Passenger side floor puddle- other possible causes - JeepForum.com
 
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post #1 of 8 Old 01-14-2020, 05:35 PM Thread Starter
Cherokee-at-16
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Passenger side floor puddle- other possible causes

Passenger floor rusted out and I replaced it. Now the question is where the water is coming from that's caused the rust in the first place.

I removed the cowl I dumped a 5 gallons of water in. It all ran out the drip rail as it should. No visible leaking into the jeep when that happened. But I have a picture of water running down from the front and there are water marks/stains from the hvac box area. I does not appear to be coolant, I havent started the jeep in 2 weeks, but when it rains water gets in.

I dumped 10 gallons of water in and around the door. No water went in. Yet I have a picture of water coming in from the bottom of the door frame/sill near the front. I don't really want to go through the process of hosting and posting the pictures, to many passwords to reset.

What am I missing here?
Where should I dump water next?


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post #2 of 8 Old 01-14-2020, 07:07 PM
2oldjeeps
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it does come in thru the cowl air intake. mine had foam around air intake to heater.
i fought it yrs ago. ill try to find pix. hard to seal...
most people dont check for water till the floors are rotted away. mine were when i bought
my 00.
for your pix,drag and drop...

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #3 of 8 Old 01-14-2020, 07:39 PM Thread Starter
Cherokee-at-16
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Yes, the cowl is a common issue. Usually the chauking around the fresh air intake rotts out and water gets in. There is a lot of info on this around the internet.

I poured water around this area, none enteres, thus removing this as the issue.

The heater box has a foam gaskety thing, which also gets old and deteriorates. However the jeep hasnt been driven, so i dont know how water would be getting to that area unless there is some other drainage route or gasketing thats backed up or damaged allowing the rain to be trickling down the firewall to the heater box area.

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post #4 of 8 Old 01-14-2020, 07:57 PM
Michaelj51
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Check your windshield seal on that side, especially the vertical piece. Only leak I ever had onto the floor was in a torrential downpour at the top of Rainy Pass. Was a loose floppy windshield seal, the outer one.
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post #5 of 8 Old 01-15-2020, 01:59 AM
Ralph77
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X2 on the windshield.
In my '00 I had a leak from the top of the windshield that would come out just to the left of the passenger side visor and drip down.
Since the Jeep was getting some surface rust issues taken care of, roof and hood, I had my body guy have his glass guy pull the windshield.
Since you never really know what you are going to find under there when you do that I figured if there was any body issues my body guy could take care of it.
Turned out it was all on the glass guy. Simple remove, regunk, and replace with a new molding stopped the leak.
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post #6 of 8 Old 01-15-2020, 12:50 PM
2oldjeeps
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you still dont understand. pull the grill covering the windshield wiper assm. look toward the pass side.

you see the air entry vent with foam that lets the water in. i cut a hole on the firewall near the pass hood hinge
to get in to seal around it. its a tough job. the only way.
or keep listening to guesses...

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #7 of 8 Old 01-15-2020, 01:00 PM
2oldjeeps
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trying to post pix.....
Attached Thumbnails
100_5025.jpg   100_5129.jpg   100_5143.jpg   100_5141.jpg   100_5142.jpg  

100_5126.jpg  

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #8 of 8 Old 01-15-2020, 01:08 PM
2oldjeeps
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took 4 tries...
this was the only way i could stop it.
i also glued in a dam in the middle of the trough where wipers are as water can enter mostly on driver side.

but if you open it up you see a small drainabove the vent to catch drops that get in around the screws on pass side.
its clear to me that the engineers took great pains to make sure water would get in!!
see upper left drain.
trust me i have lived there for a while to find this....
Attached Thumbnails
100_5130.jpg  

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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