Kia Optima trans fails after engine replaced

Hello, I purchased a 2012 Kia Optima LX with 116k miles on it in May 2018. I was aware of the recall SC147 where metal shavings were left in the engine causing engine failure, but the Carfax indicated that this VIN was not one of the vehicles affected. The service dept rep also confirmed that. However, 3 months (and 2k miles) after purchasing it the engine did fail. Kia replaced the engine at no cost. Now, 3 weeks after I received the car back, the transmission failed. Could this be caused by a procedural error in replacing the engine, or perhaps coupling a new engine with a trans with 118k miles? It seems too coincidental, that right after the engine failed, I mentioned it to a friend and he knew someone who also had a Kia with an engine failure where shortly after the engine was replaced, his transmission also went. Thank you.
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Answers
Besides, at 116K miles, it is possible for a transmission to fail---some cars have rather notoriously short-lived trnasmissions.
Sometimes we get situations in cars where it's about correlation, not causation. One thing happens, then another, but they aren't connected.
So what are you going to do about this? Was the cause of the failure determined exactly?
You gotta make a huge deal about this. Cannot be a coincidence!
BTW, the root cause of the engine failures was not metal shavings. That was a BS cover story started by hyundai and continued by kia. The Theta II engine has serious problems.
I am original owner of a 2011 Sonata with only 45k miles.
But sure, no harm in opening a case, especially if you lost all your trans fluid in the engine swap process.
engine warranty on 2011-14 kia optima was extended to 15 years and unlimited miles; hyundai only extended mine to 120k miles (still 10 years). lost me for good
One reason I'm not connecting the transmission failure to the engine install is that there were no complaints of abnormality for 3 weeks.
Do you think they would drain the transmission during an engine R&R?
So the "reward" for actually sabotaging a repair are;
A lost customer to the competition.
A customer that doesn't trust them, even if they do help him out.
A need to possibly absorb another poorly compensated warranty repair.
Maybe have to repair the transmission for free with no help from the manufacturer. That can be taken more than juyst one way.
Sometimes things just happen, cars break when ever they darn well want to. It's not like KIA doesn't see a fair percentage of transmission failures especially when owners fail to service them correctly. Remember he is not the original owner.