jodrt

i think i have a leak from my back window is there any fix for this???
03 2500 4x4 quad cab

15 Digger

I read some leak bye the gap in gasket somewhere, look around and put some silicone.

ssandlin

First, welcome to DTR. The leak could be from either the 3rd brake light or from the rear window itself. Try to isolate by first using a water hose at the top of the rear window. If no leak there, then it must be from the 3rd brake light. In either case, if the 3rd brake light, remove it, clean the area and use silicone to seal it. If the rear window, buy some automotive window sealant at your local parts store and run a bead all along the top of the window. I had to do both on my 06 to stop the leaking.

Good luck!

cbrahs

I used a 3m 1/2" foam to seal my 3rd brake light. only has sticky stuff on 1 side so you can still get it off

jodrt

thanks i will try that when it warms up -18*c

paydirt

I think I have the same problem on my '06. Is this fix still working? I am pretty sure its the window, not the 3rd brake light. Stupid question but, did you run the bead on the outside or inside of the window? Thanks in advance.

ssandlin

Paydirt,

Yep, still no leaks. I sealed the window from the outside using "flowable" window sealer. On the package I bought the word "flowable" was there. I also had to use a plastic drinking straw taped to the nozzle of the tube of sealant, cut down to a couple of inches so as to get the sealer where it needed to be. Remember to first clean the area as best as possible and let it dry prior to applying the sealer.

Good luck!

Quick

Just discovered the leak in my truck. Now that I found about half inch of water under the back seat! #*^%!

Piston_bully

I had the same problem; had a glass shop seal all around the rear window - $100, stopped leaking for a few days, then dealership replaced 3rd brake light, $200, still leaking. So at my wits end I bought some flowable window sealant for $7.00 and filled the gap between the top of the rear window and the 3rd brake light, no more leak.

I think it was leaking from the top of the window right below the 3rd brake light and the brake light itself. When the dealership put in the new brake light they removed the sealant that the glass place put in right under the brake light. If I had done it all in reverse I'm sure it would have worked without me using the sealant on it but so far so good.