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I'm struggling to make a decision. I purchased a 2018 Lariat with the 3.0 and have owned it for roughly 6 weeks. Out of the 6 weeks I have owned it I have been able to drive it for about 8 days. I like the truck overall but it has let me down both times I went out of the county. Once 350 miles from home and the other 50 miles from home while hauling a trailer. The first issue was the transmission. The dealer said it was a corroded oil coolant line. He stated it was the only corrosion he could find anywhere on the truck. It must have broken on the drive to the cabin and leaked out all of the fluid on the drive. It was slipping gears by the time I parked it. The next issue is a blown motor. I believe the dealer said it was a piston ring but I'm not exactly sure. I do know it took out the whole engine and for is putting in a new engine and turbo. I am frustrated with the truck right now but does it make more sense to keep it or sell it at this point? Also if ford puts in a new engine is the engine a 2021 and have there been updates since the 2018 model year?

Any input is appreciated.
 

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First the transmission, I posted on a thread that folks were seeing that the transmission was not full. (Who wants to check your transmission fluid on a new truck? and it’s hard to check it since you have to gain access underneath the truck) Mine was around 1 quart low. Motor. These motors are pretty solid as long as the right oil is used and that EGR butterfly bolt stays in place. Since you‘ve only had it for 6 weeks you have to take it that the right oil was used. IMO, if you’re getting a new engine and they’re reworking the trans, I’d hang on to it. I had a frustrating round with my 2018 regarding the EGR. Two recalls and a nasty antifreeze leak. Really close to hitting the eject button so I feel your frustration. Right now, my ‘18 is the best truck I’ve every owned and I don’t see myself getting rid of it for a long time. On the other hand, if you’re wanting to get rid of it this seems like a good time to get what you’ve got in it. Good luck on your choice and I’m really sorry to hear that you’re having the ultimate in problems with your 3.0.

Regarding the 2021 vs 2018. There is an issue where the oil filter is not orderable so I’d check that part of it.
 

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Dijit nailed everything. There were very modest changes 2018 to 2021 and these are great engines. I never have heard of a ring issue like you experienced, makes me wonder if your egr recalls were successfully completed as one of those little screws would do the same damage as you described.

I would like to think I would wait for the repairs. You can't find a more reliable engine out there than our little 3.0,
I know that sounds odd in your circumstance. Please keep us informed of your decisions and progress, I certainly understand your frustration.
 
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