Okay, so here it is: My Hyundai I30 FD 2007/2011 sound insulation/noise reduction deep-dive
Materials/special tools:
- Noico 2 mm aluminium butyl mat (i used roughly 4-5m²)
This work by sucking vibration out of metal, stopping sound creation
- Noico Red 4 mm, in hindsight could have considered the 8mm too (i used 3,4m²)
This works by absorbing airborne sound and stopping it spreading and echoing.
- High Temperature Hoodliner Foam 11mm unbranded (i used 1m²)
Same as Noico red but high heat resistant
- Advanced Acoustics Soundproofing Mat 2mm (i used 2,5m²)
This works by blocking airborne sound with mass. very basic.
- Roller tool for the Butyl mats, see guides further down
- Car trim removal tool set
- Tesa cloth tape (used this just everywhere i went to tape up anything that could or looked like it could rattle)
Reserch/guides:
(How to)https://www.youtube.com/watch?v=D3iD3lYMI6g
(About and how to)https://www.youtube.com/watch?v=P4ylKyoY_oU
(Perfect door disassembly guide)
How to Fix and Install a Hyundai i30 Window Regulator Mechanism Assembly FD 07-12 - YouTubeThere are many more like theese and i recommend watching a few more,
first 2 explain well how and why and the 3rd, the door disassembly video
was for me the enabler that made me know i could make this project.
I will now go over what i did and the effects, in order, and thereby the effects in order as i experienced them.
Note that i used a ton of degeraser and brake cleaner because i had to remove some anti rust greese stuff everywhere i went.
I wont be talking about this, just remove it. Also this may not apply to you as i live in a wet and salty land and the car was treated.
Doors: First i did the doors. I used Noico 2 mm aluminium butyl and Noico Red 4 mm on top.
It took about 16 hours work and a major disappointment. it did little that i could tell apart from placebo.....huge disappointment.....
Until i turned on the car audio and learned that it improved the sound massively and fixed every major issue i had with the speaker sound.
I have now decided AGAINST upgrading the speakers, since they are now great and more powerful speakers may introduce new rattles.
Also the doors close like a mercedes now. very satisfying.
Trunk: I used Noico 2 mm aluminium butyl everywhere i could get without getting to brave on removing panels and seats.
then a mat of Acoustics Soundproofing 2mm on top of the spare wheel, under the floor liner.
This had some real effect that i could tell apart from placebo. Upon driving i got a decibel or two and i felt a little less vibration in the whole car.
and here comes some theory-crafting; i only got this effect noticeably from the trunk. i think cause i apply bytyl directly to chassis instead of on door/hatch
which only attach to the chassis by a couple bolts. and since the butyl works by 'sucking' vibration out of the metal, it makes sense it would
work so much better when applied directly to the chassis.
Hatch: Same as doors, Noico butyl and Noico red foam. but no guide for disassembly. tried my best, broke 1 clip because i twisted one panel a bit (never twist),
but was otherwise easy. I did this along with the floor mats and together it made a tiny difference that again was hard to tell apart from placebo.
Floors: Note this is an easy-escape solution. I did this because floor and roof requires complete disassembly of the whole interior to treat with Noico Butyl.
It would be nice but i just dont dare, its too hard for my skill level and if i break a bunch of clips i get rattles. Instead i Cut mats out of the
Advanced Acoustics Soundproofing mat 2mm. I cut them so they lay below the floor mats and add some sound blocking from below,
in hindsight i should have made them a bit longer in front to reach up under the dash and stop some motor sound.
be careful not to impede your speeder or brake.
Hood: I removed the hood-liner that came factory. Added Noico Bytyl to the metal and then i filled in all the ''holes'' with Noico red
untill i had made an even surface (+/- 2 cm) then i added the High Temperature Hoodliner on top to protect everything from the heat.
This really did the trick.. My car is a Diesel so it was loud before, but motor noise is perceivably down to half or less now.
Final result: Night and day difference. all the little differences stacked up real nicely. motor noise is massively down, the cockpit is clearly more insulated and
whole car vibration is down triggering less rattlers, altho at first it sounded like more rattle, because i could hear it better. the cloth tape and a rattle hunt was a great finnish.
At this point it feels like a far more expensive car. I wanna try a wheel well treatment and some softer tiers now, because its pretty much only road noice im hearing now.
i wouldn't recommend the full treatment if your 2007 I30 FD is some old junk. it was a lot of work.
but my late 2011 was in kinda nice condition and i feel worth the effort.
I hope someone gets use of this.
