07-21-2022, 02:04 PM | #43 |
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I doubt an oil analysis would have any meaningful indication. A new engine is going to show high on silicon whether it is where it belongs or in the filter. Not like it is getting chopped up into small particles so there really wouldn’t be anything unexpected to catch.
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07-21-2022, 02:25 PM | #44 | |
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Quote:
It's an assembly issue, IMO. Design seems fine.
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07-21-2022, 02:29 PM | #45 |
extra what?
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Devil's in the deets
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07-21-2022, 02:38 PM | #46 |
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Assembly and QC. Though not sure how they could actually inspect it.
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07-21-2022, 02:42 PM | #47 | |
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Sure, still not a design issue though. Whoever calibrated the sealant gun and checked off on it failed at their jobs. Quote:
No good way to inspect it, just use an appropriate quantity of sealant.
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07-21-2022, 03:16 PM | #48 |
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And in the right place.
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07-21-2022, 03:22 PM | #49 |
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Actually, would an oil pressure gauge give you early warnings signs?
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07-21-2022, 03:35 PM | #50 | |
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Quote:
But if it's one big chunk that wasn't a problem and then is, you'll see the needle bottom out and then, rapidly, the engine puke. Borescope up the drain plug could do it. I have one so I'm thinking about doing that next oil change. |
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07-21-2022, 04:05 PM | #51 |
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anyone who has this happen should share their build date and engine serial number
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07-21-2022, 04:34 PM | #52 |
extra what?
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Those are the deets I meant. Please excuse my lazily expressed agreement.
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07-21-2022, 05:08 PM | #53 |
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Are you able to borescope up the Pickup neck? or can it not make a twist at a sharp enough angle?
we all know that RTV degrades with thermal cycling and gets harder with age + thermal cycling (-25C to 70C) so it would make sense that cars that went through the first winter in Japan or US and were driven everyday might see more of this excess RTV fall off in the pan. NVH of a sportscar will help shake it off. Last edited by FrickingReallySlow; 07-21-2022 at 05:19 PM. |
07-21-2022, 07:21 PM | #54 | |
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Quote:
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07-21-2022, 08:22 PM | #55 |
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They have not told me the actual reason yet.
The day that I dropped it off, they did some kind of ECU check and said that the car had been ridden hard, many rev limit instances and also an overrev event at 7900 rpm 2000 miles before the engine failure. The dealer told me that Toyota will fix it this time under warranty, but will not the second time under similar circumstances. Basically telling me that I caused the failure with the overrev. This was all before they even removed the engine from the car. The fact that they ordered a short block and will re-use the heads is pretty telling that the overrev had nothing to do with it. |
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07-21-2022, 08:37 PM | #56 | |
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Quote:
So at this point it is not confirmed yours is sealant related even though it is high (lily top) on the list of probabilities. Just hope that if they find any they are honest about it. Ordering a short block and reusing heads in not a great indicator it wasn't over rev. Could easily do bottom end damage and not touch the heads.
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