sunroof deflector

[AUHUMMER]

Originally Posted by jmsspratlin

Any suggestions on how to fix this problem? Is there a TSB for it, I couldn't seem to find one.

Every car with a sunroof that we have ever had (maybe 9) is the same way. Without a deflector they all had that rumble unless you put a window down a little bit. Seems to be more an air pressure thing than anything. i don't really think its a design or equipment flaw.