Michael H New York , NY July 26, 2015 Appliance: General Electric General Electric GTWN4450M1WS Ge Washer Gtwn4450m1ws / : Shaft and mode shifter stopped engaging. How to replace Drive Belt. Replaced Shaft and Mode Shifter Assembly. Changed belt while the machine was apart. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours