[header] How to get rid of mold smell in front loader washing machine [title] Clean the gasket. [step] This is the rubber strip on the door and inside that provides a tight seal when the door shuts. [substeps] Use a rag or towel to wipe the gasket down. 
You can use hot soapy water or a small spray of mildew cleaner. If you use mildew cleaner, be careful with these chemicals as they can irritate skin.