Trunk rattle
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=10693
Printed Date: August 13, 2025 at 1:52 PM
Topic: Trunk rattle
Posted By: the_grand_prix
Subject: Trunk rattle
Date Posted: March 10, 2003 at 3:14 PM
With my system "bump'n" my trunk has a ferocious rattle. How can I eliminate it and do it for cheap?
Replies:
Posted By: Velocity Motors
Date Posted: March 10, 2003 at 3:28 PM
Stuff the trunk with foam ( the same stuff from computer packing works great. ). Otherwise to do it properly, use Dynamat or Deadliner.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: bberman1
Date Posted: March 10, 2003 at 3:42 PM
If you’re going to invest your time just do it right. You can buy a roll of Brown Bread for around $160 with shipping from https://www.b-quiet.com/brownbread.html Brown Bread is a high quality product at a reasonable price and installing it is as easy as it gets
Posted By: the_grand_prix
Date Posted: March 10, 2003 at 3:50 PM
Well actually the rattle s from the outside. It comes from where the trunk meets the rear end. Does this change anythignabout the things you've said I should use?
Posted By: Velocity Motors
Date Posted: March 10, 2003 at 4:06 PM
Are you sure it's not the license plate rattling ?
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: the_grand_prix
Date Posted: March 10, 2003 at 5:06 PM
Yeah. When you push down or sit on the trunk the rattling stops.
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-Adam
Posted By: bberman1
Date Posted: March 10, 2003 at 5:12 PM
What happens if you push on the license plate?
Posted By: esmith69
Date Posted: March 10, 2003 at 6:23 PM
What kind of vehicle is this? And does it still rattle when you have the trunk open?
Posted By: the_grand_prix
Date Posted: March 10, 2003 at 8:10 PM
It's a 1990 Grand Prix and the rattling stops while the trunk is open. I figure it's rattling in between the trunk and the rest of the car near the rear end.
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-Adam
Posted By: esmith69
Date Posted: March 10, 2003 at 8:36 PM
If it stops when the trunk is open, that probably means it's something inside the trunk lid. Line as much of the lid as possible with sound dampening material. Try to get the part that is vertical when the trunk is closed, as it seems like this is where the rattling seems to be coming from, right?
Posted By: the_grand_prix
Date Posted: March 10, 2003 at 8:41 PM
Yeah thats where. I'll try that.
Thanks
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-Adam
Posted By: bigmurf127
Date Posted: March 10, 2003 at 9:32 PM
if you wanna go cheap try putting a rubber or carpet lining between the lisence plate and the car, and tape the latch down on the inside or put something between the trunk and the latch
Posted By: the_grand_prix
Date Posted: March 11, 2003 at 3:30 PM
I found out that its the reinforcement in the trunk. like the under layer of metal. If you know what I'm tlaking about, it's impossible to get something inbetween that and the trunk lid. HOw can i stop THAT from rattling?
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-Adam
Posted By: ih8tktz
Date Posted: March 11, 2003 at 4:15 PM
get that expanding monofoam. It wont hurt nothing.
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