LG LDF6810ST Stainless Steel Built-in Dishwasher "causes high pitched whistle" Questions

...a small stainless steel impeller that they had to replace to stop the high pitch noise. I think this impeller grinds up any food particles. The tech said if one of the veins bend it causes this

...high pitched?) noise while running. Doesn't drain all the way Leaks out front corner (see doesn't drain all the way) Occasionally during a cycle it will start thumping - it sounds like it is bumping ...

LG dishwasher is whistling a high pitch tune during washing It is difficult to be specific without knowing the model number of your LG dishwasher. On newer LG models, the most common cause of noises ...