The 2023 Chevy Silverado 1500 introduces a few important updates and changes over the refreshed 2022 model year, once again offering four different powertrain options. Among these is the turbocharged 2.7L I4 L3B gasoline engine, rated at 310 horsepower and 430 pound-feet of torque. Critically, some units of the 2023 Chevy Silverado 1500 were equipped with turbo 2.7L engines with a cracked block.
To address this issue, GM has issued a new Customer Satisfaction Program. The Customer Satisfaction Program was released in February of 2024 and is tagged as N232415060, Block Main Oil Gallery Hot Core Pin Casting Defect. This particular Customer Satisfaction Program only applies to units of the Chevy Silverado 1500 produced for the 2023 model year. It’s currently unclear exactly how many units are affected, however, the Customer Satisfaction Program also applies to units of the 2023 Chevy Colorado, as GM Authority covered previously.
According to the new Customer Satisfaction Program, some units of the 2023 Chevy Silverado 1500 were equipped with engines that were manufactured with cracks in the block. To fix this issue, GM is instructing dealers to replace the engine on all affected units.
Update: according to a GM spokesperson who reached out to us following the publication of this article, there are only three Silverado units affected by this program, along with seven GMC Sierra units and four Chevy Colorado units.
The turbocharged 2.7L I4 L3B gasoline engine was first offered for the Chevy Silverado 1500 in conjunction with the 2019 model year, while the engine was later uprated with additional peak torque for the 2022 model year. Maximum output is now rated at 310 horsepower at 5,600 rpm and 430 pound-feet of torque at 1,500 rpm. Output is routed through the GM eight-speed automatic transmission.
The rest of the 2023 Chevy Silverado 1500 engine lineup includes the naturally aspirated 5.3L V8 L84 gasoline engine, the naturally aspirated 6.2L V8 L87 gasoline engine, and finally, the 3.0L I6 LZ0 turbodiesel Duramax engine.
The 2023 Chevy Silverado 1500 rides on the GM T1 platform, with production taking place at the GM Fort Wayne plant in Indiana, the GM Oshawa plant in Canada, and the GM Silao plant in Mexico.
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Comments
“Customer Satisfaction Program” ! How about, “Massive class-action lawsuit reduction program”?
Thanks again GM, Mary Barra.
GM is also lacking on their responsibility for the poor design and materials in rear slider window frames. If water gets past the rear spoiler it is diverted to a channel between window frame and cab frame. Frame cracks then let water into cab.
I know this a thread about trucks… I wished they would keep the option of a v-6 in other models. Not sure the 4 cylinder turbo is the new go to engine across the board.
In general, I wish the 4.3V6 would have seen some more love. Wish they would have added a hotter cam and used it instead of the heavier “high feature” 3.6. Added DFM, and active thermal management. Would have been a heck of a cheap, reliable,powerful engine.
those 4.3’s were good engines. basically a 350 block with 2 cyl cut off.
I wonder just how far the resale value will drop with a 4 cylinder half ton truck after it leaves the dealership.
Probably on par with an EV vehicle.
mine dropped 12 grand in 4 months
So in effect you cut the venerable 5.3 V8 in half …..
and bad things happen.
I’m shocked ……. SHOCKED !
No Phil-
The 4cylider motor was developed for truck use and has very little in common with the 5.3
no phil. the 2.7 is a new sheet design. The 4.3 V6 was a 350 with 2 cyl. cut off. And the 4.3 was a good engine.
Sign me up Mary a L84 V/8 option for the AT4X Canyon. Forget the wokeism that has plagued GM and put us on the road kicking and screaming to build appliance like vehicles. We are Gearheads, the age that was built on ICE powered sounds that tickles our soul of freedom. Realize Lutz is getting up there in age, however there are millions of us Americans that came out of the Lutz car guy world that don’t want turbo charged 4 bangers. There is nothing like the sound of V/8 power. God Bless the freedom to produce the small block V/8!
Wow, I thought they only cracked when put into Colorados & Canyons. What’s next, the 2.7 blocks are also cracked in Sierras? New article that it also applies to Sierras in 3…2…1…
Yeah really annoying when they copy paste the same articles for the GMC models that have the same issues.
There seems to be a lack of institutional memory in the GM Powertrain design and development community. This sounds disturbingly familar from Fiero 2.5 liter 4 experience.
There is nothing like quality control-wait a minute sounds like some Hyundai managers ended up working for GM. There is no reason that such a problem occurs but then again GM management is starting to channel the “old” GM. What is going on? Is GM in a race to the bottom, who will get there first, Ford, Stellantis or GM? My money though is still on Ford or Stellantis for first place with Ford edging out Stellantis.
Toyota seems to be heading for first place judging by the huge number of new Tundra owners with total engine failure. Crank bearings turned into glitter, pistons destroyed, broken rods, etc. That’s after years of reports by owners with 2016-22 Tacomas with engine failures. The one list had over 60 members in the list and it’s not a very active forum. The reliability of the 3.5L V6’s were always wildly exaggerated. There are a lot of issues and modes of failure that the owner has no control over with those engines.
I said from day one that I won’t place an order for a new, full size short bed standard cab until I can get the 5.3 V8. The GM team and “experts” here said we’d be pleased, satisfied and surprised with the performance of the 2.7 Turbo 4cyl.
What about the problems with all the engines with DFM . Lifter failure and GM new about the problem and are not recalling all these engines and removing the crap system. When is this going to be taken care of?
On motor #4 on my avalanche
GM should add two cylinders to this engine to make it a proper inline six.
Must be a very low quantity of engines affected as GM hasn’t stuck its head in the sand. Yet.
Unlike the 7 years of 2.4L Ecotec engines GM designed and produced 2010-2017 for Equinox and Terrain vehicles. Engine has a defectively designed crankcase ventilation system that has resulted in numerous catastrophic engine failures.
A class action lawsuit with proof of the problem has not done much. After numerous calls to GM my daughter’s Equinox continues to sit in the garage with a seized engine ((2 years ago) awaiting a warranty claim request/ authorization to replace the engine from GM that unfortunately will never come.
If it’s a defective design and it causes catastrophic failure, why are there so many that don’t have catastrophic failure? How does a PCV system cause catastrophic failure?
Sounds like an easy problem to fix with either a stronger aluminum alloy or a thicker block. It looks like a pretty sophisticated engine according to design specifications. So embrace the progress in technology.
My 2017 Z71, had an AC Condenser, transmission, fuel pump, and throttle control sensor all go out shortly after the 75,000 mile warranty and GM did nothing!! Lemon 🍋 truck 💯 but GM takes zero responsibility for their trash 🗑️
I have been a GM owner all my life. I bought a new 2022 Silverado with the 2.7L turbo. I love my V8 horse power. When I drive the 2.7L Turbo. I’m very impressed with the HP ,torque and performance of this engine. I suggested test driving at least once. Ya there’s manufacturing issues that will be taken care of. Anything man made can be broken or fixed.
The vast majority of those who bash the 2.7 are the “macho guys” who have never driven one. And they don’t know about horsepower and torque numbers either.
All i need to know is this, you will never get the sound out of a exhaust of a 4 cyl. that you do out of a V8. Real men want a V8. lessor men, well……………………….
I know were talking about trucks here but watch out, Acura, and Lexus could dominate this market too if they wanted to. There cars are light years ahead of the American car companies. And so is there stock accordingly.
Still better than a Toyota
I owned Toyota trucks for 20 years but after my experience with my 2010 Tundra and 2017 Tacoma, I’m done with the brand. The hype about the reliability of the 2nd gen Tundra is grossly exaggerated. There was a guy with a 2nd gen Tundra that was so frustrated with all the issues with his truck and Toyota that he made a website called NoQDRTundra. His issues were very similar to the issues I had. Constant oil leaks, HVAC blower failure at low mileage, rusty tailgates after just a year, multiple bad wheel bearings, transmission issues, rear main seal leak, etc. The Tundra is reliable only the in the delusional minds of Toyota zealots.
They still refuse to do anything about the faulty 8 speed transmission. So many have failed, parts are in short supply. I’m done with GM junk, and I have driven GM products since my first car in 1973. My next truck will be a Ford.
A Ford. LOL. Give it time and you will soon wish you had your GM back.
Reading through all of these comments I have one overriding question, why did this problem happen in the first place? Designing and then building ICE engines is not rocket science. ICE have been around for !00 plus years. Yet, a company such as GM with all of their money and automotive engineers, quality control “experts”, purchasing agents to secure the best sources for components cannot in certain instances, (such as this engine), design & build a reliable one. Same with the transmissions, Automatic transmissions have been around for a long time. Again, for some unexplained reason they could not design & engineer a trouble free 8-speed automatic. We can send satellites to explore the solar system, send men to the moon yet GM and other auto companies keep screwing up. The only reason that I can think of is that they don’t care at all. They will deal with the customer when they have to but if push comes to shove the customer can go screw themselves. One would think that having pride in turning out a reliable truck would push GM to do the best job possible. No way, not in a flash. They seek to go to the lowest common denominator and that is not only their attitude but also of many other auto companies. There is absolutely no reason for anyone having these trucks with these engines & transmissions to have any of the problems mentioned in the article & comments. Not ONE reason & any “excuse” by GM management is 100 % corporate bull you know what.
the issue is the new younger breed of “designers and engineers” do not know what they are doing. GM booted out all the older ones to save on hourly wages. You get what you pay for. Corporate stupidity is alive and well.
According to GM-trucka article . Only 12 trucks are affected by this engine block issue?
NJ Driver,
The average internal combustion motor has over 200 parts. The motor itself is not defective-it’s just a bad batch. There is no such thing as 100% perfect in manufacturing. You like space stuff-so look up Apollo 13. It was a bad tank.
The thing is GM is making it good and standing behind their product.
You living in fantasy land if you think there should be/or will never be problems.
Are you an engineer BTW?
So is this ONLY trucks built as a 2023 or do the 2022 models with the 2023 interior and H/O motor go hand in hand with this
I have a 2023 crew cab with a long bed and the 3.0 diesel. 25-28 mpg in combined driving 60%in town. You guys are crazy to cry about gas engines when you can have 2× the power and mileage. The diesels are as clean as gas and lots better built.
Nobody wants a four cylinder in a full size truck period.
So far my 22 Sierra on the L3B 2.7T IL-4 runs like a dream. After CAI, expanded+rerouted exhaust, and a tune, It’s a beast that eats other 5.3s for breakfast.
30k and strong! I doubted this block but it’s an amazing platform, (if you know how to use it, if you learn the turbo, and let the machine talk to you)
This motor is more “spirited” and has a personality like no other, it stays with you all the way through the rev range, and is responsive as hell! From idle, to 5700R this engine has a desire to be worked. Unlike my experience with the 5.3 L V8 whereas the engine and transmission don’t seem to know what they’re doing, and seem lethargic for the first couple seconds of a takeoff.
That engine looks great on paper but my concern is long term durability and carbon buildup do to the direct injection.
I have a 2023 Silverado with the 2.7L Turbo I4 L3B engine and first saw the article about cracked engine blocks on 2/23/24 while perusing the Net. I called the Dealer and they were completely unaware of the issue. As of now, I have been unable to find out if my Truck is one of those with a cracked block. I tend to think not since it seems to be running OK. I’m guessing GM may not know for sure with vehicles were shipped with the bad engine. I’m taking it in this coming week for the ECM issueand will be asking them why I had to add 1/2 Qt. of oil after driving it onlyl 1076 miles. By the way, my Dodge RAMs’ were also “problematic”.
The bulletin states that there are 12 vehicles affected, per the stated bulletin.
That engine looks good on paper but in the real world a small turbocharged engine moving a heavy vehicle is a recipe for short engine life
No replacement for displacement.