LG LDF6810ST Stainless Steel Built-in Dishwasher "causes grinding noise garbage disposal" Questions

...grinding instead of buzzing.  The motor shaft drives the pump and water can easily enter the motor bearing.  This rusts the bearing which causes noise and slows down the motor, making the ...

grinding noise then blinking E1 code 10 minutes later LG Dishwasher Model: LDF6810ST makes a loud grinding noise from the wash motor while running. After about 10 minutes into the cycle the dishwasher

...causes all kinds of nasty noise. In my machine, there is a food grinding blade at the bottom, then above it, a metal grinder plate with holes in it and above that the impeller. I found the grinder ...