Margrit B Mazama , WA February 21, 2020 Appliance: KitchenAid 5-Speed Blender KSB5WH4 Kitchenaid Blender Ksb5wh4: Kitchen aid blender drive coupler was boken. How to replace Blender Drive Coupler. With your instruction sheet it was so easy. Not usable before, now it works great. Thank you so much. Margrit Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes