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Started By
Message
Officials looking into reports of engine failure involving more than 1.4 million Hondas
Posted on 8/27/25 at 9:23 am
Posted on 8/27/25 at 9:23 am
quote:
LINK
According to the National Highway Traffic Safety Administration, more than 1.4 million Honda and Acura vehicles are involved in the reported engine failure investigation.
The agency says the investigation first started in 2023 after it received numerous reports of the “failure of connecting rod bearings, leading to complete engine failure” in the 3.5L V6 engine used in certain models of the Acura TLX, Acura MDX, Honda Pilot, Honda Odyssey and Honda Ridgeline.
The engine failures were initially investigated under a recall in November 2023, but officials said further evidence suggested that the failure was not caused by the same crankshaft manufacturing defect that was addressed in the recall.
Toyota
Hyundai
Kia
Ford
General Motors
Honda
Doesn’t matter. All have seen major engine failures and recalls lately. Modern car companies have forgotten how to build engines.
13
Posted on 8/27/25 at 9:27 am to member12
quote:
Modern car companies have forgotten how to build engines.
Or pie in the sky government efficiency mandates caused car manufacturers to roll out updated engines without proper R&D.
Posted on 8/27/25 at 9:27 am to member12
Ehhh, you can’t lump all those companies together, just because they have engine issues on some makes. Toyota, Honda are still vastly superior to the Ferds, GM’s…..and Stellantis garbage.
This post was edited on 8/27/25 at 9:28 am
Posted on 8/27/25 at 9:28 am to member12
That is a solid little engine, but I used to think GM's 6.2 was that as well.
Posted on 8/27/25 at 9:31 am to member12
I think that 3.5 is still a fairly simple NA engine.
Posted on 8/27/25 at 9:32 am to NoBoDawg
quote:
I’d Toyota, Homda are still vastly superior
Modern Toyota engines have been very disappointing. Toyota is clearly not good with introducing that much new tech at one time anymore. The Tundra would be worst in class in reliability by consumer reports if not for Ford’s horrible Ecoboost hybrid setup in the F-150. And this is the 4th year of production.
The Honda and GM recall is for an older design that should be very solid. That doesn’t make sense to me unless they are swapping suppliers and letting QC get lax. Should be easy to avoid this problem but here we are….
These companies are rushing design changes and screwing up their procurement process. And somehow also charging an arm and a leg for their new products with inferior reliability.
Boeing was just the beginning.
This post was edited on 8/27/25 at 9:36 am
Posted on 8/27/25 at 9:32 am to NoBoDawg
quote:
hhh, you can’t lump all those companies together, just because they have engine issues on some makes. Toyota, Honda are still vastly superior to the Ferds, GM’s
thats exactly why you can lump them all together... they all have problems... 
Posted on 8/27/25 at 9:33 am to Cosmo
quote:
I think that 3.5 is still a fairly simple NA engine.
Yeah and these aren't SUPER new engines, either. This was the last gen.
Posted on 8/27/25 at 9:38 am to N2cars
quote:
That is a solid little engine, but I used to think GM's 6.2 was that as well.
And then GM decided it needed a variable displacement oil pump to save fuel; starving the lifters and bottom end of oil. Their fix is heavier weight oil which I think is a cop out.
At least they brought back the old school oil pump in the L84 5.3L motor a year or two ago. But didn’t admit that they did it because the old setup sucked. But that’s why they did it.
I also don’t think Toyota has really fixed their new twin turbo. Lots of reported issues with engines made after the recall window.
This post was edited on 8/27/25 at 9:47 am
Posted on 8/27/25 at 9:49 am to boxcarbarney
quote:
Or pie in the sky government efficiency mandates caused car manufacturers to roll out updated engines without proper R&D.
It’s the same basic 3.5 SOHC V6 that Honda has been making for decades that doesn’t get that good of gas mileage.
Posted on 8/27/25 at 9:52 am to member12
quote:
Modern car companies have forgotten how to build engines.
I was ready for them to say this was some 1.2 liter turbo engine.
But the NA V6? That's a bread and butter engine.
I still think this is all regulations. I bet they got that thing tuned lean with super high compression.
Honda is the Honda "Motor" company. If they can't do it, no one can.
Posted on 8/27/25 at 9:54 am to NoBoDawg
quote:
Ehhh, you can’t lump all those companies together, just because they have engine issues on some makes.
Why should Toyota or Honda get a pass for crankshaft issues but not other makes? Have you seen what Toyota charges for those shitty new trucks?
Judging by the recent spike in resale value of the 5th Gen 4Runner and the 3rd Gen Tundra, most Toyota people are not giving Toyota a pass either. Everyone knows their new turbo motors suck.
Posted on 8/27/25 at 9:57 am to member12
Toyota Sienna still the GOAT
Posted on 8/27/25 at 10:06 am to boxcarbarney
quote:
quote:
Modern car companies have forgotten how to build engines.
Or pie in the sky government efficiency mandates caused car manufacturers to roll out updated engines without proper R&D.
This.
They know how to build engines and they all.could build bulletproof V6s and V8s if it wasn't for the nanny state
Posted on 8/27/25 at 10:15 am to Grievous Angel
quote:
But the NA V6? That's a bread and butter engine.
The problems started when Honda modified the original design to add VCM (variable cylinder management) for better MPG. VCM deactivates 3 cylinders for better fuel mileage.
Variable Cylinder Management (VCM):
VCM, used to improve fuel economy, can lead to increased stress on engine components and potentially cause issues with engine mounts and oil consumption.
Oil Consumption:
Some J35 engines are known for excessive oil consumption, which can be exacerbated by VCM and infrequent oil changes.
Posted on 8/27/25 at 10:19 am to Grievous Angel
quote:
But the NA V6? That's a bread and butter engine.
I still think this is all regulations. I bet they got that thing tuned lean with super high compression.
Honda is the Honda "Motor" company. If they can't do it, no one can.
This one is definitely odd. That 3.5 has been around a seriously long time. The J series goes back to 1996. I personally think some of this has to be regulation based or specs pushing towards meeting government efficiency numbers. I had an '05 Accord with the J30 that went about 240,000 miles without a hiccup before I sold it.
The J series originally had a 10:1 compression ratio, now it's 11.5:1, Original oil spec was 5w-30, then around 2005 went to 5w-20 and now is 0w-20. Originally had now cylinder deactivation and now has it. Basically all things to chase a couple MPG and meet EPA standards.
I don't think Honda or any of the other engineering companies have forgotten how to properly do their jobs, they've been forced by government agencies into positions where quality has to suffer to meet the new regs.
This post was edited on 8/27/25 at 10:21 am
Posted on 8/27/25 at 10:25 am to member12
Honda has definitely been skating on their 1990's - early 2000's reliability reputation. Even their outdoor engines have had problems in recent years.
Posted on 8/27/25 at 10:27 am to member12
quote:
Modern car companies have forgotten how to build engines.
Why can’t they pull the engine specs from the Gen 4 4Runner and just build that. Please?
Posted on 8/27/25 at 10:29 am to weadjust
quote:
The problems started when Honda modified the original design to add VCM (variable cylinder management) for better MPG. VCM deactivates 3 cylinders for better fuel mileage.
I installed a VCM Tuner/Muzzler on our 2015 Odyssey that deactivates the VCM. When we first got it you could visibly feel it kick in and continue to vibrate.
Posted on 8/27/25 at 10:30 am to TigerAllNightLong
quote:The government won't let them because they keep squeezing manufacturers on emissions and fuel economy. You had engines that were bulletproof because they were perfected over decades, and now manufacturers are forced to adopt new tech in a way that makes it virtually impossible to have the same reliability as those old engines.
Why can’t they pull the engine specs from the Gen 4 4Runner and just build that. Please?
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