Re: SRT-6 Liftgate Leak On Spoiler Mounting Plate
Update
I washed the car yesterday and removed the wing and then the panel. As I knew it would be, water was evident in the pockets where the wing sits, no water went past the new O-rings (5/16" inside diameter x 1/16" #011) this is not good over time as the wing has a steel plate in the bottom mounting face and rusts a little staining the paint. In a worst case scenario this stain could overflow down the panel itself and stain the exterior paint.
The closed cell foam I used to seal the panel did not work too well as it absorbed moisture and would hold water against the paint. I am now looking for a better seal, the original seal was probably a roundish seal with a sticky back on it. The original seal moved away from the sticky backing and caused the leaks, that's assuming it did not leak anyway.
RTV and silicone are not being considered as I want to remove the parts for inspection at a later date. Although I have thought of using the RTV or silicone and having a sticky tape on one or even two faces, the sealant will form to the correct shape but not be stuck to the paint. The panel would be lightly screwed down, the RTV allowed to set and then screwed down tight after the tape has been removed.
The search for a good seal goes on.