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View Full Version : Has any one sound proofed the floor? (not hatch area)


bme107
07-08-2002, 07:09 AM
Any pics?
Any tips on removing the front seats, center console, kick panel plastics, and peeling back the carpet? (I know how to do the sills, rear seat and rear plastic at the B-pillars.)

Impulse
07-08-2002, 07:14 AM
Center console:
Take of the shift knob and pull the plastic trim, including the shift boot, off. This will expose two screws at the bottom of the center console. Remove the A/C knobs which will reveal two more screw. Unscrew these four and the center console will pop out.

Kick Panels:
I believe there is one bolt near the firewall holding these in. They just pop out aftert he bolt is removed.

Never took the seats out so I can't help ya there. The carpet should come right out after you remove the door sill plastic and the seats.

bme107
07-08-2002, 08:18 AM
Originally posted by Impulse
Center console:
Take of the shift knob and pull the plastic trim, including the shift boot, off. This will expose two screws at the bottom of the center console. Remove the A/C knobs which will reveal two more screw. Unscrew these four and the center console will pop out..........
I'm confused. What you described sounds like taking apart the dash for a stereo HU install. I was talking the part from the shifter back to the storage compartment/arm rest that is between the seats.

I haven't looked at the situation thoroughly but is it possible to remove the plastics that extend up under the dash from the sides of the center console. (the one with the removeable circular fuse panel cover)

Impulse
07-08-2002, 09:04 AM
Oh, ok. I misunderstood. I have never tried taking out the part between the seats. I'm sure there are screws somewhere though. I think that the plastic on the sides of the center console come out when you remove the cubby hole thing between the seats since it all looks like one big piece.

J3adSeed
07-08-2002, 09:12 AM
to do the center piece, you just pull the plastic piece off from around the boot, and then there's some bolts. its not hard. heheh.. then in the compartment between the seats, pull up the carpet and there are two 10mm i think bolts that will require a long extension on a ratchet to get to. the bolts in by the shifter should be easy to see and there should be one on each side of the outside.

J3adSeed
07-08-2002, 09:14 AM
i've sound deadened most of my car now, but haven't done the floor. so i'm wondering, who has done the floor and does the floor help? dynamat is really for vibration and doesn't stop much airborne sound, and the floor is pretty thick and doesn't really resonate, so the added benefits of dynamat down there seem very minimal for the amount you have to use. i think carpet padding would actually work better to combat road noise....

oldster
07-08-2002, 10:17 AM
You can find out how to remove the center console from the install section of the forum. Look for any of the ss installs. Can't help you on the rest, sorry. :(

Deftech
07-08-2002, 01:45 PM
Dynamat on the floor of the cabin actually does help quite a bit. You would be supprised how thin the floor actually is. It will resonate pretty well. I noticed a sig. Change in Road Noise after doing mine.

RIPPA
07-08-2002, 08:15 PM
why do you want to dynamat the floor? if its fir stereo then i wouldn't worry about it. the best thing to do is put the stereo in and listen for any rattles. once you find the source of the rattle dynamat that area. i have done my whole hatch area and did not really notice any diference as far as daily driving. dynamat is easy to install but you might be wasting your time by doing the whole interior. like i said just findthe spots that rattle dynamat it and be done. much easier and quicker

thats just my $.02.

DaJoker
07-09-2002, 12:44 AM
why do you want to dynamat the floor? if its fir stereo then i wouldn't worry about it. the best thing to do is put the stereo in and listen for any rattles. once you find the source of the rattle dynamat that area. i have done my whole hatch area and did not really notice any diference as far as daily driving.

if you dynamatted your entire hatch, but didn't do too much with dynamat in the cab in your car then you wouldn't be expected to reap too much in the way of lessened road noise.

if you are going to dynamat you should decide early on if you are going to go balls out with the stuff, or if you are just going to do spot placement to fix rattles.

bme107
07-09-2002, 04:55 AM
Originally posted by DaJoker
if you dynamatted your entire hatch, but didn't do too much with dynamat in the cab in your car then you wouldn't be expected to reap too much in the way of lessened road noise.

if you are going to dynamat you should decide early on if you are going to go balls out with the stuff, or if you are just going to do spot placement to fix rattles.
I did the whole cab and I did see quite a decrease in sound levels due to road noise. Only thing left now is the floor pan. I think that you would consider this "balls out" :D
green 1 layer
yellow 2 layers
red 3 layers
http://www.imagestation.com/picture/sraid11/pc92a7a0b64577706dfb069c398e670ce/fe13a955.jpg
http://www.imagestation.com/picture/sraid11/pb47656bc19013acdfa21bfbc75664844/fe13a950.jpg
http://www.imagestation.com/picture/sraid11/p0232244395017bf8d6bfe89883b35136/fe13a952.jpg
http://www.imagestation.com/picture/sraid11/p00e49e31464a7083c0be9445598a0864/fe13a953.jpg

oldster- the SS installs were just the ticket, I had forgot about them. :)

J3adSeed
07-09-2002, 05:52 AM
bme, i just dynamatted my car pretty much just like that this last weekend. it took me two full days to do that and some other stuff, but its really nice. i stuffed the sides packed full of fiberglass too, to make them completely solid and sound damped. i didn't do under the seats, since there's factory mat on there, and the seats are like 10 inch thick foam anyway. i also sealed up that big hole in the door w/ mat too.

when i knock on the sides of my car or my doors, its like knocking on a thick wood door. the difference is amazing.

bme107
07-09-2002, 11:27 AM
I covered the inside of the plastics with carpet padding.
http://www.imagestation.com/picture/sraid17/pf0e3c670e3f3f95e301f9f4e883a6a08/fdf6d9a2.jpg
It gives a real solid feel when you close the doors. Nice heavy thud like a luxury car.

You'd be surprised how beneficial doing the floor would be. The factory under coating is very thin as well as the padding and the carpet doesn't do much either. I think I'll do 2 layers (if it fits) and then try and add some more undercoating/damping spray next spring when I get a garage.

J3adSeed
07-09-2002, 11:56 AM
i like the carpet padding a lot. i dynamatted the plastics a little, to try and keep em stiff and not rattling, and i think i'll do that carpet pad too, although a lot of parts already have it stock. i planned on doing a layer or two on the floor if i have enough left, and then doing carpet padding definately.

bme107
07-09-2002, 12:18 PM
I re-glued the little padding that was already there, really firming it up. Then added my own over the top.

XYRCNCP
07-09-2002, 01:07 PM
ahh, the sound dampening topic again huh Brad?, I'm thinking about stripping the interior again and doing the carpet pad, since I have some leftover from the new carpet I put in my house.

SouthernGTS
07-09-2002, 01:09 PM
I know this is a stupid question but J3adseed you're talking about regular home insulation, right? And just stuff it in until the rear quarters are full, plus can you fit it in the B-pillars?

J3adSeed
07-09-2002, 01:22 PM
Originally posted by SouthernGTS
I know this is a stupid question but J3adseed you're talking about regular home insulation, right? And just stuff it in until the rear quarters are full, plus can you fit it in the B-pillars?

the fiberglass? yeah. i bought 8" thick r30 fiberglass, and started shoving it in from the hole under the rear speaker until it was packed in there, not behind the rear speaker, but packed in next to it and all above the wheel well and stuff. then i did the same from the trunk. packed it up in there above the wheel well and up some into the B pillars. up just past the bottom of the glass is where i got, i wasn't too worried about that part. but now is totally solid, and the trunk is much more sealed from letting the subs rattle the outside skin of the car or push air in there behind the rear speakers (which is bad). i took some pics, eventually i get em up online. i used expanding foam in the corners and edges as well.

make sure when you work w/ the fiberglass that you get some gloves and cover your arms, man that stuff itches. and be careful not to get it all over your car.

if you go to home depot, its the big yellow roll of 8" r30. its like 14 bucks or so. i used about 3/4 of it.

J3adSeed
07-09-2002, 01:25 PM
i was thinking about what to use on the floor besides carpet padding, and i saw some stuff at home depot. its like a real thick rubbery padding that's grey. they use it under vinyl floors. its thinner than the carpet padding, and i figure it'd be great to block sound, but hard to get to lay flat in the curves of the floor. maybe i'll try it out and see. i'm trying all this because they say dynamat is a very inefficient way to block sound, that foam and such will block sound waves much better while mat works great for vibrations (it'll block sound too but not as well).

SouthernGTS
07-09-2002, 01:30 PM
Does that tile padding have an adhesive back, if so I imagine that it would be similar to applying dynamat. If not I am sure that some spray adhesive would make it easier. If you do it let me know how it goes.

bme107
07-09-2002, 01:34 PM
Originally posted by XYRCNCP
ahh, the sound dampening topic again huh Brad?, I'm thinking about stripping the interior again and doing the carpet pad, since I have some leftover from the new carpet I put in my house.
I'd start with the doors. Easiest to get off and closest to driving position. Damn, I missed your system last month. Got to ckeck it out in July.

To all interested in more info on sound damping follow links to their forum pages and then do appropriate searches for like terms. These guys are all about car stereos.
www.elitecaraudio.com
www.sounddomain.com
Do the footwork first rather than just throwing stuff at your car.

J3adSeed
07-09-2002, 01:38 PM
its not sticky on the back. its just like, rubbery. its probably a quarter inch thick. when i first saw it i thought it'd be an awesome thing to put on the floor of the trunk under a sub box, because its not soft like carpet padding but it'll probably absorb tons of vibration. so if nothing else i'll use it there, but i'll experiment on the floor hopefully this weekend if i get all the rest of my raam mat on first.