Homemade Dynamat... Not really.
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Homemade Dynamat... Not really.
Well, after figuring out what the rattling from my subs was( back glass hitting back panel), I was about to go buy a good amount of dynamat, when I figured, I'll just do it myself and see how it sounds. So, I got a box cutter, and some spare carpet we had lying around, and cut a thin strip and shoved it between the glass and the back panel, to where you can't see it through the bottom strip of tint. It worked like a charm.
Only thing I'll actually have to dynamat is my trunk.
Did the same thing with the inner door panels.
Pretty sweet.
Only thing I'll actually have to dynamat is my trunk.
Did the same thing with the inner door panels.
Pretty sweet.
I need TP for my bunghole
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Go the local auto store or home remodeling store
Get some rubber stripping like this for the back window.
Wedge it between the glass and the rear deck
Or
If the rubber is split in the middle, put it on the back edge of the rear deck and then re-install the rear deck.
Get some rubber stripping like this for the back window.
Wedge it between the glass and the rear deck
Or
If the rubber is split in the middle, put it on the back edge of the rear deck and then re-install the rear deck.
we call those "rattles" rather than "resonance"
great way to get your car quieter. ONlY thing missing is the additive that dynamat WONT get rid of rattles, merely resonances!
And to say that any time dynamat prevents a rattle, its because it also just happens to prevent the two offending materials from colliding. And thats unfortunate, considering your solution was a HELL of a lot cheaper and more effective!
add some expanding foam in the trunk sidewalls, rear quarter panels, trunk lid, and more padding via towels around seatbelt brackets or anything else that rattles, and your need for dynamat reduces drastically
great way to get your car quieter. ONlY thing missing is the additive that dynamat WONT get rid of rattles, merely resonances!
And to say that any time dynamat prevents a rattle, its because it also just happens to prevent the two offending materials from colliding. And thats unfortunate, considering your solution was a HELL of a lot cheaper and more effective!
add some expanding foam in the trunk sidewalls, rear quarter panels, trunk lid, and more padding via towels around seatbelt brackets or anything else that rattles, and your need for dynamat reduces drastically
I think my rattle might be coming from the back glass hitting the back panel, but this only happens when my trunk is FULLY closed - which makes me think otherwise. At first I thought that the sound waves might not reflect back when the trunk was open (of course), but then when I close my trunk almost completely (just not enough for it to lock closed) the glass doesn't rattle. Is this how yours was beforehand?
too long ago to remember. But pressure variations could cause something like that. Easily, actually.
but causation doesnt really matter. You know the trunk lid does not affect the rear deck plastic trim. and if your rattle stops when you wedge your fingers between the rear deck and rear glass, you know the rattle is your deck lid.
done
but causation doesnt really matter. You know the trunk lid does not affect the rear deck plastic trim. and if your rattle stops when you wedge your fingers between the rear deck and rear glass, you know the rattle is your deck lid.
done
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