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Rain / water leak by rear window 19 Trail Boss

Assault Offroad
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Assault Offroad Enthusiast

Assault Offroad

Posted
Posted

Has anyone else had this issue. I found water near the passenger side headrest. There's also a water stain on the headliner. Here's a video of the problem. Skip to the 2:00 mark to see the leak. 

 

 

eppieguy Senior Enthusiast

eppieguy

Posted
Posted (edited)

Really ?

 

 

Edited by eppieguy
  • Like 1
TrkLegend Enthusiast

TrkLegend

Posted
Posted

Bulletin/soft recall (whatever you wanna call it) posted about the rear window seal on the brake light that is leaking. Should be able to take it right in. Happened to me. 

Assault Offroad Enthusiast

Assault Offroad

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Posted

Sounds like it's just a problem with the 2019's? I wonder what they changed on the 2020's. I'll make sure to ask a lot of questions when I'm at the dealership. It's going in next Monday. 

mafd2 Senior Enthusiast

mafd2

Posted
Posted

Not sure if anyone has had a problem with a '20. I've had my '19 RST since March of '19 with no leaks; and it's been in some long torrential rains. It's hit and miss on those that are leaking.

Thomcat Senior Enthusiast

Thomcat

Posted
Posted

My RST dry as a bone for over a year and been through quite a few gully washers.

 

For my .02 it is not age but some insult vehicle suffered after manufacture that caused the frame to crack or the sealant to lose it's bond. I never take to high pressure air car washes which could compromise a seal. Also turned off the auto defog in the DIC, the grid has no thermostat and if auto turned on on a hot Summer day in 10 mins. glass gets hot enough to soften the sealant or expand enough to crack the surrounding plastic frame.......latter was the #1 cause of cracked frames on Avalanche rear windows.

 

Anyway here's a repost of the TSB

 

Water Leak TSB.pdf
 

 

eppieguy Senior Enthusiast

eppieguy

Posted
Posted

Yes, 2020 owners have reported the same as well, but I don’t see as many.

  • Like 2
  • 2 months later...
spaman New Member

spaman

Posted
Posted

Yes my 2020 2500 ltz is leaking! also already been to the dealer for squealing brakes! Bought it with 5300 miles, now at 8000, bunch of BS!

 

  • 1 month later...
Booma1218 Enthusiast

Booma1218

Posted
Posted
On 8/4/2020 at 4:32 AM, 19gmcsierraat4 said:

19 here... leaking as well. Taking it to the dealer.

You guys with the leaking issues do you guys have sliders,or fixed glass ??Do both styles leak?

  • 2 months later...

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