In servicing and repairing the Harmonic Balancer, one needs to remove the battery negative cable. Then, after taking out the Fan Shroud assembly, the Drive Belt, and then the Harmonic Balancer, there's the Harmonic Balancer remover (J 23523-F) that will aid you in removing the Harmonic Balancer. Once removed, wash and inspect all components. For the installation with the help of Harmonic Balancer installer (J 23523-F) install the Harmonic Balancer and also reinstall the Drive Belt and also the Fan Shroud assembly prior to reconnecting the battery negative cable.