Expanding foam in rear deck - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

xITSxTHExPOPEx · 05-25-2014, 04:46 PM

I dropped a 10" JL sub and powered it with a 300w cheap amp in the trunk. Sub sounds fine and just about everything is nice and tight except for the rear deck, at high volume it constantly rattles, and on the lower notes it rattles even with the volume super low (5-15). Digging around I noticed the previous owner must have removed the rear deck like an idiot because 2 of the 4 white clips seem to be missing or broken.

Rather than pulling it apart and replacing clips, you guys think it'd be safe to just tape up all the holes and shoot some expanding foam in there to tighten everything up? I dont plan to ever remove the deck seeing as theres no speakers in it to replace, nor do i plan on getting tint, so having it be a bitch to remove isn't really an issue. The only thing I'm concerned about is any wiring that might need to be accessed in the future that would be in there.

TLDR Is it safe to shoot some expanding foam under the rear deck?

gramicci101 · 05-25-2014, 05:13 PM

I think I'd rather put some dense sponges under it, purely because you don't know if you'll ever need to remove it again. Expanding foam is a pretty permanent solution.

xITSxTHExPOPEx · 05-25-2014, 09:02 PM

Quote:

Originally Posted by gramicci101

I think I'd rather put some dense sponges under it, purely because you don't know if you'll ever need to remove it again. Expanding foam is a pretty permanent solution.

That's actually a pretty good idea and I have quite a few big sponges lying around. I may have to try that tomorrow. Thanks!

rmjjensen · 05-26-2014, 07:45 AM

Have you checked your third brake light? I found that it most of my rattle stemmed from this plastic third brake light. All the plastic between the light itself and the clips made it sound horrible.

SuperKazRacing · 05-27-2014, 01:04 PM

Quote:

Originally Posted by rmjjensen

Have you checked your third brake light? I found that it most of my rattle stemmed from this plastic third brake light. All the plastic between the light itself and the clips made it sound horrible.

me too ! I finally had to remove it as my ALPINE 12inch Crushes it

!!! Tried many tricks.Some Worked ,some didn't. Removing it worked perfectly,and 75 ft of DYNAMAT ....

xITSxTHExPOPEx · 06-15-2014, 12:54 PM

Quote:

Originally Posted by gramicci101

I think I'd rather put some dense sponges under it, purely because you don't know if you'll ever need to remove it again. Expanding foam is a pretty permanent solution.

Sponge worked great check it out

http://www.ft86club.com/forums/showt...33#post1797433

05-26-2014, 07:45 AM	#4
rmjjensen Senior Member Join Date: Jul 2012 Drives: 2013 Subaru BRZ Limited in WRB Location: Wilmington, DE Posts: 204 Thanks: 17 Thanked 86 Times in 48 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Have you checked your third brake light? I found that it most of my rattle stemmed from this plastic third brake light. All the plastic between the light itself and the clips made it sound horrible. __________________ My Audio Build - 2 12s in a false floor and bangin. I love my BRZ

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05-25-2014, 05:13 PM	#2
gramicci101 Off Topic Join Date: Feb 2014 Drives: 2014 Subaru BRZ Limited Location: Vegas, baby! Posts: 4,610 Thanks: 2,369 Thanked 4,243 Times in 2,170 Posts Mentioned: 43 Post(s) Tagged: 3 Thread(s)	I think I'd rather put some dense sponges under it, purely because you don't know if you'll ever need to remove it again. Expanding foam is a pretty permanent solution.

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