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Rear window surround crack.

I had mine replaced with this part number in mid November 2019, no clue why the part numbers have changed altogether.
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Don't know me neither... part number taken on website. But yours is at is 3rd version... At least they seem to upgrade the part!
 
I'm just now learning about this, so I went out to the truck tonight and was actually surprised that I don't have the dreaded crack. Guess I'll chalk that up to the one thing that's gone right with this truck and keep an eye on it going forward. Build date April/May 2019
 
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yeah i checked mine as well and no crack on mine either
 
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Has any tech from fca or the dealer commented in the cause? Is it the seal or flexing between the cab/bed? Be nice to know what is causing the issue and what the “permanent” solution is
 
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2020 Longhorn, no sunroof, build date 7/19, about 550 miles on the odometer.

I feel like I looked for this last week and didn't notice anything, but I can't be sure.

I don't know if it shows in these phone photos, but there does appear to be some discoloration or straining on the plastic there. I've got a black headliner, but I'll obviously have to keep an eye on this and prepare for what seems inevitable.

I'll see if I can track the progress over time to see if a crack develops slowly, or if it suddenly appears some day or what. Interesting situation for sure.
 
322d424aac8b65d44839d01e5bd96668.jpg

90ca00b1d145b08057a3171aee007204.jpg


2020 Longhorn, no sunroof, build date 7/19, about 550 miles on the odometer.

I feel like I looked for this last week and didn't notice anything, but I can't be sure.

I don't know if it shows in these phone photos, but there does appear to be some discoloration or straining on the plastic there. I've got a black headliner, but I'll obviously have to keep an eye on this and prepare for what seems inevitable.

I'll see if I can track the progress over time to see if a crack develops slowly, or if it suddenly appears some day or what. Interesting situation for sure.

Seems like they've done nothing to improve the rear window assembly.

I ended up not going to my appointment today for this issue. I'm going to keep an eye on it and run it for another year hoping they improve the rear window assembly. If not, I'll trade mine in on a new Ford F250 which was my original plan before buying this Big Horn.
 
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Mine has the same discoloration at the exact same spot on both sides of the slider. I’m watching it closely as well. I’m thinking it must be from the manufacturing process and these sections have somehow become brittle during manufacturing.

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90ca00b1d145b08057a3171aee007204.jpg


2020 Longhorn, no sunroof, build date 7/19, about 550 miles on the odometer.

I feel like I looked for this last week and didn't notice anything, but I can't be sure.

I don't know if it shows in these phone photos, but there does appear to be some discoloration or straining on the plastic there. I've got a black headliner, but I'll obviously have to keep an eye on this and prepare for what seems inevitable.

I'll see if I can track the progress over time to see if a crack develops slowly, or if it suddenly appears some day or what. Interesting situation for sure.
 
My new replacement window has the same lines, I’ve been keeping an eye on it.
 
For those that have the cracks. Are you opening and closing this window regularly? I opened mine when I took delivery at the dealer but never since and so far no cracks. Just wondering....
 
For those that have the cracks. Are you opening and closing this window regularly? I opened mine when I took delivery at the dealer but never since and so far no cracks. Just wondering....
I opened the rear window on the lot when I bought it to learn all the controls and never opened the window after that.
 
322d424aac8b65d44839d01e5bd96668.jpg

90ca00b1d145b08057a3171aee007204.jpg


2020 Longhorn, no sunroof, build date 7/19, about 550 miles on the odometer.

I feel like I looked for this last week and didn't notice anything, but I can't be sure.

I don't know if it shows in these phone photos, but there does appear to be some discoloration or straining on the plastic there. I've got a black headliner, but I'll obviously have to keep an eye on this and prepare for what seems inevitable.

I'll see if I can track the progress over time to see if a crack develops slowly, or if it suddenly appears some day or what. Interesting situation for sure.
Mine looks the same.
 
I reviewed my records and confirmed they replaced my window with the "AE" part number.

It's been about 45 days, so far so good.
 
Has anyone had the quad cab experience the cracking?

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Just noticed mine today . Crack top right of slider. Went through car wash( second time only). Noticed water on my middle back seat by head rest. Water was coming out of the crack on the plastic frame. Checked a couple months ago for cracks with none present . I have used my slider window 3 times at most. Taking it in tomorrow.
 
***Please view picture attachment for service note released 1/24/20**

FYI everyone. Getting replacement of entire rear window assembly.
Wow, good to see that FCA is actually acknowledging that the frame crack, is causing leaks. Good for them. If this is a window manufacturers design flaw, I wonder if they will extend the warranty after 36000 miles?
 
***Please view picture attachment for service note released 1/24/20**

FYI everyone. Getting replacement of entire rear window assembly.
Thank you for posting that, that gave me more confidence getting this taken care of.

I called a different dealer and they seemed much more friendlier. I have an appointment next Tuesday to take it in.
 
Any crack or cracks are unacceptable, mine had two cracks, same location as others have stated, window leaked at the cracks and was replaced.
 
Any crack or cracks are unacceptable, mine had two cracks, same location as others have stated, window leaked at the cracks and was replaced.
Exactly where mine was leaking. From the crack.
 
Out of curiosity, is there any visible evidence of cracks on the outside? Mine do not have the cracks yet but I’m curious if there is any way to see them start forming before the water starts coming in.
 

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