Kim C Fayetteville , WV December 09, 2023 Appliance: KitchenAid 6 Qt. Stand Mixer KP26M1XMR4 Kitchenaid Mixer Kp26m1xmr4: Worm follower gear was badly worn. How to replace Mixer Transmission Gasket. Disassembled gear box. Cleaned out old grease. Replaced worm follower gear. Reassembled gear box with new grease. Quick delivery on parts (2 days). Inexpensive. Great repair videos. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes