PSA: Rear Subwoofer Rattle Repair Under Warranty
08-31-2017, 01:18 PM
#11
AudiWorld Senior Member
As a data point, in January of this year I rented a 2017 A4 out of Denver (via SilverCar) with just a couple thousand miles on it. It had the stock non-B&O stereo and (probably) this exact rattle. It was pretty bad; I suspect you'd know straight away if you suffer from it.
08-31-2017, 03:00 PM
#12
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Hey everyone, I too experienced this bad rattling. There are two solutions, first is that there is a TSB to add some dampening strip to the rear deck.
Second is the rattle sound may not actually be from the rear deck, its the brake light cover on the window. They are currently working on mine as we speak.
Second is the rattle sound may not actually be from the rear deck, its the brake light cover on the window. They are currently working on mine as we speak.
01-05-2018, 10:38 PM
#13
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thank you
Last edited by Cristimate; 01-05-2018 at 10:42 PM.
01-06-2018, 06:04 AM
#14
Not to sound picky, but I wouldn't call it "padding". It is called damping sheet. It is a thick rubbery material that has a sticky side that just sticks onto the surface. It is a common product used in speaker installations. Google "Stinger damping sheet" (which is what my dealer used) and you'll see plenty of pictures. Go to YouTube and you'll see lots of how-to videos. It is about the lowest-tech solution you'll ever see but it completely cured my vibration problem on the rear deck. If I crank the sound up really high I'll hear vibrations here and there. I suppose I could fix those with more damping sheet. I'm a fan.
01-06-2018, 06:51 AM
#15
AudiWorld Junior Member
my A4 had same subwoofer rattle issue, took it to dealership and they added additional dampening strip, covered under warranty. this fixed the problem for me
02-20-2018, 06:16 PM
#16
AudiWorld Senior Member
Thank you forum for sharing that the dealer does have a fix for B&O subwoofer rattling/vibrating the rear deck. I will make them look at this on my upcoming 10K servicing. I am incredulous that this wasn't addressed before production - didn't someone test the stereo? I don't even have the bass cranked up either and it vibrates on certain tracks. I also find the doors are not all that well padded either.
02-21-2018, 08:18 AM
#18
AudiWorld Senior Member
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.
02-21-2018, 08:30 AM
#19
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.
02-21-2018, 10:08 AM
#20
AudiWorld Senior Member
My car audio dealer used Stinger damping sheet (probably the equivalent of Dynamat) across all of my back deck when they installed the nice, beefy Kicker subwoofer. No problems with vibration since then. They didn't put it in the doors. As I wrote above, if I really crank it up there can be some vibration. But for normal listening levels it's great.
Last edited by caranddriver; 02-21-2018 at 10:16 AM.