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Discussion Starter · #1 ·
After I picked up my camino, I discovered a busted heater core and a rain leak. I've pulled out the entire interior, dash included, to check floorpans. They ended up not being too bad, but its been sitting covered for a couple weeks and I keep walking out to find damp floorpans. I'm guessing its condensation, but wanted to see if you guys have had any similar problems. I'm about to POR-15 the girl, but didn't want the dampness to get in the way. Any ideas?
 

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On the 5th gens,, when I get a new project,, I have the front & rear glass pulled and resealed,, also check your seal around the heater/AC box,, and look at factory seam sealer and poke around,, I have found rust holes under seam sealer,, I am assuming the water issue is on your 70 Camino?? Matty man:happy:
 

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I once had a 69 El Camino and had same Issue, come to find out my Driver Side Vent Window was not sealing as tight as it should have been and also found that my Smugglers Box behind the Drivers Seat had a small crack in it and also wasn't sealed properly, so in Rainy Weather it would get VERY Humid inside and drips of water would fall from everywhere!! I corrected everything I had found and it no longer dribbled water everywhere on the Inside. Also a quick note: I agree with Everyone about pulling the Window Trim and Looking cause the 68 thru 72's that I have owned had issues with small rust holes underneath the Front Windshield Trim above Driver and water especially while driving in the rain would come In there as well. You don't know it's there until it's too late and you find yourself with a wet crotch while driving!! lol. Good Luck with it and Hope you find the Issue. :shock:
 

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Does that year model have a smugglers box? Is it sealed well? My 77 was getting a lot of water in through the lid. PO error.
 

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Discussion Starter · #10 ·
There's no evidence of water in the smugglers box at all. a previous owner had the car rhino lined and sealed in the bed. The main areas of condensation in mine is passenger side footwell. I found a good bit of surface rust under the drivers seat, but it hasn't been collecting water that I've seen. Maybe it's a previous problem that was addressed. :dontknow: I'm thinking the condensation in front may be from the leaky heater core and holes the previous owner/******* drilled in the firewall. I'll hopefully be able to hose it down this weekend and do a second check.
 

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Discussion Starter · #12 ·
I narrowed it down to leaking in from the rear. I've pulled the rear glass to only find very minor pitting and surface rust, no holes at all!. Only thing I can think is the sealant on the bottom of the glass wasn't completely laid down to the metal/glass. I could see the water flowing down from the glass area whe it wasn't covered. Any more ideas?:poke:
 

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Damp Floor

I had the same problem in my '87 on the passenger side beneath the heater. In looking around, curiosity made me take the screen off the top of the heater box, located right below the windshield on the passenger side, under the hood. Apparently, things like pine needles and dirt can slip underneath the metal trim at the bottom of the windshield and bypass the screen altogether. With the screen off, I reached into the box and found about 1 1/2 inches of dried mud and pine needles which completely closed off the little flapper door on the drain that lets rain water drain out of the heater box under the hood near the rear of the inner fender. I dug all the crud out and got the flapper clear and working. I the poured a pitcher of water through the screen for a test and was very happy to see it all drain out under the hood and not through the heater box and onto the interior door, where it had been going when the drain was plugged.
 
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