Viking Worn Pump Bearings / Motor Noise

Dishwasher makes a high-pitched squealing or whining noise during operation.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Worn Viking circulation pump bearings, Worn drain pump bearings, Cavitation due to low water level, Debris partially obstructing pump

Safety first: Disconnect power before accessing pumps.

Determine noise source: Listen carefully to identify whether the noise occurs during wash, drain, or both.
Check water level: Open the door mid-cycle (after pausing) and verify water level is adequate. If low, address fill issues first.
Inspect pumps: Access the base and run a brief cycle while listening near the circulation and drain pumps (only if safe and dry). Replace the Viking pump that is producing the squeal.

Hard 4/5

Viking Dishwasher Circulation Pump

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