This is a factory water shedder. It's taped along the bottom (the t/g is upside-down), and has a tacky adhesive along the top and across the middle. But since the rain leaks in along the top where the weatherbelt meets the glass, and then drips off the bottom edge of the glass, it falls on the paper and then runs in between the paper the t/g. The tape is supposed to create a seal & a dam that holds the rain in its pocket, forcing it to flow back into the t/g, but over the years, the rain works its way down past the tape. Then it flows down between the t/g & the access panel, out onto the t/g threshold seal. When that fills, it overflows the threshold and runs over to the carpet, where it seeps in and continues forward (assuming the truck is parked flat) under the rear seat, and down onto the front floor where it soaks into THAT carpet. Eventually, it makes its way to the front door thresholds where it corrodes the wiring.

Owner caption June 2014 · Photo 0 of 5000