I just replaced the belt on the washer about a week ago and it was working fine again then a friend asked to wash clothes and she put way to many clothes in the washer. And then see came in and said she broke it. After she left I checked by running the washer through with no clothes in it and it was fine. Stared a load of my own and it worked fine then on the second load it quit draining and spinning. Checked the belt its still fine so what else could cause this?