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Rear window leak

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Rocz3cqg Enthusiast

Rocz3cqg

Posted
Posted
24 minutes ago, Porterhouse said:

What's the electrical boxes under the window power? 

One of them might be the Video Processor Module. The other could be the Onstar Module.

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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.  

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mistaare Enthusiast

mistaare

Posted
Posted
19 minutes ago, magnum74 said:

I got hooked on reading through this entire thread and the fact that the problem has carried over into some 2020's makes me thing twice about dropping money on one of these new gen trucks in a year or two. No matter how much they test this stuff still happens. Leaky window is never acceptable no matter the price point of a vehicle.  

If I would have known about the windows leaking I would have thought twice. Every time I go to my truck after it rains thats the first thing I check. 

  • Like 1
OnTheReel Senior Enthusiast

OnTheReel

Posted
Posted (edited)
42 minutes ago, Porterhouse said:

What's the electrical boxes under the window power? 

In the pic, the silver finned one is the Bose amp. The one next to it is the power inverter for the 110v outlets. My truck also has what I believe to be the video processor for 360 cameras, down on the pass side below the sliding window motor. It doesn't look to be equipped on the truck in the pic. There is also a small module down on the driver’s side which if I recall is the park sensor module. Depending on the options your truck has, you may have all or none of these modules to even worry about.
 

Nevertheless, all of the modules looked to be potted / sealed except for the inverter which presumably has to be open for heat dissipation. There is also a piece of foam between the seat and these modules which may divert some water.

Edited by OnTheReel
OnTheReel Senior Enthusiast

OnTheReel

Posted
Posted
45 minutes ago, ShamrockShooter said:

So apparently my new window is in already. So I have the option to install the seam sealer fix over top of the new window before they put the spoiler on as a "double" line of defense. Thoughts?

I think I'm leaning towards just the window as I would want to know if the frame cracks right away again. Versus having it crack and be covered by sealer only to leak again in a year when the sealer fails.

Sent from my Pixel 4 using Tapatalk
 

Tough call. Unfortunately based on the info here, I really feel like it’s only a matter of time until the replacement window cracks. I’d be inclined to want to see it as soon as it does.


But then you do wonder if the sealer is applied over the top right away, would the window ever crack in the first place? Or would the sealer give it enough “reinforcement” to prevent it? Probably not. Just thinking out loud.

ShamrockShooter Senior Enthusiast

ShamrockShooter

Posted
Posted

Well it very well could be a factory installation issue compounding the cracks in the frame. If I get a really experienced glass installer which is what my service advisor requested from the glass company, a fine install job in the new window may be the difference in it never cracking.

Only time will tell. Like when I load up my truck up to the gills, hook up my 4,000 lb travel trailer and back it in and out of my steep driveway on a 45 degree angle. You want to talk about body flex and stress. If that doesn't crack the frame I should be good to go.

Sent from my Pixel 4 using Tapatalk

UGADawgs Enthusiast

UGADawgs

Posted
Posted
41 minutes ago, Centrebaseball said:

2019 sales numbers are out - 807,xxx trucks sold in 2019.  Wonder how many have leaks?  1%? 5%? 25%?

The real question is what % have leaked so far, how many will leak in 2020, how many will leak before warranty expires, and how many after the warranty. Can you imagine these sitting on lots as used vehicles in 3-5 years... I am surprised Consumer Reports, Edmunds, TFL, KBB, or any other publication hasn't reported on this, yet.

Centrebaseball Enthusiast

Centrebaseball

Posted
Posted
22 minutes ago, UGADawgs said:

The real question is what % have leaked so far, how many will leak in 2020, how many will leak before warranty expires, and how many after the warranty. Can you imagine these sitting on lots as used vehicles in 3-5 years... I am surprised Consumer Reports, Edmunds, TFL, KBB, or any other publication hasn't reported on this, yet.

That’s my exact plan.  Use it up until the warranty runs out and then get myself a new body tundra.  Or hell, maybe I’ll go nuts and get a Cybertruck

  • Like 1
PtownVdub Enthusiast

PtownVdub

Posted
Posted

I got my truck back on Friday, 1/3. It does indeed have a new rear window. However, I verified that the glass was manufactured by the first GM supplier and not the new supplier. At least it doesn't leak.

Centrebaseball Enthusiast

Centrebaseball

Posted
Posted

how were you able to verify this? By part number? My new window is sitting with my truck in the shop ready to be installed Thursday so I would love to know which it is.  I’ve been assured it’s the new design / new supplier window.  

1 minute ago, PtownVdub said:

I got my truck back on Friday, 1/3. It does indeed have a new rear window. However, I verified that the glass was manufactured by the first GM supplier and not the new supplier. At least it doesn't l

PtownVdub Enthusiast

PtownVdub

Posted
Posted
9 minutes ago, Centrebaseball said:

how were you able to verify this? By part number? My new window is sitting with my truck in the shop ready to be installed Thursday so I would love to know which it is.  I’ve been assured it’s the new design / new supplier window.  

I took pictures and videos of the truck before I dropped it off. I also received a 2020 Silverado loaner. Between the pictures and the loaner, I was able to verify the two different glass suppliers on the actual glass. The 2020 had the new supplier glass whereas my 2019 still has the same supplier glass before and after the replacement.

mistaare Enthusiast

mistaare

Posted
Posted

1. Anyone know when they switched suppliers and how can you verify which window is in your truck. I have a 2020 build date 9/19 so I’m guessing I could have either?

DaveHC Enthusiast

DaveHC

Posted
Posted (edited)

Just a heads up, my 2020 denali built in usa is leaking from the front I think, had radio off the other day and heard water flowing as I stopped, and again once I started off, being my truck had all weather mats I never knew till I raised them up I had soaked front carpet both sides and even the rears were damp. At dealer now, a water intrusion specialist (their words) is coming tomorrow to check out and hopefully fix it. never washed yet a little over 1k miles and 6 weeks old. we have had severe rain several times. fyi.... I read gm does not water test every truck, they only do a random selection and test from the assembly line. 

Edited by DaveHC
SeTex Enthusiast

SeTex

Posted
Posted (edited)

Delete. 

Edited by SeTex
PtownVdub Enthusiast

PtownVdub

Posted
Posted
1 hour ago, mistaare said:

1. Anyone know when they switched suppliers and how can you verify which window is in your truck. I have a 2020 build date 9/19 so I’m guessing I could have either?

FUYAO is what is on my Oct. 2018 Fort Wayne built Silverado. I can't remember or find the picture of the name on the 2020 loaner that I had.

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