When mention is made of a “harmonic balancer” some may think it has to do more with the metaphysical properties of healing crystals than a car engine.
The fact is, however, that a harmonic balancer is a circular device composed of rubber and metal that is bolted at the front end of the crankshaft, where is absorbs vibrations. Without it, the tremendous forces exerted by combustion at each cylinder, which cause the crankshaft to turn, can produce enough vibration to cause crankshaft failure.
The harmonic balancer, also referred to as a “dampener,” absorbs these potentially harmful vibrations and keeps them at a safe level. Because the rubber ring in harmonic balancers can deteriorate, regular checks are recommended. If your harmonic balancer is going bad replacing one is excellent preventative maintenance.
TIP: One of the earliest indications that a harmonic balancer may be failing is engine vibration.
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