Jamie L San Francisco , CA January 12, 2019 Appliance: KitchenAid Dishwasher KDTM354DSS4 Kitchenaid Dishwasher Kdtm354dss4: Arm spray getting clogged. How to replace Spray Arm. Replaced the spray arm. Very easy fix. No need to call repair professional. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes