The dishwasher was cleaning OK but the noise was terrible. I viewed some instructional videos on line to pinpoint a problem in the drain pump. I also determined that I have been neglecting periodic inspection & cleaning debris in the wash chamber. After cleaning the interior, I removed the washer, laid it down & removed the pump. Inspection & cleaning revealed no foreign matter so I reinstalled every thing & started it. Still noisy. The pump must be bad. Ordered a new one. So far it was a good decision. The dishwasher is quieter than it's been in 10 years.