Protege water leak

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2002 mazda protege
Hello! I have a 2002 Mazda Protege ES. Problem: When I pour water into the cowl grille, it leaks into the passenger floor. I have taken back the floors and took out the foam like insulation due to rot. In doing so I noticed a small crack on the right corner of the floor of the car (seems to be where body and floor meet?), where the water is flowing in. I put silicone sealant in the crack and thought that would fix the problem. Now the water is coming from just a little further left, behind a metal plate attached to the body/floor by bolts. The metal plate is raised from the body, I am unsure how to unattach it. The water takes several minutes to work its way from cowl to floor, but then comes in pretty steady once started. What can I do to find/fix the problem? Any ideas as to what may be causing this to happen? Any advice or ideas are appreciated. Thanks!
 
There is a post about this problem a few pages back. I think the OP finally figured out where it was coming from.
 
when i replaced my windshield it replaced the water leak. It also leaks at the seams
 
wow does anyone have a link to the solution on this problem???/ pleeze! this is the exact problem i have!!
 
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