Ice cubes in bin frozen into big lumps due to water leaking into bin from icemaker. Lining of icemaker cube tray worn and damaged allowing leak.

Pull refrigerator out from wall to shut off water and power. Remove ice bin, pulling front down then out. Remove screw at bottom of icemaker, then pull down to release two clips, Pull out a couple inches to get hand behind icemaker to release wiring harness connector. (squeeze top and bottom to release clips). Remove unit. Remove wiring harness and wire bail from old unit and install on new unit. Reverse steps to install new unit. Make sure ice bin is fully inserted, or unit will not function.