There might be a thread covering this but... I have a bad water leak entering in behind the seats. The water spills into the lower back seat floor going over the seat belt mechanism. I know there is a channel at that location that is to let the water flow out a drain but it seems to me I'm missing a body part to help control the water flow. The drain is not plugged. When I pour water on the car (first picture) you can see how the water flows over the seatbelt mechanism (not sure of the word for it). Any idea what to check?
Linear Mode
