
Originally Posted by
KZOO3800
What you need is a GM part called a deflector. Have a dealerdhip order you one. Water is leaking through the rotted rubber seal between your windshield and engine compartment. In this case the old-design deflector doesnt direct water to the drain over your wheel well.
Instead the water is draining into the blower motor area and then onto your floor. This is a common problem, exactly the same thing happened to me. Installing the deflector is easy and its cheap. Hit me up once you get one I can give you more instsllation info.