Richard F Apopka , FL June 08, 2015 Appliance: KitchenAid 6 Qt. Stand Mixer KP2671-3 Gears worn down in the mixer head PURCHASED AND REPLAED GEARS IN HOUSING HEAD. APPLIED AMPLE NEW GREASE AFTER REMOVAL OF ALL OLD GEAR GREASE. KITCHENAID NOW WORKS GREAT Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Pliers, Screwdrivers