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Old 08-10-2006, 08:14 PM
JohnIL's Avatar
JohnIL JohnIL is offline
Grease Monkey
Join Date: Jan 31, 2006
Location: Central Illinois
Posts: 394
Water in my cargo area

I've got water troubles. I've noticed wet carpet in the cargo area of my '88 Grand Wagoneer after a good rain a couple of times in the past. This afternoon, we got a good soaking and the carpet is sopping wet with standing water in the cargo area. The tailgate window seal looks fine and there isn't any water along the inside of the tailgate frame. I think the source may be loose roof rack well nuts. Does that sound likely or am I missing something obvious? I plan on removing the stock roof rack and sealing the factory holes in favor of a rain gutter mounted rack. Will that take care of the water problems or am I barking up the wrong tree? Thanks.

1988 Grand Wagoneer
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Old 08-10-2006, 09:51 PM
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My wag has the same problem. In winter time I get standing snow in the back...come to think of it so does my car, my truck and my garage .

It may not be necessary to remove your roof rack though. You should be able to see water spots in the roof liner or just plain water soaked into the liner after a rain if it's coming in through there. You could check the amount of movement in your tailgate window. If the window is loose in the frame due to a bad track felt then the window could be losing connection with the weatherstrip allowing large amounts of water to come in. It's a long shot but if your area has heavy winds you could also check your back door frames for flex. Perhaps the door frames are flexing in high wind and allowing water to get blown in through the frames. The only other thing I could think of is to sit in the back of the jeep during the next rain storm and start looking for water. This is the only way I know of to be 100% sure of where it's coming in at. I would also suggest looking at your inner fenders for holes where water can get blown upward and inward but I suppose if that were the case the water would also drain out through there.

Good luck, sorry I couldn't do more then offer ideas
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Old 08-11-2006, 05:58 AM
texianjoe texianjoe is offline
Join Date: Aug 08, 2006
Location: Houston, Texas
Posts: 160
The same thing happened to my 89'. It was coming from the roof rack. I could see it soak the headliner along the edge by the metal trim where it would run back and forth as I moved. It eventually got into the compass module and ruined it. I removed the screwes squirted silicone sealer and put them back. That was 10 years ago and it never leaked again. I also had water in my cargo area once when I went through high water, it came in through the jack compartment.

"No man in the wrong can stand up against a fellow that's in the right and keeps on a-comin'."

1989 Grand Wagoneer
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Old 09-20-2006, 12:39 PM
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79 Wagger 79 Wagger is offline
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Join Date: Nov 15, 2005
Location: Ottawa, Ontario, Canada
Posts: 23
Leaking like a rusty bucket.

Glad I found this topic, I'm having the same problem with my Wag. I've sealed the mounting holes however and ended up sitting in the back while my wife sprayed down the roof with the garden hose.
Turns out it was the rails on the roof so I liberally sealed them with silicone...twice. I'm not screwing around. Besides it seems every time I take my headliner down it degrades a litle bit more!

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Old 09-21-2006, 08:07 PM
letank's Avatar
letank letank is offline
AMC 4 OH! 1
Join Date: Jun 03, 2002
Location: San Francisco
Posts: 3,886
the seams at the wheel well.....
74 wag, 349Kmiles on original ticker/trany, except for the rust. Will it make it to the next get together without a rebuilt? Status: needs a new body.
85 Gwag, 226 Kmiles. $250 FSJ test lab since 02, that refuses to give up but still leaks.

See Ouray 2013, Engine bits and Fuel and brake lines, and Body work
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Old 09-21-2006, 09:39 PM
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Hud Hud is offline
350 Buick
Join Date: Oct 07, 2005
Location: Wichita Falls, Tx.
Posts: 1,000
It could be coming in through the gas filler area or as with mine it came in through the side marker lamps and filled the wheel/jack/rear speaker areas! Hope this helps! by the way love the trailer pics!!!
88 Grand wagoneer, with a 85 AMC 360, no rust and a Razor Grill

02 TJ, 3.25 inch lift w/33's

78 CJ, 33's and a 304

68 Shasta 16' Travel Trailer (Restoring project)

"The way the rain comes down hard, that's the way I FEEL INSIDE!"
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Old 09-21-2006, 10:05 PM
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backpack09 backpack09 is offline
Gear Head
Join Date: Nov 09, 2005
Location: Whitman, Ma
Posts: 568
geesh water getting into these things is such a normal occurance, I think they were designed to leak

I get water in the wheel rear wells from the back side glass seal leaking.
Im sure it comes from somewhere else as well, but untill BJ's starts selling new rear glass seals im up the creek with a wooden rustbucket.
Dan G
91 GrandWag
MSD Mag Dizzy, MSD 6A
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Old 09-21-2006, 10:33 PM
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Heavy_Metal_Thunder_81 Heavy_Metal_Thunder_81 is offline
Cherokee Outlaw
Join Date: Jan 10, 2006
Location: Guam
Posts: 7,209
I see you're from Illinois...theres yer problem right there. You've probably got rust holes in the wheel wells and the tires are kickin the water up in there. Thats what happened to mine anyway. Tore out all my carpet cuz I got bored and it was SOAKED. Found rust floorboards and wheel wells to blame. Just my $.02
-Jonny B.
1979 Cherokee Golden Eagle - 7" lift, 35x12.5x15
AMC 360 - 4180, TFI, Headers, Dual Exhaust
TH400 - Shift Kit, Deep Pan, Aux Cooler
D20 - Twin Stick'd
F D44 - 4.10, Eaton E-Locker
R D44 - 4.10, Detroit Locker

1979 Cherokee Chief - Parts
1979 Cherokee Chief - Parts
1979 Wagoneer - Sold
1981 Cherokee Chief - Cubed
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