Maytag Biofilm / Mold Buildup in Tub and Dispenser

Washer has a strong musty or moldy odor, especially in front-load models, clothes may smell bad after washing.

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Possible Causes

Using too much detergent, frequent cold washes, not leaving door open to dry, buildup in door boot and drain trap, clogged drain causing standing water

How to Fix / Troubleshooting

Safety first: Unplug the washer before cleaning internal parts. Use gloves and eye protection when using cleaners.

Step-by-step:

  • Run cleaning cycle: Use the washer's Clean Washer cycle with a washer cleaner tablet or 1 cup of liquid chlorine bleach (if allowed by manual).
  • Clean door boot: Wipe the inside of the door gasket, especially folds, with a cloth and a mixture of hot water and mild detergent or a mildew cleaner. Remove any trapped debris.
  • Clean dispenser: Remove and wash the detergent drawer and housing to remove buildup.
  • Dry the tub: After each use, leave the door and dispenser drawer slightly open to allow air circulation.
  • Check drain path: Ensure the drain pump filter is clean and there is no standing water left in the tub after cycles.
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Repair Difficulty

Very Easy 1/5
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