How to Clean Dishwasher

Learn how to clean dishwasher interiors, remove odor, and eliminate grease buildup with this simple step-by-step maintenance guide.

Updated Mar 15, 2026

Introduction

A dishwasher cleans your dishes every day, but it also needs regular maintenance to stay efficient. Food particles, grease, soap residue, and mineral deposits can accumulate over time. Learning how to clean dishwasher properly helps prevent odors, improves washing performance, and extends the life of the appliance. Many homeowners overlook this task, but understanding how to clean dishwasher regularly can keep dishes spotless and prevent unpleasant smells. This guide explains how to clean dishwasher interiors, filters, and spray arms using simple household supplies. By following the steps for how to clean dishwasher below, you can keep your appliance fresh, hygienic, and working efficiently.

What You'll Need

  • White vinegar
  • Baking soda
  • Dish soap
  • Soft sponge or cloth
  • Old toothbrush or small brush
  • Microfiber towel

Step-by-Step Guide

  1. Step 1

    Empty the dishwasher completely

    The first step in how to clean dishwasher is removing all dishes, racks, and utensils. This allows you to inspect the interior and locate areas where grease, debris, and food particles have collected. Emptying the machine ensures the cleaning process of how to clean dishwasher is thorough.

  2. Step 2

    Clean the dishwasher filter

    Most dishwashers have a removable filter at the bottom. When learning how to clean dishwasher filters, twist the filter out and rinse it under warm water. Use a soft brush and mild dish soap to remove trapped food and grease. Cleaning the filter is a critical part of how to clean dishwasher effectively.

  3. Step 3

    Wipe the interior walls and door

    Next in how to clean dishwasher is wiping down the interior surfaces. Use a damp sponge with mild soap to clean the walls, racks, and door edges. Pay special attention to rubber seals and corners where grime builds up during everyday use of the dishwasher.

  4. Step 4

    Clean the spray arms

    Spray arms distribute water during the washing cycle. When practicing how to clean dishwasher spray arms, remove them if possible and rinse under warm water. Use a toothpick or brush to clear clogged holes so water can spray properly.

  5. Step 5

    Run a vinegar cleaning cycle

    Place a dishwasher-safe bowl filled with white vinegar on the top rack. Run a hot water cycle to dissolve grease, mineral deposits, and odor. This step is one of the most effective methods when learning how to clean dishwasher interiors naturally.

  6. Step 6

    Use baking soda for deodorizing

    After the vinegar cycle, sprinkle baking soda across the bottom of the dishwasher and run a short hot cycle. This final step in how to clean dishwasher removes lingering odors and leaves the appliance smelling fresh.

Tips

  • Clean the filter every few weeks to maintain dishwasher performance.
  • Leave the dishwasher door slightly open after cycles to reduce moisture and odor.
  • Run a vinegar cleaning cycle monthly to maintain a clean dishwasher interior.
  • Wipe the door seal regularly because food debris often collects there.

Common Mistakes

  • Ignoring the filter when trying to clean dishwasher interiors.
  • Using harsh bleach cleaners that may damage dishwasher parts.
  • Overloading the dishwasher which causes more residue buildup.
  • Skipping routine maintenance when learning how to clean dishwasher.

Extra Notes

Running a monthly vinegar cycle is one of the easiest ways to keep your dishwasher clean and odor-free.

FAQs

How often should I clean dishwasher?

You should follow the process of how to clean dishwasher about once a month to remove grease, food debris, and mineral deposits.

Can vinegar damage a dishwasher?

White vinegar is safe when used occasionally during how to clean dishwasher cycles. It helps dissolve grease and remove odors.

Why does my dishwasher smell bad?

Odors usually come from trapped food particles in the filter or spray arms. Regularly following how to clean dishwasher steps prevents these smells.

Is baking soda necessary when cleaning dishwasher?

Baking soda is optional but helpful when learning how to clean dishwasher because it neutralizes odors and helps remove stains.

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