Unplug the washing machine
Move the machine away from the wall if needed
Check if the floor is level
Place a level on top of the washer
Adjust the front leveling feet by turning them clockwise or counterclockwise
Adjust the rear feet if your model has them
Lower or raise each foot until the washer sits level
Make sure all feet are firmly touching the floor
Tighten the locking nuts on the feet if present
Push down on each corner of the washer to check for wobble
Recheck the level from side to side and front to back
Slide the washer back into place carefully
Run a short cycle to confirm the machine is stable