Originally Posted by harofreak00
is there anyway to work on them or test them without taking down the headliner?
and where does the drain go to for that one?
I was able to pull back on the back corner of the headliner to expose the drain hoses. Didn't have to remove the entire headliner at all, just pulled gently back at the corners. It may have been easier for me to pull back on it because it was already soaked from the leaking water.
Those rear hoses travel from the back corners of the sunroof, down the back corner of the car around the door frame... they run behind the back plastic pieces near the back window. Hope that helps.