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Rear window leak

Demon
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Rocz3cqg
Rocz3cqg

Sliding Glass or / and Stop Light Module reported Leaking Situation             Contacts

ShamrockShooter
ShamrockShooter

Well my 2019 early build leaker was replaced with 2020 hopefully not leaker. No signs of an leaks on the window or headliner of the 2020 so fingers crossed. Very impressed with the 10 speed after th

Thomcat
Thomcat

No leaker here so can't do a 100% verification, but the problem seems to be with the spoiler design, regardless of weather the sealer leaks or not, and any cracks in the trim make it worse.  

Posted Images

hotrodz37 Senior Enthusiast

hotrodz37

Posted
Posted
Has anyone that has the leak, decided to just deal with it for the time being, in the hopes that GM comes up with a better fix in time? I have a 2019 Sierra and just noticed the first sign of a leak today while hand washing my truck. I use a pressure washer and I’m not shy about using it around the spoiler. There was just a single small trail of water on the inside glass corner. Pretty minimal considering the pressure washer. I’ve never noticed any leaks during normal rain (and I check often). So I’m thinking I may just wait and see what develops from a fix perspective. I’m in Sacramento California so don’t get heavy rain anyway, plus the winter season is almost over.


I thought about waiting with mine too, small leak was just in two spots but wound up taking it in and letting them seal the top of the glass before it got worse and was needing a headliner, wet carpet etc. I pick it up on Monday and we’ll see if that was the right decision or not.


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econometrics Senior Enthusiast

econometrics

Posted
Posted
2 hours ago, bamorris2 said:

Has anyone that has the leak, decided to just deal with it for the time being, in the hopes that GM comes up with a better fix in time? I have a 2019 Sierra and just noticed the first sign of a leak today while hand washing my truck. I use a pressure washer and I’m not shy about using it around the spoiler. There was just a single small trail of water on the inside glass corner. Pretty minimal considering the pressure washer. I’ve never noticed any leaks during normal rain (and I check often). So I’m thinking I may just wait and see what develops from a fix perspective. I’m in Sacramento California so don’t get heavy rain anyway, plus the winter season is almost over.

I’m doing that, basically. But not because I’m waiting GM out for a better solution. Mainly because my schedule isn’t that flexible, and I’m not in a hurry to keep going in this circus process GM puts us in with local dealers. 
 

I noticed mine leaking early November. Took it in and got it resealed late December. Leaking again early January, and then the headliner stain showed up for the first time. 
 

My carpet isn’t wet, the headliner is not staining any worse, and I have a towel against the window to keep the moisture from collecting. 
 

All that said, I’m not anxious trying to get this fixed. I figure the more time that goes by, the more the dealers will have an understanding of how to ACTUALLY fix this. 
 

This thread alone is proof of what I just mentioned. In early Nov when I posted my leak, I think there were 40-50 pages here after almost a YEAR of the thread being on here. 
 

In just 3 months, the thread has about tripled. Why? Because all us T1 owners are finally starting to see the leaks. So... a couple more weeks ain’t going to kill me to wait. 

Josef Enthusiast

Josef

Posted
Posted
4 hours ago, bamorris2 said:

Has anyone that has the leak, decided to just deal with it for the time being, in the hopes that GM comes up with a better fix in time? I have a 2019 Sierra and just noticed the first sign of a leak today while hand washing my truck. I use a pressure washer and I’m not shy about using it around the spoiler. There was just a single small trail of water on the inside glass corner. Pretty minimal considering the pressure washer. I’ve never noticed any leaks during normal rain (and I check often). So I’m thinking I may just wait and see what develops from a fix perspective. I’m in Sacramento California so don’t get heavy rain anyway, plus the winter season is almost over.

I’m in the exact same boat. I was at the dealer earlier this week for a separate electronic issue and the scratched the outside of my drivers door to the metal. I don’t really trust them to not make it any worse. That being said if I was closer to my warranty period being done I would be getting it fixed. 

 

Also so asked if they had seen many leaks and they said they hadn’t heard of any....

bamorris2 Enthusiast

bamorris2

Posted
Posted (edited)
On 2/15/2020 at 4:16 PM, bamorris2 said:
Has anyone that has the leak, decided to just deal with it for the time being, in the hopes that GM comes up with a better fix in time? I have a 2019 Sierra and just noticed the first sign of a leak today while hand washing my truck. I use a pressure washer and I’m not shy about using it around the spoiler. There was just a single small trail of water on the inside glass corner. Pretty minimal considering the pressure washer. I’ve never noticed any leaks during normal rain (and I check often). So I’m thinking I may just wait and see what develops from a fix perspective. I’m in Sacramento California so don’t get heavy rain anyway, plus the winter season is almost over.
Edited by bamorris2
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Rfg14silverado Enthusiast

Rfg14silverado

Posted
Posted
On 2/14/2020 at 2:12 PM, UGADawgs said:

Do you have a picture of the model of the window they recently put in that leaked? E2 or E4? also be interested to know if the new window is leaking due to poor install or cracking in same spots.

What are these E2 and E-4 codes? And where to find them?

UGADawgs Enthusiast

UGADawgs

Posted
Posted
20 minutes ago, Rfg14silverado said:

What are these E2 and E-4 codes? And where to find them?

 

 

6 minutes ago, Rfg14silverado said:

Mine is E9.  Built on 11/19

 

823D9870-AC5A-4973-B41D-EEC5A945B1F2.jpeg

 

 

Yours looks like a solid window and not a slider.

Dali555 Enthusiast

Dali555

Posted
Posted (edited)
1 hour ago, UGADawgs said:

 

 

 

 

Yours looks like a solid window and not a slider.

No, mine is a slider and built in 9/19 and has the same code...

 

FB9A45B3-D8EF-4421-9015-D5E18638982C.jpeg

Edited by Dali555
Rfg14silverado Enthusiast

Rfg14silverado

Posted
Posted
6 minutes ago, UGADawgs said:

 

 

 

 

Yours looks like a solid window and not a slider.

Nope it’s a slider.  No leaks yet.  I hope that e9 means it’s a newer design 

366C4800-1357-41FA-9D3C-A5F0D11B9FD5.jpeg

UGADawgs Enthusiast

UGADawgs

Posted
Posted
5 minutes ago, Dali555 said:

No, mine is a slider and built in 9/19 and has the same code...

AEB84773-F40F-4502-B2F7-23AB2BA00D32.jpeg

oh wow. Now I'm wondering if all the spare E4's they are installing are no good. Again, we need someone to get GM on record with what the hell is going on here. not much consumer confidence.

Booger T Enthusiast

Booger T

Posted
Posted (edited)

Mine is an E 9 and it is a slider, mid December build

Edited by Booger T
add content
Tomtom87 Enthusiast

Tomtom87

Posted
Posted

Also, does anyone know where these go? They were left on the roof of my truck after the install.

 

Hoping its old hardware from the damaged window and that they were replaced lol 

3EF0ED1B-D14C-472F-8DB9-DD278A8DFB39.jpeg

D26FBF5D-2CFE-444D-9F44-638765F39401.jpeg

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