My problem started the other day. It works fine while washing but when it goes to drain it makes a very loud buzzing noise. I have checked the upper and lower bearing rings. PLEASE HELP!! The model number is DU930PWSB0 and it is a whirlpool.
Hi.
If you are mechanically inclined take the pump a part and check for foreign objects.
If the noise is still there-replace the impeller kit.
The impeller kit AP3115180
The other solution is to replace the motor/ pump assembly,
which is much more money, but much less work and better chance of succeeding.
The motor and pump assembly AP5306229
Here are the breakdown diagrams and http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5133311
Thank you. Post the results.
My pleasure.