Knowledge Base›Dishwasher›Strange noises
Dishwasher troubleshooting

Dishwasher — Strange noises

For a dishwasher with this symptom, the most relevant component families are Circulation / wash pump, Drain pump, Spray arm, Wash impeller, Diverter motor.

Direct answer

What commonly causes dishwasher strange noises?

For a dishwasher with this symptom, the most relevant component families are Circulation / wash pump, Drain pump, Spray arm, Wash impeller, Diverter motor.

Most relevant

Component families associated with this symptom

These are component types commonly connected with this malfunction. They are not model-specific part-number recommendations.

High relevance1

Circulation / wash pump

Worn pump bearings or debris can create grinding or humming during wash.

High relevance2

Drain pump

Foreign objects or pump damage can create noise during drain.

High relevance3

Spray arm

A spray arm striking dishes or racks creates repetitive tapping.

Additional possibility4

Wash impeller

A damaged impeller can scrape or rattle.

Additional possibility5

Diverter motor

Diverter mechanisms can click or grind when failing.

Find exact-fit parts

Enter your model number

We will use this symptom knowledge to look only for verified-fit parts for your model that match the relevant component functions.

Functions being matched: Circulation / wash pump, Drain pump, Spray arm, Wash impeller, Diverter motor

No AI call is needed. The model is checked against the local fitment/parts layer.
✉Contact Us