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New bulletin/Campaign 6.2 L87

tbarn
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tbarn Senior Enthusiast

tbarn

Posted
Posted

New bulletin/Campaign for '21 -"24 Silverado, Sierra etc with 6.2 L87 engine. Has to do with engine sudden stop (blown). Very early. No parts available at this time. NOT ALL 6.2's are involved. Which ones is unknown. Dealers have a list of inventory to inspect and stop sale if inspection fails. No much of an inspection though. Check for P0016. If it is there then stop sale. If not then change oil and filter to 0-40, change oil fill cap to reflect new oil grade, send it. Again NO PARTS at this time.

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Snow White
Snow White

the real issue here is Metaldyne Performance Group who supplies most of the powdered metal forged and machined rods ASSEMBLED by Tonawanda.  As recent as 2021, JD Norman Industries sued Metaldyne over

newdude
newdude

Update(s)   GM sent dealers a new special tool to use with an existing tool, the Picoscope (fancy high end oscilloscope plus a whole bunch of other fun stuff it can do).  Its a knock sensor

newdude
newdude

EDIT:  Linking an earlier version of the recall here that's from this very thread:   https://www.gm-trucks.com/forums/applications/core/interface/file/attachment.php?id=182274&key=25bd8ff5fd2a227a

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newdude Senior Enthusiast

newdude

Posted
Posted
31 minutes ago, dieselfan1 said:

Ow40?

WTF?

 

 

Corvette/Camaro/Blackwing 6.2 LT1, LT2, LT4 and LT5 use it currently as of 2019.  Nothing new.  0w20 was/is in the pickups solely for fuel economy reasons.   

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customboss Senior Enthusiast

customboss

Posted
Posted
11 hours ago, tbarn said:

New bulletin/Campaign for '21 -"24 Silverado, Sierra etc with 6.2 L87 engine. Has to do with engine sudden stop (blown). Very early. No parts available at this time. NOT ALL 6.2's are involved. Which ones is unknown. Dealers have a list of inventory to inspect and stop sale if inspection fails. No much of an inspection though. Check for P0016. If it is there then stop sale. If not then change oil and filter to 0-40, change oil fill cap to reflect new oil grade, send it. Again NO PARTS at this time.

Boy oh boy GM has blinked. Metallurgical issues exacerbated by fuel dilution will only be DELAYED using 0w-40R by Mobil. 

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newdude Senior Enthusiast

newdude

Posted
Posted
3 minutes ago, customboss said:

Boy oh boy GM has blinked. Metallurgical issues exacerbated by fuel dilution will only be DELAYED using 0w-40R by Mobil. 

 

 

Buy enough time until they can get enough engines for full replacement perhaps?  Because I think that's what they might be trying here.  They know they won't be able to meet demand for it so why not stratify it.  

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Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted
8 minutes ago, newdude said:

 

 

Buy enough time until they can get enough engines for full replacement perhaps?  Because I think that's what they might be trying here.  They know they won't be able to meet demand for it so why not stratify it.  

It will be interesting to see if they cover past warranty, knowing there was a defect, or is it covered forever if the specific parts fail past warranty?  

 

There is always a better oil option. :)   https://www.amsoil.com/p/amsoil-signature-series-0w-40-100-synthetic-motor-oil-azf/?zo=521390

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customboss Senior Enthusiast

customboss

Posted
Posted
16 minutes ago, newdude said:

 

 

Buy enough time until they can get enough engines for full replacement perhaps?  Because I think that's what they might be trying here.  They know they won't be able to meet demand for it so why not stratify it.  

Most likely. @Black02Silverado has run Amsoil 0w-20 in his 6.2 with do far no issues. 
 

 

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Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted
8 minutes ago, customboss said:

After one year of being in charge of manufacturing this leader is resigning. Related? Maybe. 
 

https://stocks.apple.com/AiXSHCkptQzKMnOZ-OQ2loA

It would have been cool to be a fly on the wall in all of his meetings and offices to hear what exactly is going on.

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newdude Senior Enthusiast

newdude

Posted
Posted (edited)
1 hour ago, Black02Silverado said:

@newdude I just tried to message you but it said you can't get messages.

 

 

Hmm.  Not sure why that would be?  

 

EDIT - My inbox is full LOL should work now.  

Edited by newdude
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Byrds8 Enthusiast

Byrds8

Posted
Posted

Glad you posted that 0000 was for all of us and 0001 was just for dealers. I tried to get answers from two dealerships today and they said they dont know what to tell me lol. They see the recall but say there is no remedy for it. I said It says at the bottom to inspect then change the oil. They stated again it says at the top no remedy so there is nothing they can do.

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Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted (edited)
2 hours ago, Black02Silverado said:

It will be interesting to see if they cover past warranty, knowing there was a defect, or is it covered forever if the specific parts fail past warranty?  

 

There is always a better oil option. :)   https://www.amsoil.com/p/amsoil-signature-series-0w-40-100-synthetic-motor-oil-azf/?zo=521390

 

The defect is the 0W20 oil 😏

 

2 hours ago, newdude said:

Metallurgical issues exacerbated by fuel dilution

 

Name it...the exact metallurgical ISSUE. Can't be done. Again, attempting to 'say a thing true'. :nonod:. PROOF! and failing motors is proof only that they are failing. REASON...LOGIC....

 

Not the OEM's first rodeo on oil related failures. Anyone remember taking all the Phosphorus/sulphur out of flat tappet cammed motors just before roller cams became standard fair?  And the hideous number of lifter/lobe failures? NOT metallurgical. Motors are not moron proof. 

Edited by Grumpy Bear
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Byrds8 Enthusiast

Byrds8

Posted
Posted

I am due for an oil change, I wonder if I should just swap out the 0W20 I recently bought for the 0W40 and go on from there.

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