Walter H Greensboro , NC December 05, 2016 Appliance: Whirlpool 4 1/2 Qt. Stand Mixer Classic - Tilt K45SSWH-0 Whirlpool Mixer K45sswh-0: Grease seperated. How to replace Grease. Took the Kitchen Aid mixer apart, cleaned the old grease out, added new grease and reassembled. Took about 1 hour but saved $300.00 buying a new mixer. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes