Bruce S Sunspot , NM July 13, 2021 Appliance: Whirlpool Washer WTW4800XQ2 Whirlpool Washer Wtw4800xq2: Washing machine shift actuator. How to replace Washer Shift Actuator. Watched a You Tube video from Ben's appliance and junk, which showed how to enter the diagnostic mode and then how to diagnosis the part for failure. Replaced the shift actuator. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes