I never cleared out the rear ones, but I know they run down the C-Pillars and all the way out the rear of the quarter panels, so they're probably way in the back of the whole assembly:
I have a 2014 Chevy Cruze and have this issue of leaking in the front as well...this should be a recall at this point as it seems to be a common issue. Nit all of us can afford the $800 to fix it.
