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After a rain I’m finding water on the floor when the truck is parked. It appears to be coming from the rear and not the front, my floor is primered and there is no trail from under the dash or windshield.

My first guess is the door seal. When the truck is parked the driver side is higher than the passenger side by a few inches, if the truck is level I can see the water running out the bottom over the step but with the trunk on a slant it never makes it there. Basically as I see it whatever water ends up in the gap between the door and the jam that makes it past the seal can make it to the floor.

I do not see this as a front or rear window seal issue or a rain rail rust issue.

I have only seen this a few times and have just started to look into and was just checking to see if anybody has seen this before.

Thanks,

Alan

Gas filler neck grommet?

There, or the rear window seal, door seals, or even the rain gutters, if they have not been properly sealed or if the original sealant is dry and brittle.

I have a few trucks that have a gap where the roof meets the cab, right above the fuel filler, but on both sides.

I had water entering through the seam around the small rear window filler -to -cab. on my '61. Cleaned the seam,seam sealer and voila'...no more leak.

Thanks,

My seam sealer is like new, I'm putting my money on the filler seal, second the door seal (or lack of much left) and then the rear window.

Wil be looking into this weekend if it isn't raining.

Alan

PwrWgnDrvr wrote:Gas filler neck grommet?

I know this is an old post, but THANK YOU!!! I've been hunting this stupid leak forever and that was it. :D