John M Denicia , CA November 30, 2018 Appliance: KitchenAid 6 Qt. Stand Mixer Epicurean Bowl Lift KT2651XWW3 Kitchenaid Mixer Kt2651xww3: Worn gears. How to replace Worm Gear. Replaced all of the gears, Also, cleaned out grease with metal filing clean grease. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes