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!
Great tutorial on how to clean your washing machine with just baking soda and vinegar. Easy, fast way to get rid of the smell and mold on front loading washing machines, but this method should work on top loading washers as well.
Clean your HE washer AND --> "...here’s a little trick I used to get the stinky smell out of the clean clothes without having to re-wash three loads of ”clean” laundry. I took a wash cloth and sprinkled a few drops of tea tree essential oil on it and threw it in the dryer with a load of clothes. Took the smell right out."