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Anyone come across the trunk seal being clean and in good shape, but still leaking into the trunk? Especially in this location????
Disregard the fiancee's pink travel blanket.
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Not sure if this will be your situation as well, but when I had water leaking in, it was from some nuts (that have a white sealer on top) that had wasted away.

Those two 7mm hex bolts in your pic (covered in water) are what keep the lights in place. Remove those, then remove the lights and you’ll see the white nuts I’m referring to.

I think these are fine on yours as they’re keeping the water out... BUT... Apart from those two, I believe there are three below it/closer to the rear that hold down part of the bumper in that area. These were my issue and might be yours as well?

If you place your hand behind the light, you should feel them.

Maybe use your phone to take pics or vids to see if there’s any water marks or drops hanging.

If you don’t find what I’m referring to, I’ll try to snap some pics of mine when I get to my Sky.
 

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Outside of the drip on to the pink blanket- Is there water below
the pink blanket on the floor of your trunk? Is the material wet there?

Any water collection behind the trunk seal is fine- it drains into
the little valley where the hinges are- the black hose you see then
exits out above the license plate.

You might be able to adjust your trunk lid- there are some stops &
adjustment screws that might bring your trunk lid down just a bit
allowing it to be tighter to the seal itself.

The leak I had- water pooled near the light fixture in our trunk
during a massive downpour. Carpet was wet- no place for it
to drain. I pulled the trunk lid insulation cover off- to find 2 places
that leaked. One was the seal to the XM antenna. Some sealant
tighten the bolts down and good to go. The other place was my
spoiler- which looked like it had been removed at one point.
It was missing a nut, and another one was loose. Replaced
and tighten those down. No problem since.

You could try to water proof your seal- with dielectric grease or
good ole Vaseline petroleum jelly to see if that helps any?


LAC
 

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I don't have a rear spoiler but wonder if some of the holes are on the dry side of the trunk gasket. Maybe water is entering through there.
 

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Anyone come across the trunk seal being clean and in good shape, but still leaking into the trunk? Especially in this location????
Disregard the fiancee's pink travel blanket.
It could be an illusion, but it appears that the seal is distorted in the area that the water is running over it and dripping down. Are you certain that it hasn't pulled loose in that area?
 

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Here is one more thought. I worked on two Solstices where the rear deck lid was raised nearly 1/8" in the right rear corner. I don't know why. Maybe the rear deck lid got caught in the wind and bent the hinge causing it to sit raised like that. I could see a gap being created between the rear deck lid and trunk gasket.
 

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Here is one more thought. I worked on two Solstices where the rear deck lid was raised nearly 1/8" in the right rear corner. I don't know why. Maybe the rear deck lid got caught in the wind and bent the hinge causing it to sit raised like that. I could see a gap being created between the rear deck lid and trunk gasket.
If their was minor damage to the hinge support you can loosen the lower bracket bolts to lower the lid. If there is not enough adjustment travel, the bolt holes can be elongated to gain more travel. The hinge can be damaged by a wind gust or forcing the lid closed with something in the way.
 

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Water the slippery devil will find it's way to the lowest point in this area.
That should be what I call the valley- between the hinges of our trunk lid.
Lowest drain point is above the rear license plate. The side channels to the plastic
of our rear tail lights to this valley will happen- pretty sure. So long as our
pocket drains are clear on the top, water egress will happen if there is no
debris. The seal now aging on our trunk lids can get less water proof as a seal
against the trunk lid. You can make small adjustments to the lid and reup
the water proof- hit it with a garden hose to see if this leak continues?

Since there is no sign of the seal being bad- tears/ rips it could be ok
with an adjustment down, dielectric grease and test before any major
alterations take place. Keep testing with the garden hose or the occasion
passing storm- for water leakage into the truck area. IS the carpet wet or not?

I have to do my windshield surround weather strip- takes a beating over the
summer driving season- dirt. UV rays. Came through a major rain shower
on the way home from the beach 2 weeks ago. I want to check in these last few
drives here in October before closing things tight in November went cold & wet
things happen so they tell me. Outside of the one leak I had a few years ago- nada so far.
Clean the valley- clean the side channels- drains, make adjustments, water proof
anything not moving back there- test with hose all month long and you might be
good to go?

* I have to make a Run tomorrow- down around the D.C area for a lunch with
old car buddies from back in the day- 30 years ago- our business on the east
coast was the aftermarket place to go for parts. Old long gone friendships-
stories to tell- stuff to catch up on, food to be eaten and.. I get to run the car too.

Life is good unless your trunk leaks.

LAC
 

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With all the defects in manufacturing/engineering of our kappas....and there are many, it is amazing that when we turn the key...it turns over and if u r lucky, there are no idiot lights.
 

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Check the fit of the black rubber cable conduit where it attaches to the trunk lid. These have been known to leak. Also the OnStar XM radio antenna.
 
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