Greetings!
Locate your model number and visit the link below.
[image|764482]
[image|764481]
Enter your model number here: [http://www.repairclinic.com/RepairHelp/How-To-Fix-A-Washing-Machine/47---/Washer-won-t-spin-or-agitate?r=%2fShop-For-Parts%2fa11b6%2fKenmore-Washing-Machine-Parts|Washer Won't Spin or Agitate]
The link will provide you all the causes that could be a problem. Solutions to solve it and Parts to buy and repair.
If you need any further help, Post your model number to this thread and I will gladly help you.