Need new 6.2 L86 Engine...but indefinite backorder???

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Joseph Garcia

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Welcome to the Forum from NH.

Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.

I hope that you will become a participating member in the Forum's discussions.

Pics of the truck, please.

Unfortunately, I have no additional insight for you.
 

TollKeeper

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What I am seeing is a lot of Backordered, or more concerning, Discontinued, for 2017 Escalade Engine Assembly Long Block..

The odd part is they are giving the same part number for both Flex and Non-Flex.. Which I dont think is correct.

 

Geotrash

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I wonder if this shortfall has anything to do with the problems we're starting to see with failed main, rod and thrust bearings on the '21+ trucks. If that's becoming a widespread problem, it could easily drain the supply chain of new engines, given that production of new trucks has been hitting the rev limiter for 3 years now.
 

Doubeleive

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poofyo101

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have heard horror stories about this company.
 
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poofyo101

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coolant is leaking into the block because the steel piston sleeve isn't sealing properly.
according to tech
 

TollKeeper

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Find a good machine shop, and have them put new piston liners in, plane the deck, multi angle the heads, and replace the cam bearings, then have a engine shop build it out for you. With new piston liners, you can put in stock size pistons, just a matter of the crank at that point.
 

THarber

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Look towards reputable companys like Texas Speed, LME, Thompson Motor Sports, etc. Sounds like you are going to do the work yourself so all you really need is a short block.
 

tom3

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My previous dealer would have put some GM cooling system sealer tabs in it and called it fixed. Hope you get a better result!
 
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I have to imagine there is some sort of priority labeling with where GM is sending new motors these days. My 2023 Yukon Denali blew two rod bearings at 3600 miles - exactly a month to the day from when we picked it up from the dealer. I figured months for a new motor but they had mine shipped and installed in just over 4 weeks. Maybe worth noting we did pay cash for our vehicle. Maybe GM has less of an incentive to repair a leased / financed vehicle?

Good luck tracking down a suitable replacement. Seems rebuild could definitely save you some wait time here
 

davebarky

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You could probably save a lot of money by buying a good used engine from a reputable used auto parts place like LKQ. They typically offer good warranties on lower mileage units.Car-part.com is another good place to look. I just put a 95,000 mile engine in my 2012 Yukon XL Denali, cost me $3500. I upgraded to a non AFM 6.0 out of a 2014 Silverado 2500. Tuned the computer for the mew engine, runs like a champ on regular gas.
 

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