An engine’s vibration damper (or harmonic balancer) is a crucial component, usually at the front of the crankshaft. It absorbs harmful torsional vibrations and noise from the crankshaft’s twisting motion. Consequently, preventing damage, improving longevity, and ensuring smoother operation by converting vibrations into heat. It typically uses an inner hub, an outer inertia ring, and a rubber (elastomeric) or viscous fluid layer between them. So the ring absorbing energy as the crankshaft flexes and vibrates. Without it, these vibrations could lead to catastrophic engine failure, damaging bearings, oil pumps, and timing components.
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