How to Clean a Top-Load Washing Machine — Toronto Home Guide

Top-load washing machines accumulate detergent residue, fabric softener build-up, and mildew — especially in the drum, around the agitator, and under the lid rim. Monthly cleaning keeps the machine smelling fresh and running efficiently.

Monthly Clean Cycle

1. Set the washer to the hottest water setting and the largest load size
2. Add 500ml (2 cups) of white vinegar directly to the drum
3. Start the cycle and let it agitate for a few minutes, then pause it
4. Let the vinegar solution soak for 30 minutes to 1 hour — this loosens mineral deposits and detergent build-up from the drum walls
5. Resume and complete the cycle
6. Run a second cycle with ½ cup of baking soda added to the drum — this deodorizes and removes any residual vinegar smell

Cleaning the Agitator

The central agitator on traditional top-loaders accumulates detergent and fabric softener residue:

1. Use an old toothbrush or small brush with a paste of baking soda and water
2. Scrub around the base of the agitator and the fins
3. Rinse by running the cleaning cycle above, or wipe clean with a damp cloth

Lid and Rim

1. Wipe the inside of the lid and the rim of the drum with a cloth dampened in white vinegar
2. Use a toothbrush to clean any crevices under the rim where detergent and mildew accumulate — this area is frequently missed
3. Wipe dry

Dispenser Drawers (If Applicable)

1. Remove the fabric softener dispenser cup from the agitator if present
2. Soak in warm soapy water for 10 minutes, scrub, and rinse
3. Wipe the dispenser cavity with a vinegar-dampened cloth

Preventing Build-Up

• Use the correct amount of detergent — excess detergent doesn't rinse fully and builds up in the drum over time
• Use HE (high-efficiency) detergent if recommended for your machine — regular detergent over-suds in HE machines
• Leave the lid open between washes to allow moisture to evaporate and prevent mildew growth