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RRG23RST replied to the thread Disable AFM.N Not how that works. CAA is Congressional legislation and isn't going anywhere. GM gets the 5.3 to ULEV50 with DFM and they sell that...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Lifter bore issue was limited to 2023 units and even then not anywhere near all of them. Purely anecdotal I see most 6.2 issues on...
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RRG23RST replied to the thread Disable AFM.Yes that's been a thing even going back to the 6 speed units a decade ago. It "shouldn't" hurt anything but at the same time I'm not...
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RRG23RST replied to the thread Driving in L9 and DFM.When the customer can’t provide oil change records and the engine clearly wasn’t maintained with the correct oil and mileage. Yes some...
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RRG23RST replied to the thread Driving in L9 and DFM.The actual de-act mechanism of the lifter failing is really rare with the DFM engines outside of the known bad batch. Like really really...
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RRG23RST replied to the thread Driving in L9 and DFM.September 1, 2020 to March 31, 2021. Contact any dealer and provide your VIN and they can tell you if any were replaced. Initially we...
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RRG23RST replied to the thread Anyone have a crooked exhaust - 6.2l?.Nope haven't seen exhaust clamps on anything OE for 20+ years unless you count the headpipe which is just a ball clamp. No adjustment...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Everything we've been told at the dealership level (which ain't much) points to a bearing supplier issue. Assembly QA problems can...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.That engine is a reman unit. I work at a dealer and have seen a few 6.2s disassembled onsite. Never seen an issue with wrist pin clips...
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RRG23RST replied to the thread No reverse on 2022 Yukon.If you don't know anything about it then why speculate? OP, do you have an extended warranty? If not I'd suggest taking it to an...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Other than some superseding component part numbers the engine hasn't changed since it rolled out in the summer/fall of 2018. Lifter p/n...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Lifter replacements slowed down for us quite a lot once the bad batch of 2021 was worked through. I've seen a couple here and there but...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.You cannot out-maintenance defective bearings. That is the problem causing the catastrophic failure. Lifter bore sizing, valve spring...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.You may want to present these findings of yours to the two OEMs I've worked for. It would be news to them as it's counter to every bit...
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RRG23RST replied to the thread NHTSA opens preliminary probe into more than 870,000 GM vehicles.Complete engines and transmissions actually haven’t gone up in price that much for years now. Some adverse with a core charge and some...
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