Weird body leak dampness

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SPEEDIN459

SPEEDIN459

10 Year
Joined
Nov 13, 2012
Threads
4
Messages
42
Hey, I have a 100 series with a weird dampness issue. The rear cargo floor on driver's side gets damp near gate and no visible leak when water is sprayed on car. The drivers side floor is also damp under the floor mat. It's so bad that water beads up on the inside of the windshield. I keep rear AC off so don't think it's anything to do with that. Any ideas?
 
SPEEDIN459 said:
I thought the sunroof drain was on the passenger side from other posts I found on here. Is there another on the drivers side?
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Four; one in each corner. The two front are easy to spot with sunroof open. The two in the rear are difficult to see without dropping the headliner. Use the trimmer string method to clean them out.

Sent from an outhouse
 
GaFJC said:
Four; one in each corner. The two front are easy to spot with sunroof open. The two in the rear are difficult to see without dropping the headliner. Use the trimmer string method to clean them out.

Sent from an outhouse
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Thank you everyone for the help but if I may ask, what is the trimmer sting method? I've seen it mentioned but never explained.
 
RobRed said:
LIkely the sunroof but has it been raining? If so then This: http://tlcfaq.com/main/2012/04/rear-cargo-area-water-leak-fix/
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Thanks for the link it sounds like that may be it for the back drivers side. It is only after a rain or water has been sprayed on roof and I doubt it's sunroof for the back because truck was angled downward when we sprayed water on roof from back and floor got worse. Maybe it's the sunroof drain for the front.
P.S. I've seen your posts about cat-back system. I do t know if I'll put that on my LC but I love it on my 02 SS Camaro.
 
I have to park under trees and sometimes above the gasket for the rear hatch gets loaded up with live oak leaves or some pine straw. If anything overlaps the gasket when the hatch is shut, rainwater can trickle in and drip down to the floor.
 
GaFJC said:
Four; one in each corner. The two front are easy to spot with sunroof open. The two in the rear are difficult to see without dropping the headliner. Use the trimmer string method to clean them out.

Sent from an outhouse
Click to expand...

Tried the trimmer cord and a thin wire but both get stuck and won't go further. Any other ideas?

image-1857353764.webp
image-1857353764.webp
 
SPEEDIN459 said:
Tried the trimmer cord and a thin wire but both get stuck and won't go further. Any other ideas?
Click to expand...

How much line did you have in the drains? I guess I had 4' in there, maybe 5', and then it stops. You may also have a kink, start with removing the kick panel.

After running the trimmer string thru my front drains I poured water in there to test. Poured right out. Have you tested them? Would try that before removing panels.

Sent from an outhouse
 
GaFJC said:
How much line did you have in the drains? I guess I had 4' in there, maybe 5', and then it stops. You may also have a kink, start with removing the kick panel.

After running the trimmer string thru my front drains I poured water in there to test. Poured right out. Have you tested them? Would try that before removing panels.

Sent from an outhouse
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Tried from inside sunroof with trimmer cord and some wire on each side. Both only go in about 3 feet and stop. I will try pouring water when I can see (it's gotten dark) I was thinking we would see water stuck pour out or be able to stick cord in till it came out of bottom. I will let you know. Thank you for responding.
 
GaFJC said:
How much line did you have in the drains? I guess I had 4' in there, maybe 5', and then it stops. You may also have a kink, start with removing the kick panel.

After running the trimmer string thru my front drains I poured water in there to test. Poured right out. Have you tested them? Would try that before removing panels.

Sent from an outhouse
Click to expand...

I just checked with person helping me and one side may have been 3' but other side probably wasn't past 6".
 
SPEEDIN459 said:
I just checked with person helping me and one side may have been 3' but other side probably wasn't past 6".
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Only 6"? That is not nearly far enough. That would mean you were still in the headliner. I wonder if anyone has run them backward; up from the drain outlet in the wheel well? Don't know why it wouldn't work. You may want to attempt that before you pull panels.

Sent from an outhouse
 
GaFJC said:
Only 6"? That is not nearly far enough. That would mean you were still in the headliner. I wonder if anyone has run them backward; up from the drain outlet in the wheel well? Don't know why it wouldn't work. You may want to attempt that before you pull panels.

Sent from an outhouse
Click to expand...

Well, I didn't test to see if floor was damp before hand but poured some water down holes and both sides drained although drivers side didn't seem to drain as much and floor was a little damp. We shall see. Thanks for the help.
 
GaFJC said:
Only 6"? That is not nearly far enough. That would mean you were still in the headliner. I wonder if anyone has run them backward; up from the drain outlet in the wheel well? Don't know why it wouldn't work. You may want to attempt that before you pull panels.

Sent from an outhouse
Click to expand...

It appears to be draining right. One side doesn't appear to be as much as goes in but windshield hasn't been fogging up. I may try again to see if I can get past 6". Thanks for the help!
 
Mine wasn't sunroof. It was the rear cargo window trim gaskets and the third brake light gaskets. Fixed those issues, no more damp cargo area and it has been raining alot since i fixed it.
 
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