What I initially thought was a leak just because of the sunroof drain grommet being installed incorrectly turned out to be a combination of that, the third brake light, and this crack that I found today while doing some more leak testing. You can see where I dropped some Permatex flowable silicone yesterday - I had found another smaller crack over near the left side of the passenger side of glass. I don't know how I missed this yesterday but saw it today and dropped some silicone on it. Going to let it cure and leak test again tomorrow, but I'm hoping this ends my leak saga. I didn't see any cracks on the drivers side frame.
I solved the third brake light leak with the thicker weather stripping that others have bought at Lowe's/HD, but actually just installed a 2021 LED third brake light (the new style one with the camera in it). The seal on it seems quite a bit more stout than the one that came on my 2019, so hoping I don't have to end up replacing that seal too. Guess we'll see.
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