Curtis G Fayette , OH January 10, 2021 Appliance: Whirlpool Washer WTW7800XB0 Whirlpool Washer Wtw7800xb0: Rotor Position Sensor. How to replace Rotor Position Sensor. Followed instruction in video for installing the part. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes