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Old 03-04-2013, 03:50 PM   #1
hothatch
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Buzz from ac vents :(

This winter I've started to get an annoying buzz coming from the front ac vents. I have isolated the issue, and I'm now trying to think of a solution.

First image shows where the buzz is coming from. I believe the buzz is caused by the seam between the dash and vent vibrating, and there are a couple of things that make it buzz. When the engine is around 2k rpm, the seam buzzes, and when I'm on a rough road it buzzes. The buzz is not related to the AC or fan being on. It buzzes whether the AC or fan is on or not.



The above image shows exactly where the buzz is coming from, and the below image shows what I'm thinking about doing.



I've noticed if I press inward on this part of the dash, it mostly eliminates the buzz, but I wanted to see if anyone else had had this issue and what they've done to fix it before moving forward. I am thinking about finding some kind of thin dark grey foam material and cutting it to the shape of this seam so that it will create pressure when the door is closed.


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Old 03-04-2013, 04:13 PM   #2
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Originally Posted by hothatch View Post
...the below image shows what I'm thinking about doing.


I highly doubt that putting the words "FOAM" on the side of the dash will help.

Seriously, maybe it would be better to remove the vent and put some foam or some other damping material on the inside of the opening.
Judging from that photo, something seems to be misaligned there.
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Old 03-04-2013, 04:20 PM   #3
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Good idea, but how hard is it to pop them out? I generally try to avoid removing plastic parts because I feel like I always break off a bunch of little plastic tabs in the process.

P.S. I have tried pushing the vent around a little, to make sure it's seated right, and there isn't really any play in it, so no matter what, I'm pretty sure I will need to try and fill in the gaps somewhere.
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Old 03-04-2013, 04:34 PM   #4
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Good idea, but how hard is it to pop them out? I generally try to avoid removing plastic parts because I feel like I always break off a bunch of little plastic tabs in the process.

P.S. I have tried pushing the vent around a little, to make sure it's seated right, and there isn't really any play in it, so no matter what, I'm pretty sure I will need to try and fill in the gaps somewhere.
This is a how to somewhere. Twenty swapped vents. The is a screw on the back somewhere. You get to it by pulling that side panel off. Look in the mk3 interior section.
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