To see or use a washing machine in your dream, suggests that you need to resolve past issues and old problems in order to make a clean start for yourself.
The washing machine - cares, efforts.
Repairing, releasing, cleaning up, or reaching closure in some area of your life in order to feel finished or complete in order to have a fresh start
Repairing a relationship or other situation, or making amends for negative actions you've taken in the past