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Missing Sound Insulation?

hridge2020

Member
Apr 18, 2019
324
327
Central California
When I was performing my cabin air filter replacement when I removed the side panel. I noticed bare metal under the filter cavity/air exchanger. I did see some sound insulation on the edges but thats it. In the middle portion, it was bare. I had some leftover sound deading material and filled in that void.

Missing-Insulation.jpg
 

5_+JqckQttqck

Active Member
Apr 27, 2018
1,851
1,404
Toronto
When I was performing my cabin air filter replacement when I removed the side panel. I noticed bare metal under the filter cavity/air exchanger. I did see some sound insulation on the edges but thats it. In the middle portion, it was bare. I had some leftover sound deading material and filled in that void.

Missing-Insulation.jpg

Did it help with road/wheel noise?
 

ewoodrick

Well-Known Member
Apr 13, 2018
5,285
4,270
Buford, GA
Maybe the factory isn't leaving it out? Maybe it was determined that that wasn't a source of noise? Why wrap everything when research might indicate that only 30% needs to be wrapped?
 

cucubits

Active Member
May 17, 2019
1,718
1,749
TX
Maybe the factory isn't leaving it out? Maybe it was determined that that wasn't a source of noise? Why wrap everything when research might indicate that only 30% needs to be wrapped?

No, I'd say it was incomplete research and very much rushed design. The Model 3 is very poorly insulated for noise (road and wind).
 

jkdman123

Member
Jul 15, 2019
350
272
San Diego
I believe that you don’t need to cover every square inch of bare metal with sound dampening material. Certainly it will probably provide more dampening if you do, but I believe Dynamat claims you only need to cover 25% of the surface to dampen vibrations. Since the material adds cost and weight to the vehicle, it makes some sense that they probably only added the bare minimum.
 

dendenyc

Member
Apr 7, 2018
230
388
New York
You know under the evaporator there is space/hole somewhere that allows the condensation from the evaporator to drain from the car. I honestly don't know where those vent holes are located but I do know once I blasted cleaning foam on the evaporator and ran the AC my car peed a little from those holes. You might not wanna block those
 

cucubits

Active Member
May 17, 2019
1,718
1,749
TX
Hmmm, mine doesn't seem to have that problem.

Strange. It's possible this is also QA hit or miss issue. The one I've ridden in were very noisy even at slow speeds, ambient noise was loud and at highway speeds it was borderline ridiculous. My '18 ICE Beetle si way more silent.
 

Nogasmn

Member
Dec 8, 2018
232
126
Rochester
When I was performing my cabin air filter replacement when I removed the side panel. I noticed bare metal under the filter cavity/air exchanger. I did see some sound insulation on the edges but thats it. In the middle portion, it was bare. I had some leftover sound deading material and filled in that void.

Missing-Insulation.jpg
The battery is directly under that area, isn't it? I doubt any sound dampening/deadening would work in that area.
 

MrG_NY

Member
May 20, 2019
149
115
NY
Strange. It's possible this is also QA hit or miss issue. The one I've ridden in were very noisy even at slow speeds, ambient noise was loud and at highway speeds it was borderline ridiculous. My '18 ICE Beetle si way more silent.
The Model 3 is quiet.
 
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Reactions: cucubits

mswlogo

Well-Known Member
Aug 27, 2018
6,164
5,323
MA, NH
Strange. It's possible this is also QA hit or miss issue. The one I've ridden in were very noisy even at slow speeds, ambient noise was loud and at highway speeds it was borderline ridiculous. My '18 ICE Beetle si way more silent.

I agree at highway speeds the Model 3 is ridiculously loud. But at low speeds I found it extremely good.
 

Kirby64

Member
Jun 28, 2018
485
515
Austin, TX
That panel is completely enclosed with carpeted material on all sides... and underneath it is the battery. What's there to sound deaden? Sounds like a waste to me.
 

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