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I have had my truck through 2 winters now and i do not have any thing coming in my bed like that. I do have the factory spray in liner and any openings that are visible are very small. Ford did also design this as a pickup truck with an open bed and not an enclosed bed, so i expect whatever is outside to get back there. If an owner wants to make a bed water tight that is on the owner. I am not trying to sound like an ***, i am being realistic here. Get a liner and see if that helps, then you can start plugging any openings if you plan to install a cover and want it sealed up good.
I totally get that it is a truck with an open bed, but of all the trucks I've owned, this has never been an issue. I choose to frustrate because it is the most I've spent on a truck and it would be nice if something this simple was a non-issue for the money. Anyway, a bed liner will be coming soon.
That's not a flaw; it's by design. I have the factory spray-in liner and have similar gaps in the bed. They allow the rain to drain. These trucks aren't designed to carry sesame seeds in bulk.
For anyone that thinks pick-up beds are “air-tight”..........crawl inside the bed in bright daylight and have someone clos the tonneau cover and the tailgate, then allow your eyes to adjust to the darkness!!! You will see more holes than Hilary’s campaign had.
Are the F-150 beds the same as far as these gaps and spaces? If so, I'd say it's a product of the aluminum build process. If not, it's clearly an intent of Ford to have the bed made that way on the Super Duty trucks.
I had my spray in liner installed and it seems to have filled in alot of gaps.
Also, reading a post that has been discussed about prior in another thread is less annoying than seeing the thread police come in and scream "use the search button" How about move on or dont click the thread. geez guys.
As others have said it is intentional and/or by design. The 2015 and up F150 has this "feature" as well. It you decide to seal it. DO NOT use a silicone that has acetic acid (vinegar), such as GE silicone I. It attacks aluminum. Well, bare aluminum anyway. I wouldn't use silicone at all in case I wanted to have it painted again at some point. Probably body seam sealer would be best.
I had my spray in liner installed and it seems to have filled in alot of gaps.
Also, reading a post that has been discussed about prior in another thread is less annoying than seeing the thread police come in and scream "use the search button" How about move on or dont click the thread. geez guys.
It looks like your truck is black. A tube of black 100% silicone caulk will take care of your concerns very well and also allow flexion, if its needed there.
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