Take it to the dealer. There’s a Service Bulletin related to this issue.
I wish you luck though. In a couple weeks mine goes back in for the third attempt to fix the roof leak. Each attempt has actually made it worse. I don’t think this attempt will resolve it either.
Has anyone been able to adjust the alignment of the rear tailgate on their SUV yet? Mine is shifted to the extreme DS. The unit in the top row is a new SUV on the lot with nice gaps. The bottom are my SUV which is all the way over to the left (driver side).
The dealer looked at it when I...
Just an FYI for anyone interested. Had the Hummer in the service department today. They were going to do a water test on my roof to try and diagnose the leak. Before they started that the service manager brought out a copy of Bulletin 24-NA-029. After going through my symptoms, the bulletin...