Mark G Aurora , CO August 16, 2014 Appliance: Model GE JVM1631WB007 The turntable coupler had broken (plate inside my microwave was not turning) After receiving the replacement part installing it was easy. Smply line up the keyed shaft of the turntable motor (by feel because you can't see it) then snap the coupler down into place. 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes