Kitchen Large Electric Appliances - Whirlpool Dishwasher Hums While Draining

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davenadler
07-02-09, 04:38 AM
I have a Whirlpool Gold GU940SCGB82 that hums while draining. It does not make any unusual sound while washing. The unit DOES drain, it just makes noise. Can someone help me diagnose the repair? Thanks.

Dave

daddyjohn
07-02-09, 10:18 AM
On your machine, the pump & motor operate both the wash and drain functions [some machines have a separate drain pump & motor]. The humming noise is probably coming from the pump. How loud is it? How well does it drain? Take off the kickplate and listen underneath while the machine is draining to see if you can narrow it down. You might also try taking the top apart and see if the impellors are ok.
davenadler
07-02-09, 11:27 AM
On your machine, the pump & motor operate both the wash and drain functions [some machines have a separate drain pump & motor]. The humming noise is probably coming from the pump. How loud is it? How well does it drain? Take off the kickplate and listen underneath while the machine is draining to see if you can narrow it down. You might also try taking the top apart and see if the impellors are ok.
The sound is not loud, although loud enough to hear and to notice that something is not running correctly. It seems to drain normally. Can I get to the pump by taking the kickplate off, or do I need to remove the motor assembly?

Dave

daddyjohn
07-02-09, 11:53 AM
the pump and motor are one assembly. You have to pull it out to separate them.