Step 1: Disconnect the Washing Machine from Power.
Step 2: Take Off the Washing Machine's Top Panel.
Step 3: Unplug the Wires Linked to the Shifter Hub.
Step 4: Extract the Old Shifter Hub.
Step 5: Position the New Shifter Hub.
Step 6: Reinstall the Washing Machine's Top Panel.
Step 7: Apply Lubricant to the New Shifter Hub.
Step 8: Reconnect the Washing Machine to Power.
Well done! The GE WH01x28559 shifter hub has been effectively replaced. Remember, this is a DIY guide, and it is advisable for professional assistance to be sought if any part of the procedure is uncertain.
Please note that these instructions serve as general guidance and should always be used alongside the manufacturer's manual, if available.