Glad the dealer is finally taking care of you rather than trying to lay blame. It seems to me in your video that the engine is running fairly smoothly, just with a very loud noise? I don't understand how the dealer jumped to the conclusion that it was water damage, in that case.
Contrary to what others have said, in my 11 years as a dealership technician I have seen several cases where only one or two rods were bent due to water intake. The '04-'08 Acura TL is notorious for this, in fact. I would guess due to intake design on those cars, when a small amount of water is taken in, it rushes to the cylinders furthest from the throttle body (1 and 4 on that motor). Furthermore, I've seen rods bent from water intake create "rod knock" type noises, when they are bent so badly that the curved part of the rod contacts the cylinder wall.
However, if a rod were bent enough to make that kind of noise, it would most likely misfire badly. Looking at Subaru's intake manifold design, it also seems less likely to affect just one cylinder. A compression test will easily reveal whether any rods are bent, and it's obvious the dealership failed to perform one. If I suspected a car ran through water and the owner tried to hide it, that's the first thing I would have requested authorization to perform, rather than a complete teardown.
Quote:
Originally Posted by Skurj
dunno if i'd want a new short block...
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Why do you say that? I would rather a new short block than just having a bearing replaced.