James C Rockford , IL January 16, 2016 Appliance: Model KITCHENAID MIXER PRO 600 KP26MIXER Made a noise and the paddle hesitated took mixer a part but every thing seemed to be ok put in a new thrust bearing and packed gears with new grease mixer is working fine Will wait until my wife uses it. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes