I'm trying to stop a slight leak in my car trunk, and I want to know when
I've been successful. Generally there isn't enough rain for any water to
accumulate in the trunk. However if I catch it when it's fresh, I can see a
slight trail where the water dribbled down inside. This evaporates usually
before I can see it. Is there something I can put on there (think litmus
paper) that will "stain" or somehow detect the presence of water there and
let me know that even after it dries?
You could try locking yourself in the trunk with a flashlight and have
a trusting friend - (one thats gonna let you back out or locate the
emerg inside trung release) - hit the area with a garden hose.
Place paper towels about the suspect leak in the truck. Hose the rear
window down and then later check the towel for water spot (s).
I use this to help locate minor leaks under a kitchen/bath sink.
It helps to narrow the leak, but in a car I guess the water travels.
the dealer may know exactly where the leak is from, given all of that
model probably leak at the same place.
might be worth the bucks
tried the locked in trunk, my trusted buddie and my girl friend
decided to take me for a ride:(
Let me be more clear. I know what I'm supposed to do to fix the leak. What
I want to know is how to tell if it worked. The hose idea doesn't work
because it usually takes an hour or more of rain before the leak shows. I'm
looking for some "water detector" that can show a water stain or water trail
even after it's dried.
Crepe paper shows changes when it gets wet. The dye also runs, so it
might leave a trail. My grandmother used to use it to color her lips,
because her very strict Baptist husband wouldn't allow lipstick.
Dust a layer of talcum powder over the area that you are suspicious of, it
will wash off where the water hits it. Don't always expect the leak to be
above and the water run down. I had a station wagon that developed a leak
and would occasionally spray water on top of my head while I was driving!
After tracing it, I found it was in the top of the rear wheel well, the
spinning tires would send drops of water up into the small hole and over the
back seat onto me. Good luck.
Talk it over with the folks at your favorite body shop. Part of the
repair process is dealing with leaks that occur after the cosmetics
are done. IIRC some shops used to have pressure blowers that attached
to an open window which would allow an air leak to be tracked with
sensitive microphone or a mechanics stethoscope with the probe
removed. Water in car trunks is harder on the vehicle than most places
because it can get hot and humid very easily and the area isn't paint
protected to same degree as the rest of the car. HTH
Newsprint has my vote; I used it to find a leak under my sink. For
extra detective work, one might try
dusting the channel around the trunk opening - very lightly - with some
corn starch. Close lit, let it rain,
and then see if there is a clean trail left by moisture coming in and
running down the channel. The trunk
really shouldn't have water enter around the lid .. got lights that
aren't sealed up well inside?
I did - they said that was the primary suspect. But I had the light seal
fixed - fixed the condensation problem on the light, but didn't help the
I'm convinced it's coming in somehow/somewhere around the soft gasket/seal
on the trunk door itself. A guy looked at it and was pretty sure that was
it. Then the water goes somewhere inside the frame where I can't see it,
and comes out and dribbles down a known path to my trunk floor. After I fix
the seal, I just need to see if any water goes down that path. Often it's
not enough water to make it to the bottom of the trunk and pool. I just
need to know no water has gone down that path.
I've used paper towels for this too. While it would be better if it
were still visible when it was dry, I don't see why that is a reqt.
You just put the paper towels in place before it rains, then leave the
car out for a few hours or overnight when it rains. Check in the
morning. Unless it's blazing hot, it's still going to be wet.
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