It's also common for a small sock or other article of clothing to get caught in the drain pump or in the drain hose. If the washer won't drain water the drain pump might be defective.
Check the belt and replace if it shows signs of excessive wear. If the washer won't drain the pump belt might have broken or might have worn out.
If your Kenmore 110 Series Washing Machine refuses to spin or agitate during the wash cycle, see the Kenmore 110 Series Washing Machine Doesn’t Spin or Agitate problem page for possible causes and solutions. If your Kenmore 110 Series Washing Machine is not draining after a wash cycle, see the Kenmore 110 Series Washing Machine Won’t Drain problem page for possible causes and solutions.