2017+ Super Duty The 2017+ Ford F250, F350, F450 and F550 Super Duty Pickup and Chassis Cab

Cab Lights Leaking after 400 miles

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  #31  
Old 01-24-2019, 12:34 PM
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Thanks, mine was just built...and sounds like it cannot be determined from looking at the profile which gasket is present, maybe removing one, then seeing if the gasket expands ??
 
  #32  
Old 01-24-2019, 12:39 PM
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Originally Posted by delorenzomp
Thanks, mine was just built...and sounds like it cannot be determined from looking at the profile which gasket is present, maybe removing one, then seeing if the gasket expands ??
I wouldnt touch it, only has 1 bolt holding it down which has a gasket under it as well. Hope for the best and if it leaks, let them fix it. I just have no luck with anything I buy, if it can go wrong it will be mine. Sure there are several thousands sold that never leak.
 
  #33  
Old 01-24-2019, 01:02 PM
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I had the same issue with my clearance lights and took it to the dealership. They indicated that the lights were not properly sealed from the factory and fixed the issue by applying silicon to the gaps. It wasn't a very clean job, given that you can see a bit of the silicon protruding out from under the light housing. But It's not noticeable unless you're up on a ladder looking closely at the lights. In any case, the fix did the trick for me.
 
  #34  
Old 01-24-2019, 01:21 PM
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I have a 2017 and my cabs lights look like they should leak buy they don't. They even got banged the first time I tried to pull into my garage, hence the garage modifications. If mine start to leak I'll have them replaced or replace them myself but I'm glad I have them cause they look great on my black truck.
 
  #35  
Old 01-24-2019, 01:27 PM
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Originally Posted by Brandon606


I wouldnt touch it, only has 1 bolt holding it down which has a gasket under it as well. Hope for the best and if it leaks, let them fix it. I just have no luck with anything I buy, if it can go wrong it will be mine. Sure there are several thousands sold that never leak.

I hear you, thanks, Brandon606 !
 
  #36  
Old 01-24-2019, 01:31 PM
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Originally Posted by SpudzShep
I had the same issue with my clearance lights and took it to the dealership. They indicated that the lights were not properly sealed from the factory and fixed the issue by applying silicon to the gaps. It wasn't a very clean job, given that you can see a bit of the silicon protruding out from under the light housing. But It's not noticeable unless you're up on a ladder looking closely at the lights. In any case, the fix did the trick for me.

I mentioned elsewhere on this topic that I may syringe carefully some black RTV around/under the light, without leaving a caulk bead...I may just do that, I don't want water damage to the headliner or electrical connections within only to have gremlins down the road...
 
  #37  
Old 02-04-2019, 03:07 PM
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not as much gap as I expected, back to my old question, are the 2019s coming off the line with the thicker gaskets ??
 
  #38  
Old 02-11-2019, 10:24 PM
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Originally Posted by delorenzomp
not as much gap as I expected, back to my old question, are the 2019s coming off the line with the thicker gaskets ??
I to want to know as well mine comes in next weekend and i will check mine and add or replace as i see fit.
 
  #39  
Old 02-11-2019, 10:36 PM
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I have a ford Dealership and have had this issue on a few trucks including my personal truck. There is a foam gasket that is supposed to seal up inside the light when the body screw is inserted in the light. All you have to do is remove the screw, open the light and place a small amount of selant around where the screw and the wires go through. It won’t be noticeable from the outside. Make sure they remove and inspect the switch panel where the upfitter switches and done lights are. Mine has shorted out from the water and the switched didn’t work like they should.
 
  #40  
Old 02-12-2019, 05:18 AM
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Originally Posted by Jon Galland
I have a ford Dealership and have had this issue on a few trucks including my personal truck. There is a foam gasket that is supposed to seal up inside the light when the body screw is inserted in the light. All you have to do is remove the screw, open the light and place a small amount of selant around where the screw and the wires go through. It won’t be noticeable from the outside. Make sure they remove and inspect the switch panel where the upfitter switches and done lights are. Mine has shorted out from the water and the switched didn’t work like they should.

are the gaskets adhered to the underside of the cab light or to the exterior of the roof ?
in other words, does the gasket maintain its integrity or does it tear/separate?? Thanks.
 
  #41  
Old 02-13-2019, 08:45 PM
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Originally Posted by delorenzomp



are the gaskets adhered to the underside of the cab light or to the exterior of the roof ?
in other words, does the gasket maintain its integrity or does it tear/separate?? Thanks.

does anybody have this answer?
 
  #42  
Old 02-13-2019, 09:06 PM
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Originally Posted by delorenzomp



does anybody have this answer?
I believe the adhesive is on the cab, and the light. Check out this thread: https://www.ford-trucks.com/forums/1...t-removal.html

My dad replaced his clearance lights & there was adhesive on the cab.

Hope this helps
 
  #43  
Old 02-14-2019, 09:24 AM
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thanks, I was hoping for a different answer ! the attachment you supplied shows the adhesive and the thicker newer gasket, are these experiencing leaks as well as the original thinner gaskets?
 
  #44  
Old 02-23-2021, 08:27 PM
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brand new 21 F350 cab light leaking

Hello guys, I need some help, I just bought a truck less then a month ago ( 27 days ago) and today as I was driving a lot of water came out from the over head aux switch’s and lights. Ford said they would replace the cabs lights, I’m scared that the damage is already done! The amount of water that came out was abused. They said the water didn’t get anything else wet because of the plastic covering? But it was pouring out of my switch's. I’m scared of mold/wet smell. I’m a mason waterproof specialist, I know all about water damage. What can I do? Return the truck? I just hate that I paid over 60k and now this.
 
  #45  
Old 08-01-2022, 07:48 AM
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21 F450 Clearance Lights Keak

Well - here we go. water dripping out of upfitter switches. First time I noticed. I’ll see what dealer says.

Any new updated info on this issue?
 


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