NHTSA opens preliminary probe into more than 870,000 GM vehicles

[Jay P Wy]

Interesting video.

763K views · 11K reactions | It Blew up at 4 Miles! Part failure or assembly error? GMC 6.2L #enginebuilding #EngineRepair #autoshop #autorepair | Dave's Engines

It Blew up at 4 Miles! Part failure or assembly error? GMC 6.2L #enginebuilding #EngineRepair #autoshop #autorepair.

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Another video on the same motor. Broken piston where the c-clip should be. I'm not making any links to this and all the other 6.2l failures just worth a look.

5.4K views · 96 reactions | GM L87 Connecting Rod Failure. It’s Not a Bad Bearing | Dave's Auto Center

GM L87 Connecting Rod Failure. It’s Not a Bad Bearing.

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[Sean Michael]

I'm not experienced with engine building, but I watched that video when it came out and a lot of commenters on the video were saying it apeared to have already been rebuilt because of the presence of a heat tab, it had too much carbon build-up to have only been a 4-mile engine, and the fact Dave's garage even got it, because a stock engine that failed would've gone back to GM. I don't know who to believe, but some of the skepticism around that particular engine seemed believable to me.

 

[Jay P Wy]

I'm not experienced with engine building, but I watched that video when it came out and a lot of commenters on the video were saying it apeared to have already been rebuilt because of the presence of a heat tab, it had too much carbon build-up to have only been a 4-mile engine, and the fact Dave's garage even got it, because a stock engine that failed would've gone back to GM. I don't know who to believe, but some of the skepticism around that particular engine seemed believable to me.

I agree. I have lots of skepticism about that engine and the circumstances around how Dave's shop got it and why it's not at a dealer. Makes me wonder if the damage to the area around the c-clip was there before it was put together.

 

[seatown]

That would be shady if they were “planting” lies.

That metal looks pretty clean and new though.

If they’re be honest that it was a 4 mile engine, it looks like bad QA at the factory.

 

[Antonm]

Unless the owner of the vehicle just decided to eat the cost and not have the engine replaced under warranty, there is NO WAY that engine would not have gone back to GM,,, no way.

So unless YouTube is paying $30k for a video, we’re probably getting lied to. It may be a lie of omission , like “oh yeah, this engine has been rebuilt once before, or this vehicle was a theft recovery ” type thing that they didn’t bother to mention , but again, unless the owner just said “ this is fine, I don’t want you to fix it under warranty “ we’re not getting the full story.
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