It's time to clean your washing machine! Even if it's not visibly dirty and grungy, this will help clean soap scum and mineral deposits in the pipes and hoses. You just need vinegar, bleach, and two wash cycles!
How To Clean A Top Loading Washing Machine With Vinegar And Bleach! || Practically Functional
DIY: ALL-PURPOSE CLEANER ~spray bottle ~1 c. white vinegar ~2 T. Dr. Bronner's unscented castile soap ~4-6 drops essential oil (grapefruit and lavender are two of my favorites) ~Fill the rest of the spray bottle with warm water.