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Originally Posted by Tcoat
This ^
I am at a loss to understand how the valve spring replacement would cause a spun bearing anyway. Maybe they didn't fill the oil up all the way after the work? Was it just coincidence that the infamous 2013 spun bearing issue happened after the work? On the bright side it means the engine get's replaced for free instead of out of pocket which is what would have happened if the bearing spun before the work was done.
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I was wondering the same thing. They don't even pull the heads for this. Are they pulling the timing cover? Maybe too much sealant there ending up in the pickup
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Subaru can't help it if outside suppliers provide/use faulty/sub-par metal in the manufacture of the components they use in their engines. Supplier issues happen.
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I remember when I was wrenching on bikes this happened to Yamaha around 06'. I believe their titanium valves were made by Toyota and the heads were snapping off(believe it or not the valves where manufactured as two pieces and then fused). They got a bad rep about Ti valves for years after that even though it was a supplier issue that affected a limited number of bikes.