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Washer Shifter (top-load): What It Does and Signs It's Failing
Many newer top-loaders have a shifter (shift actuator) under the tub, by the transmission, that switches the drive between agitating and spinning. On Whirlpool-built models it also reports basket speed to the control. You reach it from underneath the washer.
Who should replace it
Handy homeowners can replace it
Related codes
2 error codes on this site point to this part.
How it works
A small motor in the actuator shifts the drive into spin or agitate mode when the control tells it to. The control watches the speed signal it sends back. If the shift or the speed signal goes wrong, the cycle stalls or ends with a code.
Signs it is failing
- Washer won't agitate
- Washer stops when it reaches the spin
- Cycle won't advance or won't start
- Motor or speed code on a top-loader
Top-load motor and basket-speed codes often involve the shifter along with the motor and its control.
Can you replace it yourself?
Unplug the washer, turn off both faucets and take off the fill hoses, then tip the washer onto its back. Remove the guard over the motor, unplug the actuator's connector and take out its few screws. Prop the washer so it can't fall on you, and get a second person to help tip it.
Buying the right part
The actuator varies by model, so look it up with the full model number from the washer's model tag.
Error codes linked to the shifter (top-load)
Last reviewed 2026-10-19.