The sunroof on my 2009 Hummer H3 leaks.
What they meant by "they all leak" is that the sunroof seals around the glass are not meant to keep water from getting down in the sunroof, and tray and drains are there to drain the water that does get down in there. The problem most likely exists with your drainage tubes. They can either be clogged, or in my case with my 06 H3, the tubes were somehow disconnected and I had to drop down the roof panel to reconnect one.
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