A4 (B9 Platform) Discussion Discussion forum for the B9 Audi A4 2017-

PSA: Rear Subwoofer Rattle Repair Under Warranty

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Old 02-21-2018, 11:01 AM
  #21  
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Originally Posted by caranddriver
Did they add that strip that was mentioned earlier in the thread? I have read that forum users have had the best results investing in Dynamat or similar to damp the rear panel and the doors.The rear panel seems the most straightforward. I hate the idea of taking the door panels off.
Yes twice, and im annoyed about it because it was worse after the second time, I do not trust any audi tech anyways, but I will be adding some dynamat on my own ! ill get some pics when i have time to get to it
Old 02-21-2018, 11:29 AM
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Originally Posted by caranddriver
Edited because I saw your previous posts. So it was $35 for the damping sheet since they had already taken apart your rear deck to put in the new sub to replace the poor sub they selected for the base audio. Wonder what it would cost? They'll need to charge me for labor.
In the summer of 2016 it cost me $100 for a Kicker 40CWD102 10" subwoofer, $35 for Stinger damping sheet, and 2 hours x $100/hour labor ($335).
Old 02-21-2018, 11:32 AM
  #23  
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Originally Posted by yb28
Yes twice, and im annoyed about it because it was worse after the second time, I do not trust any audi tech anyways, but I will be adding some dynamat on my own ! ill get some pics when i have time to get to it
Consistently very good reviews on Dynamat Extreme, 4.7 on Amazon. Stinger Roadkill gets good marks as well. Do you have to take apart rear deck to apply the Dynamat?

Originally Posted by emmgee
In the summer of 2016 it cost me $100 for a Kicker 40CWD102 10" subwoofer, $35 for Stinger damping sheet, and 2 hours x $100/hour labor ($335).
Thank you - that was a good investment.
Old 02-21-2018, 09:11 PM
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yeah apprently you just pry it or what not and then you can apply whatever you want...the guy on fb lined the entire thing
Old 02-25-2018, 05:56 AM
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Cool I'm having the same issue going to dealer to get it fixed also.
Old 04-07-2018, 08:12 AM
  #26  
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Default Dynamat from the trunk area

i too have some of these vibrations with certain types of music and at higher levels of bass. I have a sheet of Dynamat from my previous car speaker install and was hoping to cut it up into strips and adhere to the rear deck. My thought was to go from the trunk area without tearing the rear deck apart. Once Spring gets here (if ever, still snowed today in Ohio), i’ll apply and let you guys know if there are any improvements
Old 04-07-2018, 08:15 AM
  #27  
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In for the Dynamat report. Installation photos appreciated so we can see what we are getting into!
I put Dynamat in the doors of a previous car about 8 years ago and it made a *substantial* difference in sound quality, even on stock radio/speakers.
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