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Message
re: Second Toyota engine recall delayed because company doesn’t have a fix for problem
Posted on 5/12/26 at 1:36 pm to weagle1999
Posted on 5/12/26 at 1:36 pm to weagle1999
Should have bought a Ford.
0
Posted on 5/12/26 at 2:00 pm to DownshiftAndFloorIt
quote:
is fricking variable displacement oil pumps. fricking piece of shite government regulations driving us to this ridiculous design consideration and it is 99% of the reason that all of a sudden NOBODY can build a damn engine with lifters and cams that hold up. We've had hydraulic lifters for 60 years and all of a sudden nobody can keep frickin cams and lifters from grenading themselves.
We should all be happy that Trump cut the nuts off the 3 letter agencies because this was going to get much worse in 2027. Now it MIGHT start getting better. No manufacturer will admit it, because they don't want to tank their sales between now and '27.
If you own a vehicle with a regular ol oil pump, keep it. If you have one with a variable displacement oil pump, ditch it for one that doesn't have that junky arse garbage arse shite. It gains you about 1% better fuel economy in very specific EPA test driving cycles, and 10000000% more chance of your engine locking up.
I frickING HATE VARIABLE DISPLACEMENT OIL SYSTEMS.
Reciprocating engines thrive on oil flow. A shitload of it. It lubricates of course, but it also is responsible for a lot of heat transfer.
What lexus models have this problem from 22-26?
Posted on 5/12/26 at 2:03 pm to weagle1999
So you're saying I should keep my 2020 Tundra 5.7 with only 32k miles a little longer? Ok, will do.
Posted on 5/12/26 at 2:05 pm to Pezzo
quote:
From what I’ve read and saw on the internet, the gear heads are calling BS on this. It’s not machining debris, it’s a faulty design and use of the wrong oil. A thicker oil can remedy the problem.
They were forced to push engines into production due to CAFE changes that weren’t ready and need to just rollback to pre-2020 powertrains until they figure it out.
Posted on 5/12/26 at 2:10 pm to HubbaBubba
quote:
My background is in technology support and design in defense, aerospace and space systems. I know tons of contacts at most defense agencies, three letter LE agencies, NASA, SpaceX, defense and space contractors. Next year, he has an internship in hand in the corrugated paper industry but is seeking one with Lockheed and/or Bell. I have asked him not to accept anything from Raytheon. You give up your soul to work with that company.
Use your contacts early and often for him, and don't be shy about it. I co-op'd through undergrad, and learned a lot, but it also taught me what I didn't want to do after graduation, perhaps the most important lesson.
For that matter, my CPE (not CS, EE with a specialty in computers) son will be looking for an internship next summer and likes aerospace!
Posted on 5/12/26 at 4:10 pm to Pezzo
quote:
My explanation is from an idiots point of view. I didn’t make the claim but only repeated what I’ve seen from these guys. And what you said lines up with what they said. And what they said is their “theory” as to what “should” remedy the issue. The point of my post is to call BS on the “machining debris” lie. Because that’s what it is. Toyota is trying to cover their asses. They claim the engines that were failing from “machine debris” were all coming from the same shop when that was a lie. It’s a design flaw. They also claim that the tolerances were too tight and that’s also a lie because the tolerances of the 5.7 V8 were much tighter than the 3.5, again im regurgitating what I’ve seen from truck guys who know more than me. And they showed the spec sheets with the tolerances of both engines.
For what it’s worth I have only driven Toyota in my lifetime and it’s extremely disappointing to me that they are still trying to pass the “machining debris” lie off.
You're right on the money. It was a shitty design and bad choice of main bearing material.
Posted on 5/12/26 at 4:12 pm to LSUlefty
quote:
So you're saying I should keep my 2020 Tundra 5.7 with only 32k miles a little longer? Ok, will do.
You're in the best truck made in the last 10 years. The MPG may suck, but it will last you forever.
Posted on 5/12/26 at 4:38 pm to weagle1999
In November I purchased a 2021 GX460 with 55k miles, so happy I did. It’s a tank (figuratively) 4.8 Liter V8. Wife’s car, and she loves it…
Posted on 5/12/26 at 4:53 pm to Pezzo
It both. There is some swarf (machining debris) left in the machining process. This has been the case in most engines produced in history. The reason these fail is because the tolerances needed to push the 35va-fts (3.4) hard enough to make the hp people these days want while meeting govt CAFE standards are so tight that it necessitates 0w-20 oil. In older engines using heavier oil, the bearings rode on a thick enough pad of oil that fine swarf could pass without locking up the bearings. Because these engines use such thin oil, there is very little oil pad for the bearings to ride one, which means any debris can cut into and even lock up the bearings.
Posted on 5/12/26 at 5:37 pm to TheRealTigerHorn
If you can channel him towards SAP and AI engineering, he can make some really good money after about 5 years of learning OTJ and gathering the right certs. $250k - $375k plus bonuses.
Posted on 5/12/26 at 5:55 pm to Chalkywhite84
quote:
What lexus models have this problem from 22-26?
The new LX and GX, I think everything with a build date prior to April 2024. My 2024 LX with a 2/2024 build is included.
For the GXs, it is very few. 2024 was the new model year and less than 10,000 of the new model had rolled off the assembly line before a mysterious several-week production halt. The ones built after that halt weren’t included.
Posted on 5/12/26 at 8:36 pm to Finnish
(no message)
This post was edited on 5/13/26 at 7:12 am
Posted on 5/12/26 at 8:39 pm to BHM
quote:
So they are replacing engines with machining debris left in the engine with new engines with machining debris in the engine. And they don't have a fix?
I am not the brightest person but it seems like the fix is pretty simple.
Supposed debris probably isn’t the real issue here. It probably is an engineering defect in an engine that they are too committed to now that they can’t actually get a real fix for. I would have considered a Tundra but not now. I just wouldn’t have the confidence to hop in and go cross country.
Posted on 5/12/26 at 8:48 pm to Pezzo
We just picked up a ‘24 tundra iforce. Someone at the dealership said it was all from the Alabama Plant.
Posted on 5/12/26 at 9:06 pm to CatfishJohn
quote:
What about 2022 Lexus GX?
No, that’s the 4.6L V8.
ETA: they used to name them by displacement, GX460 = 4.6L, LX570 = 5.7L. That changed with the move from the 150/200 Land Cruiser platform to the 250/300. This recall only applies to GX550 (LC250) and LX600s (LC300).
This post was edited on 5/12/26 at 9:11 pm
Posted on 5/12/26 at 9:31 pm to weagle1999
We have two Toyotas. Both SUVs. Highlanders. Never had a problem with them both have been driven all over the country. Through mountain ranges and deserts. Always felt safe. Never a problem.
Newest one was delivered a year and a half ago. It’s a Platinum. The other one is a year older and it’s a limited.
The dealer has tried multiple times to buy one or both back from us over the past year due to low mileage, I guess.
Both are almost paid off. These will be our last vehicles. Legroom, grandchildren room, luggage, easy to fall asleep on the passenger side. Great cars.
Newest one was delivered a year and a half ago. It’s a Platinum. The other one is a year older and it’s a limited.
The dealer has tried multiple times to buy one or both back from us over the past year due to low mileage, I guess.
Both are almost paid off. These will be our last vehicles. Legroom, grandchildren room, luggage, easy to fall asleep on the passenger side. Great cars.
Posted on 5/12/26 at 9:38 pm to SlowFlowPro
quote:
trustworthy, simple to work on, and drank gas
...2016 Tundra checking in
Posted on 5/12/26 at 9:42 pm to TheRealTigerHorn
quote:
Speaking as an actual retired auto industry powertrain engineer who's forgotten more than these "internet gear heads" collectively know
quote:
retards
You tell em.
-Toyo gang
Posted on 5/12/26 at 9:43 pm to PurpleDragon
quote:
This has been the case in most engines produced in histor
That's why the first few oil changes need to be very short to help flush that stuff out plus the particles from the initial breaking in of the engine.
I don't think it's as much a thin oil thing as much as it is a production problem. There's enough data out there now that shows, with proper OCI's and oil, the thin oils produce wear results that are just as good or better as more conventional viscosities. Saw a tear down of one of these Toyota engines and the main bearing caps are marked for the bearings each should get for proper clearance and the values were pretty wide. Definitely not something you'd expect in any modern OEM engine much less Toyota.
Posted on 5/12/26 at 9:46 pm to weagle1999
The replacement or the 5.7 was trash from the beginning, everyone should have known that. If you bought one, that's on you for being an idiot.
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