Rear window leak

[Megalomegalodon]

Hey everyone, Just saw this thread and went to look at my window and I'm also a winner of the leaky rear window! Anyone who live in Socal have a dealer they taken it to that have knowledge of fixing this problem? I have a 2021 GMC Sierra and I can't believe that this been going on for 2yr and GM haven't addressed this problem. 
 

Tustin knows of the issues and goes through the steps one by one.
Hardin said they never heard of leaking windows

[Transient]

Hey everyone, Just saw this thread and went to look at my window and I'm also a winner of the leaky rear window! Anyone who live in Socal have a dealer they taken it to that have knowledge of fixing this problem? I have a 2021 GMC Sierra and I can't believe that this been going on for 2yr and GM haven't addressed this problem. 
 

I use Courtesy Chevrolet in San Diego. Katrina is my service writer. She's familiar with the leaking rear window problem. They have handled several of them already.

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[Cuongdyna]

3 hours ago, Transient said:

I use Courtesy Chevrolet in San Diego. Katrina is my service writer. She's familiar with the leaking rear window problem. They have handled several of them already.

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Were they able to fix it correctly?  Or you had to go back several time? 

[Cuongdyna]

I live close to Long Beach GMC I'll take it there and see if they can correct right the first time but I was hoping someone on here had good experience with a dealer already. 

[Transient]

Were they able to fix it correctly?  Or you had to go back several time? 

I haven't had a leaky window, yet. Every time my truck has gone in for service (accessory install, 7500 mile service) I've asked them to check for a leaking rear window. Nothing so far. I also check after my carwash every 2 weeks, and after rainstorms (like today's) and I don't have this problem yet. With that said, I'm satisfied with the type of service I received from Katrina. When a 2 hour install job ended up taking almost a week she kept me in the loop and even provided a loaner. Really good customer service so far.

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[Transient]

I live close to Long Beach GMC I'll take it there and see if they can correct right the first time but I was hoping someone on here had good experience with a dealer already. 

You're almost 2 hours from me. I doubt you'd want to travel all the way down to San Diego when you have a dozen other dealerships that are closer.

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[Cuongdyna]

3 hours ago, Transient said:

I haven't had a leaky window, yet. Every time my truck has gone in for service (accessory install, 7500 mile service) I've asked them to check for a leaking rear window. Nothing so far. I also check after my carwash every 2 weeks, and after rainstorms (like today's) and I don't have this problem yet. With that said, I'm satisfied with the type of service I received from Katrina. When a 2 hour install job ended up taking almost a week she kept me in the loop and even provided a loaner. Really good customer service so far.

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Did you know what they did to your truck to stop the leak? Remove and replace the window or just reseal?

[BigMick2023]

Never knew about this issue when I purchased my 2020 Silverado......

I kind of wanted a sliding rear window when purchasing but my pick of the lot RST did not have it included. 

Seeing this, I'm pretty happy I purchased one with the solid window. 

[Baker 5]

23 hours ago, f8l vnm said:

Me  

They fixed mine like 4 months ago but just started leaking again this morning . Rain pretty hard overnight and this morning i got into my truck and saw the leaking window. So pissed right now . One time i can understand but now a second time ? How incompetent of GM 

I am in your area.  What dealership did you use for the repair?

 

[Megalomegalodon]

Dropped of this morning for round 2 at Tustin GMC. Service tech said that this time they will replace frame and he think that also includes the glass. This will be done by a 3rd party glass company. Hopefully this does the trick. Bummed that I will need to get my rear glass tinted again. Going to try and get GMC to cover the cost or at least float me some GM point instead. Got me an Acadia SLE as my loaner this time.

[Duramaxsky]

Dropped of this morning for round 2 at Tustin GMC. Service tech said that this time they will replace frame and he think that also includes the glass. This will be done by a 3rd party glass company. Hopefully this does the trick. Bummed that I will need to get my rear glass tinted again. Going to try and get GMC to cover the cost or at least float me some GM point instead. Got me an Acadia SLE as my loaner this time.

Did you not have factory tinted rear windows? Or did you just want it darker. I would think if you didn't have factory tinted you could get them to put one in.

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[Megalomegalodon]

15 minutes ago, Duramaxsky said:

Did you not have factory tinted rear windows? Or did you just want it darker. I would think if you didn't have factory tinted you could get them to put one in.

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I had all my windows IR Ceramic tinted after I bought the truck. If they replace the back glass, I will have to get it tinted again out of pocket for me unless I can get GM to cover the cost.

[DarkSky20]

Just got my truck back. They replaced the entire rear window. Tech found 12 inches of sealant not applied from the factory. How I didn’t have a rainforest waterfall I have no idea. Supposed to rain tomorrow. I’m gonna park it in the driveway and see what happens. 

[Transient]

Did you know what they did to your truck to stop the leak? Remove and replace the window or just reseal?

Again, I haven't had a leaky window, yet. I'll let you know what happens when my turn comes around.

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[f8l vnm]

18 hours ago, Baker 5 said:

I am in your area.  What dealership did you use for the repair?

 

Rydell in Northridge.  Going to try GMC in Thousand Oaks now