Remove the 4 screws on the rear access panel/remove panel.
Remove the 17mm bolt at the center of the ROTOR. Pull off ROTOR ASSY.
Remove the *phillips* screw that secures the wire harness to the rear of the tub.
Remove all of the bolts on the STATOR ASSY & carefully lower STATOR.
Unplug HALL EFFECT SENSOR.
Using a screwdriver or needle-nosed pliers---carefully bend the single locking tab of the HALL EFFECT SENSOR. Once pried/bent---the other three tabs will become disconnected.
Install new HALL EFFECT SENSOR. Carefully examine that *all* of the tabs are securely locked onto the STATOR ASSY.
Re-assemble & test washer.
Part link ==> Hall Sensor
Source: LG WM2277HW