2019 Sierra Denali LEAKS!

[N.Penley]

Add me to the list of folks with leaking back windows. I take mine next week for “repair” and hopefully it’s fixed professionally rather than a high school kid with a calk gun.


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[Pinnacle]

yup, very common seen so many new headliners orders at my dealership, goes back to the NNBS style trucks same shit different pile . 

[Monk77]

On 2/17/2019 at 2:21 PM, kyleb said:

Love my 2019 Denali but couldn't believe my eyes when i came out this morning and saw water on the back passenger side seat. 6 month old 65K truck and it leaks!!! Did a quick search and found others with the exact same problem and the exact same location. Will be calling service center in the morning.  Here's another one I found. I took videos and pics if anyone is concerned what to watch for.

 

My son is allergic to mold for me this problem is larger than most. Attached a pic of the headliner, can see how soaked it gets.

 

I have same problem, upon second inspection they say it’s a body seam under the headliner