Hi there. I had a replacement Samsung delivered 5 days ago - on the 2nd day during a wash I too had the awful unhealthy sound. It's like a drill sound - very loud - and also when not agitating. AO believe it could be a pipe blockage, but it's not, because it doesn't happen all of the time. I think it may be when I use the 'bubble' function. I have asked for a replacement machine.
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