What is the primary importance of frequent inspection of the vibration damper for proper engine functioning?
To ensure effective vibration absorption
A vibration damper (harmonic balancer) is fitted at the front of the crankshaft to absorb the torsional vibrations produced by the firing impulses.
Its rubber/elastomer element can deteriorate with age, so frequent inspection confirms it still absorbs vibration effectively and protects the crankshaft from fatigue failure.
It has no role in setting piston clearance, checking emissions or fuel delivery.
Hence, the damper is inspected to ensure effective vibration absorption.
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