Unplug the washer from the wall outlet prior to disassembling the washer.
Open the lid of the washer. Remove the dispenser cup at the top of the agitator. To remove, lift the lock ring at the bottom of the dispenser cup, then remove.
Remove the agitator cap by prying it off using a flat-head screwdriver.
Remove the agitator bolt, securing the agitator to the bottom of the washer, from the center of the agitator.
Lift the agitator out of the washer and place it on the ground.
Place both feet on the agitator to support it. Pull the shaft off of the agitator.
Tip the shaft of the agitator upside down and remove the cam.
Insert the cam into the new agitator shaft. Align the slots in the top of the agitator with the tabs in the base and snap the new shaft onto the agitator.
Insert the agitator into the washer and secure using the agitator bolt.
Replace the agitator cap and dispenser cup.
Plug the washer back into the wall outlet.