I wonder with the sporadic top end issues with the 3.6 .............

[OVERLORD]

Could this be part of the issue?

I have read; this has been a reoccurring issue with modern Stellantis production.

Jeep Is Recalling 112,859 PHEV SUVs That Might Have Leftover Casting Sand in Their Engines

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[sharpsicle]

That looks very specific to one engine type though.

 

[OVERLORD]

Concur.

Basic established procedures in manufacturing can cross over in design processing.

 

[jjdustr340]

Not totally out of the realm of possibilities. I seem to recall the 3.6 in the JKU having documented casting sand issues (2012 and 2013 I think).

 

[ShadowsPapa]

Could this be part of the issue?

I have read; this has been a reoccurring issue with modern Stellantis production.

Jeep Is Recalling 112,859 PHEV SUVs That Might Have Leftover Casting Sand in Their Engines

Nope.

That's for the 2.0 turbo engine - made very differently. (and different places)
It's all 4xe and those only use the 2.0 - no 3.6
The 3.6 is a high pressure die cast block.

 

[ShadowsPapa]

That looks very specific to one engine type though.

Yes, and one location, one engine, and one process.
The 3.6 is a die cast block.

They are talking about the 2.0 made for the 4xe in a different location, different line, different processes.

 

[OVERLORD]

Not totally out of the realm of possibilities. I seem to recall the 3.6 in the JKU having documented casting sand issues (2012 and 2013 I think).

I seem to recall there was a history of this issue.

 

[ShadowsPapa]

I seem to recall there was a history of this issue.

That was the original 3.6, years ago, different plants, different designs.

But people of course want an explanation for the 3.6 UPGRADE engine cam issues - still looking, and will try to make things fit (right or wrong)

The 4xe's 2.0 block is cast at the Kokomo Casting Plant in Kokomo, Indiana.

The Jeep 3.6L engine block is high-pressure die-cast and is manufactured in Trenton, Michigan, and the Saltillo South Engine Plant in Mexico.

I don't see anything carrying over...........

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