The pump started making a vibration/noise a few days ago when draining. Removed pump, all is clean inside but the impeller does not turn smoothly (jerky) and the housing around the impeller shaft is filled with rancid water. New motor?
The jerking motion of the impeller is normal as it is magnetic drive. You will want to check the impeller to make sure that it is not loose inside the pump. There is always water in the pump. The vibration could very well be the drain pump shaft being wobbly.
Answered by AppliancePartsPros.com | Monday, July 08, 2013