The engine on the Yukon I got as a replacement for the Yukon that got two engine replacements needs replaced. Yes, you read that correctly.

[Bigburb3500]

Wow! What bad luck you have had! I hope this new engine works out but I would not recommend the Wagoneer for long term… I just don’t think I would trust a high strung turbo V6 from a company that does not have great history of them. Ford… eh. Ecoboost seems to be a bit better and I love the Navi but out of my price range. If you have another issue I wonder if you could get them to get you into a 2025?

Your 4Runner experience shocks me. I really like the 4Runner and I do agree the tech is highly antiquated, I thought it was a great vehicle for highway travel and around town. Even with their V6 issues I still wouldn’t hesitate with a Toyota product. You just give up things that are “standard” on other vehicles.

 

[LegalBrief]

Save urself.. run from the wagoner. Look at the wagoner forums, it the worst ever. Navigator is ok, but extremely dated.

 

[Marky Dissod]

Stellantis skrewered Chrysler & Jeep somethin fierce with the Wagoneer, hopefully they don't ruin Ram too.
Still wonder about that twin-turbo 6-inline, hope it's better than GM's or Chrysler's 3.6L V6s, those are liquic schidt.

 

[BacDoc]

Any update on your trials and tribulations?
Did you get a new Yukon?


Statistics tell us that probability has no memory but it would be highly unlikely that a 4th engine or 4th Yukon would fail

 

[Marky Dissod]

Statistics tell us that probability has no memory, but it would be highly unlikely that a 4th engine ... would fail

It would be highly unlikely - UNLESS GM had somehow institutionalized a mistake / oversight / procedural failure.
Clearly GM has allowed a colossal error very early into the L87 assembly process.

 

[BacDoc]

I’m curious how this worked out, from the OP it looked like this would be the 4th? Engine or maybe the lemon law makes it a replacement?

 

[Vector]

@djsassan wow that sucks, my advise is get the diesel next time. I still can’t get on board with the wagoneer’s, they’re just too ugly imo

With the issues I experienced with my 2015 Escalade (heavy carbon buildup on the valves because of the variable valve timing crap) I decided to get the 3L turbo diesel on my 2021 to avoid all these crazy engine failures like the OP is going thru.
It is too early to tell if I made the right choice in going with another Escalade ESV, but I have gotten use to some of the creature comforts of this platform. I was a Sub guy for the longest time, but once I was upsold into the Escalade, I wanted to stay with it.

So yes, if the OP can get them to give him a diesel, he might be better off. The fuel economy is great compared to the gas engine, as I am averaging 26mpg and approaching 30mpg with steady highway driving.

 

[Vector]

Do these newer 6.2s also call for 0W-20 like the 5.3s? I wonder if stepping up to a 0/5W-40 Euro or even a 5W-30 would have any bearing on the lifter lifespan?

I mean the cst of a 20wt isn’t that low so I can’t imagine that’s the magic cure all, but just curious.

Aside from any manufacturing problems on the assembly line, these morons at GM put meeting the CAFE standards above the health and longevity of their engines (maybe even their transmissions) with recommended fluids that is as thin as water.
They are destroying the GM brand as a result.

I have had GM's my entire life starting with a Camaro RS, then a Z28, multiple trucks (pickups, Avalanche), SUV's, 2 Corvette's, etc.
However with all the crappy things they have done (remember all the cracked dashboards on new trucks) and they tried to weasel their way out of replacing them. Now with these drivetrains failing, it is enough to consider dumping them.
At least the wifes Buick Cascada calls for 5w30 but that is because it was made in Europe where they do not have CAFE crap.
That is right folks, the exact same engines/transmissions in the EU, Australia, and other places have thicker fluids which protect better.

 

[Fless]

With the issues I experienced with my 2015 Escalade (heavy carbon buildup on the valves because of the variable valve timing crap) I

It's my understanding -- right or wrong -- that the carbon buildup is mostly due to direct injection, not VVT.

 

[Geotrash]

It's my understanding -- right or wrong -- that the carbon buildup is mostly due to direct injection, not VVT.

Correct. And direct injection diesels are typically just as susceptible, if not more so. That said, I don’t know if GM did anything to mitigate it on the 3.0, but other manufacturers (e.g. BMW) are still struggling with it.

 

[Fless]

Correct. And direct injection diesels are typically just as susceptible, if not more so. That said, I don’t know if GM did anything to mitigate it on the 3.0, but other manufacturers (e.g. BMW) are still struggling with it.

Some manufacturers are incorporating auxiliary (supplemental?) fuel injectors that help clean the valves. As I understand it these injectors are programmed to spray occasionally to aid valve cleaning. Lessons learned from DI.

 

[Marky Dissod]

Some manufacturers are incorporating auxiliary (supplemental?) fuel injectors that help clean the valves.
As I understand it these injectors are programmed to spray occasionally to aid valve cleaning. Lessons learned from DI.

More like lessons forgotten / rediscovered / d'doy.

Besides cleaning the backs of the intake valves, multiport fuel injection has more time to inject more fuel at much lower pressures;
don't know if direct injection can fire fuel while the spark is ... sparking.

 

[djsassan]

Hi all,

I didn't know there was interest in follow-up.

So GM bought back my 2021 Yukon after 2 engine failures and another engine issue, and I got a full refund. I used that money and got a 2023 Yukon, which had an engine failure at 9k miles and had to have the engine replaced. With the recall, I took the new engine in at around 23k miles (14k on the engine) and of course it passed.

I had the option to have GM buy back the 2023 and go get myself a new 2024 Yukon or something else. However, the 2023 has Comprehensive warranty up for 6 years or 105k miles, which is crazy awesome. Between that and 150k warranty on the engine, it just made too much sense to keep the 2023. It is my daily driver and damn the thing is nice, but there is always there bit of doubt in the back of the mind (especially with kids in the car) about reliability.

I do have an issue with Android Auto constantly dropping and it is driving me freaking nuts. I travel for work every few weeks so I rent a LOT of cars, and no other car has this issue with my phone so I know it is the Yukon doing it. With the warranty I have, I'll drop it off next time I get the oil change and have them look at it.

Other than that, I get compliments on this beast all the time. Fun thing to drive!

 

[Marky Dissod]

... but there is always there bit of doubt in the back of the mind (especially with kids in the car) about reliability ...

You may allay your fear somewhat, if you can get a bore-o-scope into the oil pan immediately after you drain the oil.
If you find any swarf (or anything else for that matter) that does not belong there, it's only a matter of time before the loaded dice roll snake eyes.
If the bottom of the oil pan is clean, your dice are not loaded (so to speak) ...

 

[RST Dana]

Hi all,

I didn't know there was interest in follow-up.

So GM bought back my 2021 Yukon after 2 engine failures and another engine issue, and I got a full refund. I used that money and got a 2023 Yukon, which had an engine failure at 9k miles and had to have the engine replaced. With the recall, I took the new engine in at around 23k miles (14k on the engine) and of course it passed.

I had the option to have GM buy back the 2023 and go get myself a new 2024 Yukon or something else. However, the 2023 has Comprehensive warranty up for 6 years or 105k miles, which is crazy awesome. Between that and 150k warranty on the engine, it just made too much sense to keep the 2023. It is my daily driver and damn the thing is nice, but there is always there bit of doubt in the back of the mind (especially with kids in the car) about reliability.

I do have an issue with Android Auto constantly dropping and it is driving me freaking nuts. I travel for work every few weeks so I rent a LOT of cars, and no other car has this issue with my phone so I know it is the Yukon doing it. With the warranty I have, I'll drop it off next time I get the oil change and have them look at it.

Other than that, I get compliments on this beast all the time. Fun thing to drive!

Are you connecting your droid via cable or Bluetooth?