Marilyn S Bloomingdale , NJ November 25, 2014 Appliance: KitchenAid Blenders KSB5BU0 Kitchenaid Blender Ksb5bu0: Worn lid gasket. How to replace Jar Lid Seal (Blender). Put in new gasket. Voila!!! no more leaking! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes