Prepare Your Workspace: Ensure the power to the dishwasher is off. Locate the drain hose running from the dishwasher to the sink a... Appliance Parts Pros How to Unclog a Dishwasher Drain in 5 Steps - Whirlpool * Empty the dishwasher and disconnect from power. Make sure your dishwasher is empty and has been disconnected from power before y... Whirlpool ® Appliances How to unclog a dishwasher: a step-by-step guide - RACV Mar 5, 2026 —