How do I fix my Hotpoint washing machine?

I was washing some pillows in my Hotpoint washer. It started to shake bad before I could get to it. I stopped the machine and rearranged the load and started it again. It seemed to be ok. It finished the load, I then started another one of regular wash. It filled with water and washed, but when it came to sping and rinse, it just made a moaning like sound. It seemed to be emptying most of the water but it wasn't emptying all the way. So I then restarted the cycle, it washed but doesn't empty the water. It makes a moan kind of noise, I also smelled an order. I don't have a tool to take the back off. How do I do that? What kind of tool do I need? Is that where I need to check or do I need to look elsewhere? I need to get laundry done for a husband that is terminally ill and bed ridden.