Looks like too much wax on the A-pillar to me.
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Dang, that's quite a bit of water, I see now how it got all over, hitting the dash in a few places and l kind of spraying out from there.
The power of the Bronco6G forums strikes again.Update:
I found an old thread that described the problem Iāve been having and sent it to my dealer. Shout out to user NYCBD for suggesting there could be missing nuts in the header seal, because that turned out to be the case.
https://www.bronco6g.com/forum/threads/mic-2-0-leaking-into-a-pillar-trim.43761/page-4
A field service engineer thoroughly looked over my Bronco today and found one missing nut and another that was loose. After addressing them and hosing the vehicle, no leak. Fingers crossed.