Bill for Model Number SHU9915UC-U11 When dishwasher starts, a high pitched nose starts then stops some times after 5 minutes and then at different times thru the cycles. I think it might be the circulation pump.
Answer Hello Bill. Make sure there is not any debris in the chopper in the dishwasher. If not, and the noise is coming from the circulation pump, you will need to replace the pump assembly 00239144. Hope this helps. Read More... Answered by AppliancePartsPros.com | Tuesday, March 20, 2012