Curtis B Williston , VT September 01, 2016 Appliance: Maytag Refrigerator MZD2768GEB Maytag Refrigerator Mzd2768geb: Defective damper actuator assembly. How to replace Refrigerator Condenser Cleaning Brush. Replaced damper actuator assembly. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours