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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 7:27 am to Pezzo
Posted on 5/12/26 at 7:27 am to Pezzo
quote:
Back to top Posted on 5/11/26 at 8:23 pm to TheRealTigerHorn 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
Everyone that has any machining knowledge knew this explanation was BS. Blocks are washed and scope by QC/QA before they get moved to the line. This is an engineering issue like the GM 6.2, Ford 6.0.
Toyota will eventually re engineer the 3.6 and it will work.
0
Posted on 5/12/26 at 7:51 am to TheRealTigerHorn
quote:My son is in an engineering program at UT. Starts his junior year this summer instead of taking a break, trying to stay ahead of the curve. His interest is in automotive engineering and more specifically, aerodynamic engineering.
Speaking as an actual retired auto industry powertrain engineer
He's already had several offers for internships, but opted to continue school rather that intern over the summer. He'll wait until next summer. Any recommendations on how to initially break into the automotive industry as an engineer?
Posted on 5/12/26 at 8:07 am 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.
There are some thoughts that the oil pressure gets far too low at idle and can't supply enough oil to the main bearings when accelerating from a stop, which is why the failures are happening in the non hybrids.
Allegedly they fixed an issue in Q2 of 2024. Rumor is a newer design of the 3.5 is coming with the 2027 line.
Posted on 5/12/26 at 8:17 am to Cuz413
It 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.
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.
Posted on 5/12/26 at 8:17 am to Cuz413
quote:
Rumor is a newer design of the 3.5 is coming with the 2027 line.
for toyota's sake i hope thats true, but ultimately that makes the 2022-2026 model years completely worthless. i imagine every one who still owes on one will be under water the second they announce a redesign.
Posted on 5/12/26 at 8:27 am to TDsngumbo
quote:
I just bought a 2021 Tundra a month and a half ago, and it took me forever to find one with decent mileage at a decently fair price because people were scooping them up left and right.
This. they are few and far between. When replacing my 2014 tundra with over 200k miles back in nov 24, I was looking for a 21 tundra or older with decent miles. Took me about 5-6 weeks, finally found a 2019 with 39k miles, and bought it on the spot. I was about to head to natchez to look at another tundra with a v8. There were no other ones around that i could find.
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