Robert H Easton , PA April 20, 2015 Appliance: Maytag Microwave Hood Combo MMV4203DW00 Maytag Microwave Mmv4203dw00: Top of turntable coupler broke off. How to replace Microwave Turntable Coupler. Pulled other half of coupler off of motor shaft with nose pliers. Put new coupler in place....very simple. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes