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Rear window leak

Demon
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Demon Enthusiast

Demon

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5 hours ago, JKD said:

I hope so and that they have engineered a fix. I really like the truck. It’s truly heart breaking and infuriating to buy a vehicle and have to endure this process of discovery and repair which happens at a snail’s pace. Meanwhile, payments are being made for a vehicle that can’t be used. Then having to endure the embarrassing  comments from others, “you should have bought” a Ford or Toyota. As earlier stated by another member, this has completely ruined the ownership experience. If they’d give me another Denali as a loaner, couldn’t care how long it takes. Otherwise, either fix it now or give me a new truck GM.

Hell, they've got me in a pretty basic Colorado. 

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Rocz3cqg
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ShamrockShooter
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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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JKD Enthusiast

JKD

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19 minutes ago, Demon said:

Hell, they've got me in a pretty basic Colorado. 

 

19 minutes ago, Demon said:

Hell, they've got me in a pretty basic Colorado. 

Yeah, they’ve got me in a 2018 Sierra SLE, which wouldn’t be so bad if it weren’t for what has been quoted as the ugliest green since the 70’s ?

JKD Enthusiast

JKD

Posted
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I find it interesting that GM selectively replies to certain posts. It’s nice that they read this forum, but they seem to only chime in on the relatively “simple to repair” issues. What, no comment, GM, on the multiple customers experiencing water damage from leaking windows? 

Jaychevy81 Enthusiast

Jaychevy81

Posted
Posted
I find it interesting that GM selectively replies to certain posts. It’s nice that they read this forum, but they seem to only chime in on the relatively “simple to repair” issues. What, no comment, GM, on the multiple customers experiencing water damage from leaking windows? 

I agree not even just with the leaking window or shark fin antenna. What about the crappy transmissions. There quick to take your cash but they don’t wanna recognize there faults. I brought my truck to the dealer for the Trans shifting. I got handed a GM bulletin that it’s all caused by the K&N air filers. Nice way to pass the buck off GM.


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JKD Enthusiast

JKD

Posted
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10 hours ago, Jaychevy81 said:


I agree not even just with the leaking window or shark fin antenna. What about the crappy transmissions. There quick to take your cash but they don’t wanna recognize there faults. I brought my truck to the dealer for the Trans shifting. I got handed a GM bulletin that it’s all caused by the K&N air filers. Nice way to pass the buck off GM.


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Lol, because of an air filter? Does the trans work off of 1950’s vacuum technology? What a bunch of bull! Show me the science where increased airflow causes shifting errors. No, the real problem is subpar programming. The ECU should make the proper adjustments for airflow and density. The six speed trans in my 2016 Canyon was just OK, and you had to feather the accelerator or the engine would just rev and it couldn’t seem to find the right gear when traveling between 35 and 40 mph. Look, all makes have issues. I’m not bashing GM alone for having issues, but they just need to acknowledge and fix them without the smoke and mirrors routine.

Jaychevy81 Enthusiast

Jaychevy81

Posted
Posted
Lol, because of an air filter? Does the trans work off of 1950’s vacuum technology? What a bunch of bull! Show me the science where increased airflow causes shifting errors. No, the real problem is subpar programming. The ECU should make the proper adjustments for airflow and density. The six speed trans in my 2016 Canyon was just OK, and you had to feather the accelerator or the engine would just rev and it couldn’t seem to find the right gear when traveling between 35 and 40 mph. Look, all makes have issues. I’m not bashing GM alone for having issues, but they just need to acknowledge and fix them without the smoke and mirrors routine.

I totally agree with you I’m not bashing just giving my opinion on there issues.


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captainzombie Enthusiast

captainzombie

Posted
Posted
Lol, because of an air filter? Does the trans work off of 1950’s vacuum technology? What a bunch of bull! Show me the science where increased airflow causes shifting errors. No, the real problem is subpar programming. The ECU should make the proper adjustments for airflow and density. The six speed trans in my 2016 Canyon was just OK, and you had to feather the accelerator or the engine would just rev and it couldn’t seem to find the right gear when traveling between 35 and 40 mph. Look, all makes have issues. I’m not bashing GM alone for having issues, but they just need to acknowledge and fix them without the smoke and mirrors routine.


Totally agree. The 6 speed trans in my 2016 Colorado was nothing special and I had the infamous stutter issue. Things would get worse when I would accelerate between 25-30 mph, then as you decelerate down to 15-20 mph even making a turn the stuttering would be bad. After almost 2 years I gave up and traded it in for a 2018 Silverado which I needed the extra room anyways.
Demon Enthusiast

Demon

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Update, I got my truck back on Friday and the leak appears to be fixed.

Jaychevy81 Enthusiast

Jaychevy81

Posted
Posted


Totally agree. The 6 speed trans in my 2016 Colorado was nothing special and I had the infamous stutter issue. Things would get worse when I would accelerate between 25-30 mph, then as you decelerate down to 15-20 mph even making a turn the stuttering would be bad. After almost 2 years I gave up and traded it in for a 2018 Silverado which I needed the extra room anyways.

Yea that’s what they said so I brought it in sat for a oil change. I bitched to them they said make an apt and we will do a road test so we will see what comes of it I guess.


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JKD Enthusiast

JKD

Posted
Posted
14 hours ago, Demon said:

Update, I got my truck back on Friday and the leak appears to be fixed.

That’s great Demon! My location “must be a geographical oddity...two weeks from everywhere” for my truck’s parts (to quote “Oh Brother Where Art Thou”)

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JKD Enthusiast

JKD

Posted
Posted

It’s now been 30 days the truck has been at the dealership awaiting repair. Unbelievable.

Demon Enthusiast

Demon

Posted
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6 hours ago, JKD said:

It’s now been 30 days the truck has been at the dealership awaiting repair. Unbelievable.

Hmm, I'm guessing that the window in the Sierra is different then. 

Camario Enthusiast

Camario

Posted
Posted (edited)
On 2018-12-03 at 8:06 AM, JKD said:

Lol, because of an air filter? Does the trans work off of 1950’s vacuum technology? What a bunch of bull! Show me the science where increased airflow causes shifting errors. No, the real problem is subpar programming. The ECU should make the proper adjustments for airflow and density. The six speed trans in my 2016 Canyon was just OK, and you had to feather the accelerator or the engine would just rev and it couldn’t seem to find the right gear when traveling between 35 and 40 mph. Look, all makes have issues. I’m not bashing GM alone for having issues, but they just need to acknowledge and fix them without the smoke and mirrors routine.

You laugh about the air filter thing. But it’s true. I’m a tech for Subaru and we’ve seen issues with clients putting on those cone air filters causing the engine to hesitate under hard acceleration. Swapped it out for the stock filter. Issue resolved 

Edited by Camario
JKD Enthusiast

JKD

Posted
Posted
1 hour ago, Camario said:

You laugh about the air filter thing. But it’s true. I’m a tech for Subaru and we’ve seen issues with clients putting on those cone air filters causing the engine to hesitate under hard acceleration. Swapped it out for the stock filter. Issue resolved 

 But why does it happen? Shouldn’t be from too much air flow. 

Jaychevy81 Enthusiast

Jaychevy81

Posted
Posted

I’m not talking about the cone air filters. It’s a drop in the factory air box filter and when the dealer showed me that bulletin. I took it out and put the stock filter back. And guess what after a month of driving no difference so that’s a crock as far as the GM bulletin.


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