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'24 2500HD Gasser Allison 10spd Valve Body Issue

silversteverado

By silversteverado
in 6.6L Gas V8 (L8T)

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silversteverado Enthusiast

silversteverado

Posted
Posted

I searched around the forum but didn't find any info if it's already being discussed. Apparently, there is a problem with the valve bodies and no one has a clue when it will be resolved. My '24 2500 with 26k miles has been in the shop for 3 months now. The problem occured very shortly after the trucks crash detection braking system activated but it seems it's a well known issue.

lineman1234 Enthusiast

lineman1234

Posted
Posted (edited)

First well known i have heard of. I have over 15,000 miles on my 2024 3500 gasser and not a bit of a problem on anything. 

 

But then again, first thing i did when i got in it and headed home, was to shut all the safety stuff off, and its never been turned back on. 

Edited by lineman1234
20L8TSierra24 Senior Enthusiast

20L8TSierra24

Posted
Posted (edited)

Mine is in the shop now with a nasty shudder and loud whine. Dealer has had it a couple days now. 12k on mine.

Edited by 20Denali22
GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted
18 hours ago, 20SierraL8T24 said:

Mine is in the shop now with a nasty shudder and loud whine. Dealer has had it a couple days now. 12k on mine.

We are sorry to hear of this noise concern you are facing with your Sierra and would like to help investigate further for you. Please send us an email to [email protected]. Be sure to include your Username and Forum name in the subject line with additional details. We look forward to hearing from you. 

  • Like 1
BCGM Enthusiast

BCGM

Posted
Posted (edited)
On 8/20/2024 at 4:46 PM, lineman1234 said:

First well know i have heard of it. I have over 15,000 miles on my 2024 3500 gasser and not a bit of a problem on anything. 

 

But then again, first thing i did when i got in it and headed home, was to shut all the safety stuff off, and its never been turned back on. 

What  safety items did you shut off ?

Edited by BCGM
  • Like 1
lineman1234 Enthusiast

lineman1234

Posted
Posted

All/everything i could/anything i could. 

 

Added things i cant shut off but would, would be the auto locking door locks, auto headlights coming on each start, i just shut them off each start. I cant shut off the backup camera or i would. The seatbelt chime i would shut off if i could, but cant.

MORSNO Enthusiast

MORSNO

Posted
Posted
On 8/27/2024 at 7:23 AM, lineman1234 said:

All/everything i could/anything i could. 

 

Added things i cant shut off but would, would be the auto locking door locks, auto headlights coming on each start, i just shut them off each start. I cant shut off the backup camera or i would. The seatbelt chime i would shut off if i could, but cant.

 

You didn't answer the question.  What are all the safety things you turned off and never back on?  

lineman1234 Enthusiast

lineman1234

Posted
Posted

I am not going to or need to list what ( everything ) is. 

 

A simple search with the information under my user information and you can get the answer to your question. 

silversteverado Enthusiast

silversteverado

Posted
  • Author
Posted
On 8/20/2024 at 7:46 PM, lineman1234 said:

First well known i have heard of. I have over 15,000 miles on my 2024 3500 gasser and not a bit of a problem on anything. 

 

But then again, first thing i did when i got in it and headed home, was to shut all the safety stuff off, and its never been turned back on. 

Good call on that

  • Like 1
BuckWallace Enthusiast

BuckWallace

Posted
Posted
9 hours ago, MORSNO said:

 

You didn't answer the question.  What are all the safety things you turned off and never back on?  

He wants to list out everything he can't turn off, but won't list things he did turn off. My guess is he doesn't want to answer because he has a work truck and there isn't anything to turn off.

  • Haha 2
lineman1234 Enthusiast

lineman1234

Posted
Posted
1 hour ago, BuckWallace said:

He wants to list out everything he can't turn off, but won't list things he did turn off. My guess is he doesn't want to answer because he has a work truck and there isn't anything to turn off.

WOW, now 2 people want to be spoon fed. 

 

 

 

  • Like 1
lineman1234 Enthusiast

lineman1234

Posted
Posted

In the blurry pic is a little orange light by the speedo diel. Its either for the side warning something is there off, and or the front collision off. Both are off.

 

Dont take it personal as i dont want to scroll through the screens to list what i do have or dont have and have shut off, some can/were wile driving some needed to be parked, odds are not running. 

 

I love and wanted the regular cab WT with just what i needed. I didnt want a diesel again, and i read up on the new cheby 24's with the 6.6 gasser and 10 speed trans and went that route, and am very happy and totally trouble free so far at over 16,000 miles. 

20240128_094758.jpg

  • 4 months later...
silversteverado Enthusiast

silversteverado

Posted
  • Author
Posted

Update 7 months later. Valve was supposedly shipped in October, but before it even got to dealership they decided it was now the transmission. Called GM complain number and they mention possible buy back. That got denied afterb3 weeks then finally 2 weeks later a transmission arrived at dealership. They say I'll have it in a few days. We'll see. So trucks been sitting 7 months while the ethanol is breaking down and tires probably have flat spots. Apparently there's some sort of compensation in the works. We'll see what that's all about. 

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