing factory slip-ups.
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Old 01-23-2004, 04:01 PM   #11
ilara72
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Quote:
Originally posted by 02WRX_BLUE
In my STI, the rattle was coming from the clear film that was convering the door inside the panel. It was sealed so tight that the speakers could not move the air freely hence film was making the rattle like noise from vibration. I had to cut an opening for air to travel. It cured it and no more noise even with base and volume all the way up...
I agree with you on that one. I also vented my plastic covering.

Whats the point of the plastic? Anyone know?
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Old 01-23-2004, 04:23 PM   #12
T Deneka
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Keeps water away from all the electrical goodies.
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Old 01-26-2004, 12:50 AM   #13
TerraHopper
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Have a Nice Day? Front Speaker Rattle

I got it, too. I'm thinking I'll need to open up the door panels and put foam or some goo gasket stuff between spacer/door and spacer/speaker. I have a small hole cut in the plastic sheet for wires to pass through, so I think the rattle must be from the way I mounted my speakers.
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Old 01-26-2004, 03:02 PM   #14
pj's_Rex
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the plastic is called a vapor shield or vapor block. The stuff used to hold it in place is referred to under many names, and I only know it as dumb dumb. Its sold as the stuff used to hold windshields in place along with used as speaker gasketing material and whatever. Its like black tar basicly, I dont know what its chemical properties are, but its like tar. Anyway, its not a good idea to cut big holes in the vapor shield as in time water vapor can move from that area inbetween the window and the inner door skind. It will cause electrical connections to carrode, the cardboard like material that makes up the skin to rot, and the vinyl covering to peel away. Now that is what could happen, I have never seen it happen, and I know lots of people who take the vapor shield right off. To be honost I dont know what the big issue or even what some other solutions could be.

I would first state that the rattles you are hearing are not from metal resonsances, and so Dynamat will not fix the problem. However that doesnt mean that Dynamat wont improve the sound in other ways. You could remove the vaport shield and replace it with a sheet of dynamat, it would work in a similar fashion. However you ahve to be careful not to impede the functions of any mechanical part. Another solution would be to seal the plastic as much as possible using more Dumb Dumb. I get the stuff for free from either work or when I place orders for speakers at Parts Express. Attaching Dynamat to the plastic vapor shield will lower its resonance and thus stop some of the problem. However to do that effectivly would be very difficult, but experimentation would yield some results.

Well anyway, what I found to be the fix is not so simple. I looked around for what was causing it and found many culprits. One is that all those little holes in the metal door skin cause a sort of port chuffing. If possible, plug these holes with something. Then you have holes in the plastic, they do the same thing, they chuff. The chuffing turbulance also causes the plastic to rattle and shake, making the sound louder and higher in frequency. Thats just one problem, er end of the spectrum. The next issue is the speaker rattling the plastic door panel. part of it is that it hits the plastic grill and makes a sort of smacking sound. Another issue is simply that it resonates the door panel. Hear is a place were some strategic placing of dynamat on the door would help. I like the spray on stuff in such areas as its easier. I also would line the edge of the grill area with felt to help with that smacking problem and also trim all the excess plastic off, carefully of course.
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Old 01-26-2004, 05:18 PM   #15
Cardiff Giant
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I had some rattling in my front passenger door with certain bass notes. Turns out it was the plastic rain sheeting vibrating. I cut some of it away and now all is well.
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Old 01-26-2004, 07:30 PM   #16
|Thrax|
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wow, thanks for the tips. Thats a hella lot of info. :-D
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Old 01-26-2004, 08:10 PM   #17
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On the GF I found a little trimming of the plastic panel ribs around the speaker was needed to stop the rubber suround from smacking it. I also a 3mm foam rubber sheet glued inside the panel itself to drop resonance and help stop the plastic sheet and wiring rattling against the panel.
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Old 01-26-2004, 08:59 PM   #18
dan avoN7
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i just put in an alpine 9813 headunit and get a rattle/hiss noise when the sound is off out of my front left speaker. The sound is perfect when i have something playing but with everything off i get that noise. Could it just be a back connection with the deck and that wire or is that the problem you guys are having?
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Old 01-26-2004, 11:42 PM   #19
Rich10
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I got rid of the "speaker rattle" by getting rid of the plastic sheet and using Raamat.
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