what does a harmonic balancer do
Harmonic Balancer. A harmonic balancer is a device that is connected to an engineâs crankshaft in order to reduce any vibrationâs negative impact on the crankshaft and to dissipate the energy that shaft rotation creates.tep 2 â Remove the affixing bolts and pull the pulley off of the balancer in order to disconnect the harmonic balancerâs pulley that is attached to the balancer componentâs face. Step 3 â Loosen and remove the harmonic balancerâs single retaining bolt and washer from the center of the device.