Adding sound deadening. Soon.

[Area51BS]

Window motor

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[Area51BS]

Isn't that the rear window motor.

Yes

 

[AndrewSKY117]

That's really cool to see results already! I can't wait to start doing this but at the same time a little afraid of taking apart a new vehicle

 

[bcording]

When talking about the firewall/floor one should also keep in mind the various power train options. AWD/FWD/Turbo/Hybrid likely have different sound levels and pitches.

 

[Shawshi]

Just reading the post and wondering how much noise is entering through the pressure relief vent bottom center behind back seat. I don't have my Mav yet.

 

[Area51BS]

Just reading the post and wondering how much noise is entering through the pressure relief vent bottom center behind back seat. I don't have my Mav yet.

There are two more near bottom of pillars.

 

[Area51BS]

That's really cool to see results already! I can't wait to start doing this but at the same time a little afraid of taking apart a new vehicle

Really quite easy. Speaker grill is hardest. Zoom in on picture and you can see hole where clips snap into near headliner.

 

[Area51BS]

I’m pleased with results. I just need to finish under the seat. The truck is really quiet. I might double up with left over deadening. Definitely not worth taking apart entire truck.

 

[uh50]

Yeah spray in liner would definently help

Since I have the dealer installed spray-in liner, maybe that's the reason I haven't noticed noise coming from the rear of the cab.

 

[Area51BS]

Since I have the dealer installed spray-in liner, maybe that's the reason I haven't noticed noise coming from the rear of the cab.

Maybe. Not sure how much a hard spray liner does. Not like the truck was really noisy to begin with.

 

[AndrewSKY117]

Really quite easy. Speaker grill is hardest. Zoom in on picture and you can see hole where clips snap into near headliner.

That's good to know. I am going to do a liner in the bed, but this doesn't hurt as something extra! I'm sure it helps either way. Thank you for showing us the progress and results.

 

[Area51BS]

Well, still some more runs to do but my initial tests with the foam behind the backseat made no discernible difference to my ear. Have some more commutes to do and will use my sound meter application but not hopeful, but it was free and easy...

My next thought is doors. My reasoning being the floor, while I am sure is a source, is significantly heavier gage than the door skins. Next behind that I think would be the firewall / forward footwells.

Thoughts?

If I proceed further, I will start with front doors and take a peek at kick panel area.

 

[Area51BS]

This speaker grill was the only pita to remove. Yellow arrow is the magnet not seen behind seatbelt. Blue circle is the 7mm. Red circle is the 2 clips that you must push panel towards roof and hit the cross or they will not pull out. Remove bottom of panel first obviously.
You can see one of the other vents just behind speaker panel in bottom corner.

 

[AndrewSKY117]

If I proceed further, I will start with front doors and take a peek at kick panel area.

I'm curious on how easy it is to pull apart the doors. I hope it's not too difficult! I always want to watch a video of someone pulling apart a panel before I do it myself because I feel like I tend to pull in the wrong direction and usually risk breaking plastic clips lol.

 

[Scott Asheville]

From watching Sandy Munro's teardowns, sound control is super interesting. The OEMs do computer simulations to identify thrumming panels and have a whole litany of solutions to throw at it. Sprays. Stick-on material. Stiffening ribs for die-cast parts. Laminations. The trick is solving it with the cheapest, lightest possible solution, and keeping it easy for the assembly line.

I'll be really interested in watching your progress, as I'm guessing Ford hit cost targets by passing up sound proofing where they could. For those monitoring his results, remember that 3 db is a perceived doubling of sound level.

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