Washing Your Washer: How to Clean a Front Load Washing Machine
The number one cause of mold and mildew in washing machines (especially front load washing machines) is laundry detergent! You may be either using too much (which is common when using liquid laundry detergents), the wrong type (non HE when you hace an HE machine) , or detergent that is filled with waxes, fillers, and questionable chemicals.