Anyone disassmble the side mirrors? I want to try and take cars of some wind noise. - Ford Focus Forum, Ford Focus ST Forum
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Old 07-27-2013, 10:37 AM   #1
Etch.
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Anyone disassmble the side mirrors? I want to try and take cars of some wind noise.

Trying to clear up some of the way excessive wind noise from the car. Damn thing is very noisy on the road, particularly at 40+ mph. Road noise from the 18" lo pro tires I expect and not concerned with, but wind noise is TERRIBLE on this car. I'm getting it from both mirrors, both back doors, and the hatch.

The back doors I have quelled quite a bit by beefing up the door seals by feeding thru some round foam weatherstripping from home depot. Now they stay relatively quiet until 75 at which point they get pronounced again. Probably will do the same with the hatch if it has a split seal like the doors, but I was out of material.

With the side mirrors, they actually get quieter when wet, and can see the water along the seam of the painted cap and black rear lip dancing around in a fashion like air is pushing thru rather then from air moving across the top. Also the other day, I noticed a bit of spider web with a little something trapped on it inside the mirror well past the glass, and going down the road, it seems to buffet around quite a bit in there. Its back far enough into the housing that I think it's due to air getting inside from the front rather then backdraft from the back side. I want to stick some silicon on the seams/joints in the mirror to see if that helps at all. I see a few tabs that look like should pry up with a flathead screwdriver to remove the cap, but when I do so, the cap doesn't seem to budge at all as I pry them up. I don't want to put to much force and break em. So anyone done this before or run across a how to anywhere for the caps?


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Old 07-27-2013, 10:59 AM   #2
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on the mirrors I would recommend just doing a simple experiment with vortex generators. Would probably help regulate the airflow.

Ford put them on the mirror caps for the previous model Focus and I don't have much wind noise from the mirrors.
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Old 07-27-2013, 11:58 AM   #3
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I haven't played with the mirror caps before. But I have taken the glass out before. If you pull out from the outside of the car, carefully, the mirror will pop out. You may or may not be able to get a gun in there.
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Old 07-27-2013, 05:50 PM   #4
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Why not incorporate some kind of an ENC system?
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Old 07-27-2013, 07:41 PM   #5
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Quote:
Originally Posted by flyboyike View Post
Why not incorporate some kind of an ENC system?
While some cars have that stuff built in, I didn't even know there were aftermarket solutions available.

Either way...that is more expense then I want to put into it. As of right now, I'm only giving this car 90 days. If I can't iron out some of the shortcomings and get right with this car, I'm dumping it and eating the loss. I dunno if it was just a bad day at the factory or something as I don't believe or can't imagine anyways that the average focus is this bad. I think I'm just the winner of a poor example of one. Excessive wind noise is just one item on a growing list of things not quite right with it. It'll be quicker and easier to get over some lost money then be annoyed with the car for several years.
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Old 07-27-2013, 08:18 PM   #6
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Isn't there already a thread on this same issue? If I recall, a thin piece of foam or similar material was inserted between the mirror housing and the black piece that it pivots on and that stopped the whistling sound.
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