13/14 GT Heat extractors leak water into CAI? - Mustang Evolution

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Old 07-16-2014, 11:59 PM   #1
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13/14 GT Heat extractors leak water into CAI?

Only after I installed my Airaid CAI last week, learned somewhere in the forums here (pls redirect me if nec.) about the 2013/14 GTs leaking water into CAI boxes through the heat extractor on the drivers side. I hadn't even thought of that and I understand that Airaid skirts the issue as far as a fix is concerned.

Any experience with workarounds that don't destroy the CAI asthetics? I saw posts where people covered the filter and box -- either with opaque plastic shrouds or plexiglass covers -- and they seemed to wreck at least the looks. I was wondering if anyone has tried to solve this by engineering an extractor drain of sorts that bypasses the box on the exterior?

It rained the night after I installed my Airaid. There was some puddled water in two indentations at the bottom of the box (maybe 2 Tbsp. at most). I tried to clear it but only got some out. I swore I heard my car almost backfire leaving the driveway.

I'm afraid of going to car wash. Am I overreacting? Or is this a real issue? Oh, and can I be pissed at Airaid for not addressing this?

Thanks...
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Old 07-17-2014, 12:11 AM   #2
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I ran the AirAid for over a year thru some extreme storms without any protection. Not a problem at all.

But I became paranoid so I got some foam rubber and cut it into an L shape which I wedged between the hood and the panel. It will pool there but if you're driving the water will evacuate towards the back away from the intake compartment. I tested it with a hose and it kept the intake filter dry. The pooling of the water eventually slowly leaked out toward the front.
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Old 07-17-2014, 12:57 AM   #3
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Water dam?

Sounds ingenious. Having a little trouble picturing it. If you ever get a chance to cop a pic that would be awesome.
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Old 07-17-2014, 02:02 AM   #4
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Ok first you have to make an outline of the opening between the hood and the heat insulation. You just need it to stretch from the front to the back just past the second vent (approximately 7 inches from the inside of the L shape).

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Next transfer the outline to the foam rubber sheet. The foam rubber must be at least half inch thick. Make sure that the outline thats transferred to the foam is just slightly bigger than the outline that you drew from the hood. Being a bit bigger (about 1mm beyond the outline should work) it will be clamped down once the it is installed in place.

Try to make the edges as straight as possible. This keeps little openings from happening because the edge is t straight when clamped between the hood and the panel.

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Now being a rubber material it will dry up over time from the dry heat of the engine bay. I use some K&N oil to provide a light coating.

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Then I install it in place. Make sure that you place the foam so that the middle thickness of it is on the edge of the panel and the top is secured to the top part of the panel by the hood vents.

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Finally, you should test the leak by two methods:

1.) first shine a light thru the top of the hood into the hood vent and see if you can see light bleed thru. Seeing some white foam brighten up is fine just not actual rays of light.

2.) Then close the hood and pour a cup of water thru the first and second openings of the hood vents.

You should see that water does not drip into the intake compartment.

Spray some more oil every month or two to keep it from drying up and cracking.
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Old 07-17-2014, 02:06 AM   #5
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You could use black foam if you can find it if you're worried about looks. Or spray it black.
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Old 07-17-2014, 04:56 PM   #6
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Wouldn't worry about it. More water gets in ur engine compartment just driving in the rain... Splashing in from underneath. People are way too worried about this. For disbelievers, just mount a gopro in there for fun one day!
I have the Steeda btw.
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Old 07-17-2014, 05:45 PM   #7
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Had an Air raid and now have a massive Rev Auto 5" intake filter and have never had any issues with water. I wont deny that it does happen, but I imagine its people who have messed with those vents to try to get more heat out or something.
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Old 07-17-2014, 05:47 PM   #8
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Unless someone is pouring buckets of water into your hood vents then there's no issue. Intakes can get a little wet, just not saturated.
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Old 07-17-2014, 09:22 PM   #9
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I have the steeda cai and not one problem I even pressure wash it with no problems


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Old 07-18-2014, 06:35 PM   #10
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Thanks everyone!

Comforting relief to hear it's not that big of an issue. Thanks to everyone! Especially to DallasStang for an eligant fix, should I want to do it. That was simple and pretty cool.

Thanks again!
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Old 07-19-2014, 03:30 AM   #11
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Quote:
Originally Posted by RoadBoss2014GT View Post
Comforting relief to hear it's not that big of an issue. Thanks to everyone! Especially to DallasStang for an eligant fix, should I want to do it. That was simple and pretty cool.

Thanks again!
Yeah like I said I ran it for a good year or more without issue. It was just a sorta piece of mind kinda thing that got me to do it.

Enjoy your Stang!
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