Trunk Leak discussion thread. - Page 2 - TCCoA Forums

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post #31 of 54 (permalink) Old 01-02-2012, 05:44 PM
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Any pictures of exactly where those seams are? Are they the really thin seams parallel to the quarter panels that lead into the trunk jams?

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post #32 of 54 (permalink) Old 01-02-2012, 07:36 PM
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On my tbird here's where the leak is coming from .....






You can see the side closest to the fender the sealer is lifting. Pretty much all around it has lifted. It's not a bad leak, but if you get enough rain it will leak. It was worse when the leaves fell clogging up that area with tree gunk cause it held the moisture there instead of letting it drain out.

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post #33 of 54 (permalink) Old 01-03-2012, 11:10 AM
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Mine leaked at the tail lights. it would seep in and run under the carpet and fill up the spare tire compartment. Drove me insane trying to find for a long time.

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post #34 of 54 (permalink) Old 01-03-2012, 02:47 PM
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Mine leaked at the same spot though on the passenger's side as well. The panel was replaced in its life due to a family member's accident, but I had the trunk lifter torsion rod go out.

The newer one that went in increased the stress on the seam sealer and the water came in and filled up the spare tire well as well.

I've temporarily patched it with metal adhering silcone sealant until I get the bodywork done.

Was a bugger to find, so this thread is valuable in many senses to those that get this issue.
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post #35 of 54 (permalink) Old 01-03-2012, 05:50 PM
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Mine leaked at the tail lights. it would seep in and run under the carpet and fill up the spare tire compartment. Drove me insane trying to find for a long time.
This is where mine leaked from I replaced the corner tail light and the leak topped.

1995 LX 4.6 Stock for now.
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post #36 of 54 (permalink) Old 01-04-2012, 05:11 PM
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Quote:
Originally Posted by racecougar View Post
Checked these seams on my cougar, and they are indead split, very very small cracks but I guess water doesn't need much room to get in. I think I'll have to use a metal pick and just pull the old sealer out and use RTV as some of you suggested. We will see what happens I suppose!

I drive an endangered species...they are being crushed at an alarming rate. Please do your part to preserve the Cougar species, and ensure they live on into the future.

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post #37 of 54 (permalink) Old 01-29-2012, 10:27 PM
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Mine was also hit in the rear by an F-250. I straigntned the metal that holds the trunk seal but never thought to check the tail light seal. Thanks for the info!
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post #38 of 54 (permalink) Old 02-20-2012, 12:35 PM
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Anyone ever have leaks where the spoiler bolts on? On a 95 T-Bird, there appears to be 4 studs holding it on (based on # of pieces of black elec tape patches covering the holes below!)

Thinking about removing it and adding clear silicone under the old seals, unless you can get new seals?

Al

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post #39 of 54 (permalink) Old 02-20-2012, 02:57 PM
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If it's a 95 it's an aftermarket/dealer installed spoiler so the seals used could be questionable or even non present. Clear silicone should do the job.

-Matt
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post #40 of 54 (permalink) Old 02-20-2012, 05:31 PM Thread Starter
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For what it's worth, mine has started leaking again. The last time it happened, I cleaned out the quarter-to-trunk-panel seams and filled them with caulk. I then installed a rear strut tower brace from Rod (which is great, by the way) to help remove some of the body flex.

Once the temperature goes back up, I will clean out those seams and seal 'em up again. I also need to grind out the rockers and POR-15 the hell out of the rust.


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Last edited by cougarcragar; 02-20-2012 at 06:13 PM.
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post #41 of 54 (permalink) Old 02-20-2012, 05:55 PM
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Not for nothing, but this ought to be a sticky thread somewhere.
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post #42 of 54 (permalink) Old 02-20-2012, 06:13 PM Thread Starter
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Perhaps it can be consolidated with the thread I started regarding the quarter panel seams.


1996 Mercury Cougar XR7
4.6 - Dynomax-Equipped - Tranny Cooler - 3.27 T/L - 125k Miles
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post #43 of 54 (permalink) Old 02-20-2012, 06:46 PM
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Perhaps it can be consolidated with the thread I started regarding the quarter panel seams.
Done!

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post #44 of 54 (permalink) Old 02-20-2012, 08:10 PM Thread Starter
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Thanks, Joe. I will continue to post my findings and, with any luck, this thread will help other members now and in the future.


1996 Mercury Cougar XR7
4.6 - Dynomax-Equipped - Tranny Cooler - 3.27 T/L - 125k Miles
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post #45 of 54 (permalink) Old 02-21-2012, 10:16 AM
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Quote:
Originally Posted by XR7-4.6 View Post
If it's a 95 it's an aftermarket/dealer installed spoiler so the seals used could be questionable or even non present. Clear silicone should do the job.
You can see seals under there. The dealer must have installed a lot of spoilers then cause I have seen other 95's with them.

Al

97 T-Bird LX 4.6 - 68k miles
94 Supra TT Auto - street/strip car
04 Crown Vic Police Interceptor - Brenda's car
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95 T-Bird LX 4.6 - fully optioned, owned 15 years
96 Cougar XR-7 4.6- Brenda's car, owned 11 years
88 T-Bird 3.8 - first T-Bird, owned 5 years
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post #46 of 54 (permalink) Old 02-21-2012, 04:36 PM
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They did, there were a few spoilers made for these cars by aftermarket suppliers at the time that dealers would gladly offer and install. Sort of like the bostonian or other vinyl brougham half tops on Cougars seen all the time.

-Matt
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post #47 of 54 (permalink) Old 06-09-2012, 05:32 PM
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If it turn out you need the rubber seal give Steele Rubber a try. I needed a new gasket but could not find one through Ford, so I found these guys. I was very nervous about aftermarket rubber, as I have had some crappy replacements in the past. But this rubber seal was really nice, and $53 delivered. Another bonus is they are made in the USA in NC.
I am not affiliated in any way, just pleased and I figured with the age of our cars, others will need this stuff. They have door seals as well, but I have not tried them yet.

http://www.steelerubber.com/
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post #48 of 54 (permalink) Old 05-26-2013, 06:38 PM
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can you put a pic of this issue I have this leak too!!!
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post #49 of 54 (permalink) Old 05-27-2013, 04:39 AM
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can you put a pic of this issue I have this leak too!!!
Check posts 31 and 32, pictures are right there.

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post #50 of 54 (permalink) Old 02-12-2014, 07:42 PM
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If you lift the bottom corner of the rear window molding you'll most likely see the crack continue and possibly even get bigger and spread apart. I filled it up under the rubber with silicone n i'll have to see what happens
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post #51 of 54 (permalink) Old 05-19-2014, 02:11 AM
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The silicone under the window molding helped some, but didn't cure itt. Figured out that at the roof line where the body lines go under the window molding gives water a direct path to the trunk. Filled it up with silicone too n the leak finally stopped! Hope this helps
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post #52 of 54 (permalink) Old 07-18-2014, 05:45 PM
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Well, my trunk is still dry, but after a whole day of pretty good rain i was cleaning the insides of the windows i brushed up against the headliner and my arm came back wet. So i guess with stopping the water from going to trunk it just backs up on top of the rear window. This might be where alll of our problems with a wet trunk originated. Gonna try to reseal it n go from there
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post #53 of 54 (permalink) Old 03-01-2017, 01:57 PM
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As it seems to be the case with many of you, the seam for the rear fender was my leaky culprit. Pulled about 2 gallons from the trunk when I first noticed. To seal it, I cleaned the area with a de-greaser and then used Marine grade Goop. Fantastic stuff and it worked 100% as I just checked after this rare NY winter thunderstorm just passed through.
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post #54 of 54 (permalink) Old 04-11-2017, 09:41 PM
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Appreciate what has worked for others, this is my experience:

About two months ago, I noticed a musty odor in the trunk of my 95 LX. Remembering this thread I had read on tccoa.com, I checked it out to find a couple inches or rusty water in the spare tire well. I had my car in my one-car garage working other issues from late December through January, and it looked like the water had been in there at least that long. So I'm left wondering where did the water come from. In addition to the car being outside from last summer through December, occasionally I run a sprinkler under the car during the winter/spring to wash off the salt from underneath. So I was racking my brain about where could the water have come from.

The donut spare although rust on the wheel appears to still be usable. Pumped it up to the recommended 60 PSI. I heavily oiled up and worked the jack and it also appears to still be usable. Pulled the floor covering out of the luggage compartment (trunk) and cleaned the rust stains off of that. Pulled out the lower cushion of the back seat, no water found there.

Starting off with a dry trunk, I lined it with kraft paper, thinking it would allow me to see the source of a leak. Then washed the car and ran the sprinkler underneath it. No water found in the trunk. Then with the trunk lid open I ran the hose on the area around the trunk outside of the weatherstripping, no water leaking into the trunk. Still not finding the source of the leak.

Last week I did a thousand miles of highway driving, mostly in the rain. The Washington to Boston 500 and back. It poured while I was there. No water in the trunk.

After I got home, I reinstalled the luggage compartment floor cover and plastic piece that attaches to the rear of the luggage compartment. After I installed it, I noticed that the plastic piece was overlapping the trunk weatherstripping. Speculated that that could cause water to leak into the trunk. I fixed that, pulled the weatherstripping so it was outside of the plastic piece that runs the width of the rear of the luggage compartment.

I'm concluding that the reason for the trunk of my car collecting water in the spare compartment is because either the trunk weatherstripping wasn't properly sealing around the rear trunk plate, or maybe, I left the car out in the rain with the trunk lid not closed tightly and rain got in. In any event, on my '95 LX, I think the problem was because of an insufficient seal of the trunk weatherstripping. I think the water leaked in when it rolled down the trunk lid around the weatherstripping until it fell into the trunk through an untight seal at the bottom. If in the future I find otherwise I'll provide an update on this site as needed.

Good luck finding the source of any leaks if you have this problem.
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