Arthur S Lincolnshire , IL January 12, 2024 Appliance: Model KSM150PS, KSM152PS AND KSM155GB The base of the bowl had become distorted from years of wear and would no longer mount securely into the base A new Bowl and Base plate did the job. It now fits securely and is a good as new. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes