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Old 01-02-2011, 06:35 PM   #1
scooby24
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Default 08+ Impreza Buzzing Front Speakers - Fixed

If you're like me and don't want someone else working on your car unless absolutely necessary, (warranty work included) and would rather fix minor issues yourself, here's how you fix the buzzing front speakers on your 08+ Impreza.

Thanks to J_Birds instructions on removing the door panels found here:

http://forums.nasioc.com/forums/show....php?t=1891166
Quote:
Originally Posted by J_Bird View Post
Step 1: Open small cover & remove screw.


Step 2: Open small cover and remove screw.


Step 3: Use a screw driver with a wide edge (keeping it horizontal) in this slot to pry up and start to release the clips. Once started finish removing by hand.


Step 4: Then remove these two screws, and disconnect the power windows/locks harness(s)


Step 5: Then carefully pull out & back toward the window to release the tweeter near the mirror.


(This is where the clip is that you are removing)


Step 6:Now just pull the door panel firm but gently up and you should see this.


(I was surprised at what I found when I got the door panel off. I was suspecting that I would find a paper plate and a rubber band. But, instead I found a 2-way!)


Step 8: There are three screws holding the speaker in the door, remove these.


Step 8: If you are going to be changing your speakers and purchased new models that can use the factory mounting plate, then you will need the remove the six screws that are holding the original speaker



Once you've done one door the rest should be simple. The rear doors are very similar to the front doors. The only difference is that before you pull the door panel up and off you will need to carefully remove the triangular piece of plastic from the area rite above the door panel towards the back of the car. It is held on by one clip as well.

I found that you need to be a little bit more careful on these than anything else.
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Old 01-02-2011, 06:36 PM   #2
scooby24
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Then, once you've removed the door panels, you'll see a white plastic baffle. This is the source of the buzzing.



It's held in by two plastic rivets that are melted on holding it in place so it's not removable unless you want to clip or cut it free. However, I believe this baffle serves to hold the plastic on the door taught so that it doesn't vibrate. To remove this would mean you might create a new source of buzzing.

The buzzing comes from the plastic on plastic with no insulation between.

Pick up some foam tape from your local hardware/home store


Then you'll insert two strips at the top and bottom of the baffle.




That's it! It's that simple.

I went just one step further and added some padding around the speakers where they screw into the door, just to help lessen the vibration making its way to the rest of the door's clips and other hardware. Not sure it made much of a difference.



While I was at it, I figured I'd try to tackle the rear dash rattle. I tapped all over the dash and couldn't find a source of the rattle. However, I did notice the rear taillight is sitting on top of the dash, plastic to plastic. I figured this might be a source.

Unscrew the two bolts you see below, unclip the power connector and then from inside the cabin you can pull up and back on the housing and it'll come right out.


I applied the foam tape to the underside of the housing and reinstalled. There is now no plastic to plastic contact.


I hope this helps
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Old 01-02-2011, 09:22 PM   #3
_nut_
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Great guide! I will use this when I upgrade my speakers.

As for the rattle in the back - I dont have the rear light (on the spoiler) but I did find that the plastic tray barely touches the glass. Getting that to stop is what fixed the rattle for me.
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Old 01-02-2011, 10:16 PM   #4
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I just removed the boxes completely and that helped stop any rattles.
Another source of noise is the sheet of plastic ("weather shield") between the panel and the door itself.
Remove the boxes and that plastic sheet and you'll never hear any rattles again.
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Old 01-03-2011, 10:54 AM   #5
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What!!!

You mean instead of spending 100$ on sound deadening to stop some rattles/buzzing you spent 10$ on some foam tape...!!!!

UNHEARD OF...









(I'm totally playing here man, good show, really... good show...!!)
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Old 01-03-2011, 10:57 AM   #6
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Quote:
Originally Posted by Aaron'z 2.5RS View Post
What!!!

You mean instead of spending 100$ on sound deadening to stop some rattles/buzzing you spent 10$ on some foam tape...!!!!

UNHEARD OF...









(I'm totally playing here man, good show, really... good show...!!)
Actually....

$2.47 + tax

I went driving last night and this morning and actually enjoyed the sound system a bit. It was nice turning up the volume on my ipod and having the dubstep sound relatively clear with nothing but the minor speaker distortion...no buzzing or rattling. So nice.

I didn't hear any rattling in the rear deck but I think it's too early to tell.
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Old 01-03-2011, 11:05 AM   #7
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2.47+ tax...



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Old 01-03-2011, 01:15 PM   #8
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It is amazing what can be done with very little foam weatherstripping tape. Truck cap/camper top tape is also a good way to go for this.

Another really cheap option for covering large areas in the doors with a foam product is a self-adhesive foam roll product made by Frost King. It is (or was) about $12-15 at HD or Lowes, and has foam with a metallic outer coating. I have used it in the past as a barrier membrane (as opposed to a mass-deadner). It can be applied to a clean metal surface, and if you want extra security that it won't detatch from the metal, secure it on the edges with metal HVAC tape.

http://www.frostking.com/Lowes/FoamF...Insulation.htm
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Old 01-03-2011, 08:27 PM   #9
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is the white box the cause of the notorious rattle in 08+'s?
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Old 01-03-2011, 09:28 PM   #10
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Quote:
Originally Posted by Pineapple Devil View Post
is the white box the cause of the notorious rattle in 08+'s?
Quote:
Originally Posted by Scooby24
Then, once you've removed the door panels, you'll see a white plastic baffle. This is the source of the buzzing.
yes, it is.
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Old 01-03-2011, 09:37 PM   #11
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Wow, those speakers are light years ahead of what I found in my doors.
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Old 01-05-2011, 10:05 PM   #12
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Wow, this post is very useful.

But I have a question, what kind of speakers should I buy to put in my Impreza 2010?

I don't want a killer system.. I just want a better sound than what it came from the factory... cause it sounds like hell.

any suggestion?

Thx
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Old 01-05-2011, 10:08 PM   #13
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Quote:
Originally Posted by jeff_ferguson View Post
Wow, this post is very useful.

But I have a question, what kind of speakers should I buy to put in my Impreza 2010?

I don't want a killer system.. I just want a better sound than what it came from the factory... cause it sounds like hell.

any suggestion?

Thx
If those are the speakers you have in your car, you're not going to see much of an improvement until you upgrade your head unit. The speakers themselves look to be pretty decent. However, they are not getting clean signals from the factory head unit. Since you don't have built in bluetooth, you're lucky in that you can go and get just about any decent HU without worrying about the factory extras working with it.
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Old 01-06-2011, 07:14 AM   #14
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Have u gone to the menu and turn the CS Surround on?
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Old 01-06-2011, 09:22 AM   #15
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Quote:
Originally Posted by tfiresmith View Post
Have u gone to the menu and turn the CS Surround on?
I have no option for CS Surround on my radio. Just Speed Volume and Beep.
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Old 01-06-2011, 09:32 AM   #16
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Quote:
Originally Posted by scooby24 View Post
While I was at it, I figured I'd try to tackle the rear dash rattle. I hope this helps
This has happened since 2008 WRX Sedan. Here is the fix:

1) Go out and buy painters rags (small rags from home depot, etc) or tear up an old shirt, but the rags are thicker.
2) Open your trunk and hit underneath the shelf and you will start to hear a vibrating noise.
3) Underneath the shelf there is a circle opening in the middle. Stuff rags inside it, a few of them.
4) Again hit the under section and it should sound muffled.
5) If not muffled enough, find other openings and stuff them too.
6) Go inside the car at the back seat.
7) Fold down the rear driver side seat and you will see on the right side the plastic shelf can be lifted from the metal of the car by the latch. Lift that a few mm and stuff (a kitchen knife works well) with rags.
8) Open the anchor latches at the top of the shelf and stuff the perimeter of the latches with rags.

I found that doing all of this fixes the rattle 99.9%. Now the only time you will hear a noise is on those highway pre-toll booth grooves which shake the whole car.
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Old 01-06-2011, 09:40 AM   #17
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Quote:
Originally Posted by Snow Drift View Post
This has happened since 2008 WRX Sedan. Here is the fix:

1) Go out and buy painters rags (small rags from home depot, etc) or tear up an old shirt, but the rags are thicker.
2) Open your trunk and hit underneath the shelf and you will start to hear a vibrating noise.
3) Underneath the shelf there is a circle opening in the middle. Stuff rags inside it, a few of them.
4) Again hit the under section and it should sound muffled.
5) If not muffled enough, find other openings and stuff them too.
6) Go inside the car at the back seat.
7) Fold down the rear driver side seat and you will see on the right side the plastic shelf can be lifted from the metal of the car by the latch. Lift that a few mm and stuff (a kitchen knife works well) with rags.
8) Open the anchor latches at the top of the shelf and stuff the perimeter of the latches with rags.

I found that doing all of this fixes the rattle 99.9%. Now the only time you will hear a noise is on those highway pre-toll booth grooves which shake the whole car.
Which hole? The one in the picture above where the brake light's wiring goes through. There's nothing contacting there.

I tried hitting the underside and the top of the dash to find any rattles and couldn't find any with the brake light off.

I should note that since I've done this, I've heard no noticeable noises from the dash. There's a very minor crackling noise but it's so quiet I cannot hear it over the road noise in the car and it's not persistent. It happens when going over bumps but it's not the constant rattle that I had before.

I noticed they put a lot of material between the dash and the metal..they might have tried to tackle a lot of the vibrations...but they obviously skipped the brake light.
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Old 01-06-2011, 09:49 AM   #18
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Quote:
Originally Posted by jeff_ferguson View Post
Wow, this post is very useful.

But I have a question, what kind of speakers should I buy to put in my Impreza 2010?

I don't want a killer system.. I just want a better sound than what it came from the factory... cause it sounds like hell.

any suggestion?

Thx
There are a couple of other threads going on this...
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Old 01-06-2011, 08:56 PM   #19
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Quote:
Originally Posted by scooby24 View Post
Which hole? The one in the picture above where the brake light's wiring goes through. There's nothing contacting there.

I tried hitting the underside and the top of the dash to find any rattles and couldn't find any with the brake light off.

I should note that since I've done this, I've heard no noticeable noises from the dash. There's a very minor crackling noise but it's so quiet I cannot hear it over the road noise in the car and it's not persistent. It happens when going over bumps but it's not the constant rattle that I had before.

I noticed they put a lot of material between the dash and the metal..they might have tried to tackle a lot of the vibrations...but they obviously skipped the brake light.
Yes, the big hole pictured. You should be able to stuff rags inside and to the left/right, it gets tight in there. At least in the 08 WRX Sedan.

They might of fixed a lot of the problems. In the 08 when you hit the top, or the bottom (inside the trunk area) you would hear a vibrating sound, like a rod making noise.

The buzzing sound is fixed by doing the Anchor and Kitchen Knife stuffing behind the rear right seat that I mentioned.

I don't have a third brake light inside since the WRX spoiler has built in LED lights.
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Old 01-13-2011, 12:33 AM   #20
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Thanks for linking this thread from the "2011 Imprezas and Beyond !!" thread.
I'll definitely be pulling the door apart when I get some time and I heat up the garage. I just happen to have loads of tape backed foam strips from insulation my house for winter too!

I figured that the door panel needed some form of insulation to minimize the vibration. Now I know for sure! Thanks again man.
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Old 01-13-2011, 10:51 AM   #21
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I was hoping to get some clarification on this...

I just picked up my 2011 wrx sedan a couple of weeks ago (enjoying it immensely). My "buzzes" are pretty minor so far, but they are definitely there.

For this passenger side door rattle, I seem to be noticing two separate types of buzzes.

1). general rattle-like noise that occurs on and off during normal driving and at any time. This one sounds like it could be either coming from the passenger side pillar (between the back and front windows) or the door panel itself.

2). tighter, more distinct "buzz" that occurs when playing bass/mid heavy music at higher volumes. This one seems to be coming from the speaker itself and sounds more like driving over the pre-toll booth speed bump things at high speed. My main concern with this one is down the road, if I decide to throw a JL audio cleansweep + amp behind the factory system...I wouldn't want to have to deal with a speaker buzz when cleaner sound/more juice is being fed to the factory setup.

Would both of these rattles be addressed with this one fix? I haven't investigated them too closely as they have been very minor and not too noticeable. I also hear the one on the rear decklid sometimes. I will probably have the dealer look at these when I go in for my first oil change at 1000 miles.

Thanks.
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Old 01-13-2011, 11:32 AM   #22
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When you take apart the door panel, you'll be able to find any other buzzing fairly easy. With the panel off, just turn the key to the on position and turn on the radio and listen for anything other than speaker distortion. You'll hear a lot of that.

I also thought I heard multiple types of buzzing, but fixing just the white baffles got rid of it all. Just make sure your plastic is tight and sealed all around...it could be rattling on something.
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Old 01-13-2011, 10:53 PM   #23
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Quote:
Originally Posted by foolycooly View Post
I was hoping to get some clarification on this...

I just picked up my 2011 wrx sedan a couple of weeks ago (enjoying it immensely). My "buzzes" are pretty minor so far, but they are definitely there.

For this passenger side door rattle, I seem to be noticing two separate types of buzzes.

1). general rattle-like noise that occurs on and off during normal driving and at any time. This one sounds like it could be either coming from the passenger side pillar (between the back and front windows) or the door panel itself.

2). tighter, more distinct "buzz" that occurs when playing bass/mid heavy music at higher volumes. This one seems to be coming from the speaker itself and sounds more like driving over the pre-toll booth speed bump things at high speed. My main concern with this one is down the road, if I decide to throw a JL audio cleansweep + amp behind the factory system...I wouldn't want to have to deal with a speaker buzz when cleaner sound/more juice is being fed to the factory setup.

Would both of these rattles be addressed with this one fix? I haven't investigated them too closely as they have been very minor and not too noticeable. I also hear the one on the rear decklid sometimes. I will probably have the dealer look at these when I go in for my first oil change at 1000 miles.

Thanks.
I'm hearing that SOA has confirmed 7500 OCI. I haven't heard doing your first at 1k, but I think* it would better sooner than later. I did mine at 3150k. I know the 11wrx comes with synthetic oil from the factory.
http://forums.nasioc.com/forums/show...2063145&page=4
(see post 80).
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Old 01-14-2011, 01:00 PM   #24
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I'm pretty sure the service/maintenence schedule included with my manual says 3750 or 3 1/3 months for all turbo vehicles...i'll have to double check. I'm doing my first change at 1k just for peace of mind and because it's the end of the "break-in period" (on top of bieng free). There are countless threads on this topic...
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Old 01-14-2011, 01:03 PM   #25
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Quote:
Originally Posted by foolycooly View Post
I'm pretty sure the service/maintenence schedule included with my manual says 3750 or 3 1/3 months for all turbo vehicles...i'll have to double check. I'm doing my first change at 1k just for peace of mind and because it's the end of the "break-in period" (on top of bieng free). There are countless threads on this topic...
Nope, service schedule in the manual shows oil changes every 7500 miles except for the first at 3750 but it has an * on it saying something like not required, but recommended.
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