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Old 03-09-2016, 10:39 AM   #26
JeffEngineer
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Default Body Sealant as a Culprit

If you can get somebody to wet your car with you in the trunk, you may be surprised where all water can get in. I discovered water coming out from between the body panels, which means the body sealant is beginning to break down. I found places around the rim of the trunk where the body sealant was showing signs of cracking, dug it out a bit, and back-filled it with flowable silicone (the theory being that the silicone would retrace the water paths and then set up). One of these days I'll go back and remove the top layer of silicone and seal the seams top side with some trunk joint sealer, then repaint.
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Old 03-09-2016, 11:31 AM   #27
Mitchwrxpaps
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Quote:
Originally Posted by JeffEngineer View Post
If you can get somebody to wet your car with you in the trunk, you may be surprised where all water can get in. I discovered water coming out from between the body panels, which means the body sealant is beginning to break down. I found places around the rim of the trunk where the body sealant was showing signs of cracking, dug it out a bit, and back-filled it with flowable silicone (the theory being that the silicone would retrace the water paths and then set up). One of these days I'll go back and remove the top layer of silicone and seal the seams top side with some trunk joint sealer, then repaint.
You do realize that this thread is from 2006 and that the OP is banned from Nasioc, right?
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Old 10-24-2016, 10:24 AM   #28
keyrock
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Gonna bump this thread back from the dead, since my 02 bugeye still has a trunk leak

After further investigation, my trunk had two separate leaks. 1) the spoiler was leaking water through the bolt holes and 2) the rain gutter beneath the rear windshield was compromised. Spoiler is now gone and the holes repaired with bondo. No more water from there. Now tackling the rain gutter.
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Old 10-30-2016, 09:03 AM   #29
flanker08
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My 2008 also leaks. I had some bodywork done and had assumed it was a result of that.

Ill start looking at this.
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Old 10-30-2016, 12:05 PM   #30
Christoph13
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My '11 Impreza had/has the same issue. Was rear ended and ended up in a 4 car pill up only after a couple months of owning her. Noticed water in my trunk (under the foam boards off on the side of the trunk floor.

1) I removed the rear taillight assemblies and applied 3M's dum dum window sealant around the perimeter of the body of the car. Reinstalled taillight assemblies.


2) Inspected and cleaned out using compressed air my sunroof drain ports and any possible areas that might lead to a leak in the trunk.

After 2yrs of repair, I noticed after days of rain. That water is back in trunk at the same areas. Will inspect and update with findings.
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Old 10-31-2016, 11:26 AM   #31
jram647
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Default same problem

had same problem a few years now, still haven't figured it out
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Old 10-31-2016, 11:29 AM   #32
jram647
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Default trunk leak

changed trunk seal rubber, still leaking
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Old 10-31-2016, 11:30 AM   #33
jram647
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also re-sealed spoiler to trunk, still leaks
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Old 12-03-2016, 04:55 PM   #34
SleepingWrex
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Quote:
Originally Posted by jram647 View Post
also re-sealed spoiler to trunk, still leaks
So there's no point in just resealing my spoiler? I found wet spots on both sides of my trunk in my 02
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Old 12-03-2016, 05:48 PM   #35
Cyclonus
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I replaced my trunk seal and it solved my trunk leak issue. Not sure if anyone mentioned this method yet. If so then it's a reminder.
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Old 12-04-2016, 01:13 PM   #36
Big-E
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If you still have a leak, remove all of the interior panels, etc. and then have someone (yourself) stay inside of the car while someone sprays down the car with a hose and of course look for leak(s).
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Old 12-07-2016, 10:39 AM   #37
Mizzel
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Quote:
Originally Posted by SleepingWrex View Post
So there's no point in just resealing my spoiler? I found wet spots on both sides of my trunk in my 02
The gasket for my spoiler is where I was leaking from on my 02. It could be that for you or the actual trunk...get in the trunk to figure out exactly what it is for you.
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Old 12-08-2016, 05:17 PM   #38
keyrock
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I think I discovered the source of the 2nd leak. It wasn't the gutter, rather it was the corners right underneath the rear windshield.

Here



Reason I know this is the leak continued until I applied a bead of silicone about 4" from each corner toward the middle. After I did that we had a huge downpour and no leak.

I hope this is useful to someone.
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Old 12-11-2016, 03:19 PM   #39
Aphelion79
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Very useful tips to look for leakage... Something to look out for when I go buy my 06 xD Thx all
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Old 12-16-2016, 07:05 PM   #40
NorM15
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No leaks in the 15' wrx so far.

10' ob leaks as much as it always has..
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Old 03-17-2019, 08:31 PM   #41
2slofouru
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Bumping this up, mine is leaking near the left front upper corner of the trunk opening. 07 impreza 2.5i / no spoiler obviously. It seems to be leaking at the area where the metal seams are, in that corner. There is water further forward and higher up on the seam, so not sure that could happen from the rubber seal since it would have to go uphill. I don't see any spots where the seam sealer isn't complete, but there could be something behind the rear glass on the lower corner. There is a good bit of dust/mud buildup under the edges of the rubber seal. but nothing chunky or large like leaves or debris. I will remove the seal and install another after cleaning then report back if it stops. May spray some soap and run the a/c on fresh to pressurize the cabin and look for foam.


Also for anyone worrying about the flap / pressure vents leaking. The lower area of that well has an opening to drain, and the only way water will remain is if that drain clogs and it can't get out. It still would have to fill up pretty high top spill over into the tire well area. Just clean out the drain in that case. It's almost impossible for water to get in though, due to their check valve design and how they're shielded pretty well behind the bumper cover.
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Old 04-15-2019, 02:59 PM   #42
02WRX_RallyProject
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My 02 wrx sedan has a leaky trunk, has for most of its life, tried patching multiple times, water always finds its way in, I suggest picking up some weather stripping from a hardware store, doesn’t look as clean but it works wonders
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Old 08-26-2019, 04:51 PM   #43
NewShockerGuy
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Arrow Old thread, but it's what popped up when searching...

So I am getting water in my trunk.

I checked everything and it wasn't until I REALLY washed the car with a ton of water that I see water is coming from this location. What would cause water to come in from this exact location? I replaced the trunk seal but that isn't the problem. Water is coming in from these two piece of metal. Appears to be on both sides.





How is water coming through this?

-Nigel
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Old 08-28-2019, 04:08 PM   #44
car_freak85
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That would point to the body seam that is in the glass-side corners of the trunk having failed. I have this issue as well, but have yet to isolate the leak. My guess is that this is an issue that will affect every GD sedan at some point in it's lifecycle, but we haven't identified a simple, repeatable repair to date.
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Old 09-06-2019, 08:04 AM   #45
Mclemo
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Have had the same issue, checked around the whole boot and turns out the seal was simply peeling up a little bit, stuck it back down and seems to have fixed it, no leaks when washing. A large amount was getting through and the area of the peeling was only very small, hoping that was the fix.
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Old 09-06-2019, 04:22 PM   #46
Big-E
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I'm also going to guess that if the rear window were to be removed, there would be corrosion of the body-opening.
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Old 09-11-2019, 02:54 PM   #47
car_freak85
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Quote:
Originally Posted by Big-E View Post
I'm also going to guess that if the rear window were to be removed, there would be corrosion of the body-opening.
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Old 10-06-2019, 03:42 AM   #48
Jokerhotpocket
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Remedy for consistent rogue shadow agent water leak in trunk:

1. Remove your tail lights.
2. Remove the molding/sealant on the inside of tail lights completely.
3. Clean all surfaces still containing old sealant and particles. You can use rubbing alcohol if you'd like or whatever takes the old sealant off.
4. Let your tail lights dry completely.
5. Source brand new rubber gasket/seals. You can use OEM or auto parts store universal seals just make sure its sticky on both sides, obviously.
6. Install your new gaskets/seals on tail lights.
7. Reinstall tail lights onto car.
8. Keep your car dry for 24 hours (or more) preferably.

I cannot guarantee this will fix all "water in trunk" issues. BUT I had an older impreza, late 90's model. I had a water in trunk issue for about a year. Could not figure it out. I cleaned the underside of car multiple times, sanded, primed, painted, and rhino lined the underside of trunk. STILL had water in trunk. Swore I had stealth holes in the rear quarterpanels or something to that effect....

Friend of mine was installing new JDM tail light assy on his car one day. He had a TON of double sided sticky auto sealant strips left over. We used that left over stuff to reseal my OEM tail lights just for the heck of it.

Believe me when I tell you that car must have had the dryest trunk in the North East from that day forward. I had actually given up on the water in trunk issue at that point, so to accidentally fix the issue for $0 and a very light amount of labor was quite incredible.

Hopefully this helps someone out. I remember now what a headache this was.
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