After all the wind, and slight amount of moisture we had here in Jax, I took my truck out and rinsed it down with a hose.

Pine, pollen, mulch, squirrel droppings, bird droppings, all glued to the truck.


The way the water looks, it appears there is a leak...

I hope I'm wrong. The window that appears to be open goes to the bed of the truck and belongs to the topper.

 

yep, looks like you have a leak. there are two possible causes, first being the third brake light is leaking, remove it and re-seal it. the second would be the rear window is leaking, remove it and re-seal it! i would start with the 3rd brake light, that will be the easiest to rule out.

 

i had that same issue. Rear window seal was gone. took like 2 hours to do.

 

When i first got my truck it was leaking from the 3rd brake light.

 

mine was 3rd brake light also.sealed it with permatex atv works really good

 

10-4 guys.

Appreciate it!

I was too lazy to do a search, I'll give myself the wrist slap.

=)

 

There is a significant gap between the truck, and the black plastic housing on my third break light.

It looks like I may of not installed it properly, but I will still be resealing it.

 

I was sitting in a drive thru car wash right after I got my truck and noticed water pouring in like crazy behind the passenger seat. Got out afterwards and I could stick my pinky in a gap in the upper right corner. Factory didn't even put my back glass in all the way.