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Harmonic Balancer

 

Harmonic Balancer
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Harmonic Balancer

Harmonic balancers are designed to prolong the engine life by reducing wear on the main bearings and main journals and preventing crankshaft failure. The harmonic balancer or the vibration damper is a piece of equipment connected to the crankshaft which job is to lessen the harmonic vibration. Each time a cylinder fires, the connecting rod pounds the crankshaft journal as the force turns the crankshaft, causing energy to be dispersed through the engine. The front of the crankshaft takes the brunt of this power, so it often moves before the back of the crankshaft. This results to a twisting motion and after that, when the power is removed from the front, the halfway twisted shaft unwinds and snaps back in the opposite direction. Even if this “unwinding process” is somewhat diminutive, it causes harmonic vibration.

The harmonic balancer is made up of three parts. The inner part is bolted to the crankshaft. The center part is a rubber ring which dampens crankshaft vibrations, and the outer part with the timing marks and pulley cuts for the belts. When the power from the cylinder hits the front of the crankshaft, it tries to twist the heavy part of the damper, but it ends up twisting the rubber or discs that connects the two parts of the damper. The front of the crank can not speed up as much with the damper connected; the force is utilized to twirl the rubber and speed up the damper wheel, keeping the crankshaft operation in control.

When the harmonic balancer fails, the timing marks drift. What causes the harmonic balancer to work inefficiently? Age is the number one factor why your harmonic balancer started to work inefficiently. Another is the deterioration of its parts – the rubber will dry out and crack and will separate from the metal sections, leading to a condition where the outer grooved ring will spin separately from the hub. Once this happens, it will have to be replaced – for obvious reasons.

Nevertheless removing the harmonic balancer requires a special “puller” toll that comes as part of a harmonic balancer set. But if it is not a job you want to do yourself, you can have someone else do it for you; it will cost you a couple of hundred bucks, though. Therefore, it is always a good idea that one inspects the harmonic balancer for signs of deterioration to avoid such things to happen.
Featured Models

Audi Quattro Harmonic Balancer
Audi TT Harmonic Balancer
Bmw M5 Harmonic Balancer
Buick Century Harmonic Balancer
Cadillac DeVille Harmonic Balancer
Cadillac Eldorado Harmonic Balancer
Chevy Blazer Harmonic Balancer
Chevy Camaro Harmonic Balancer
Chevy Impala Harmonic Balancer
Chevy S10 Pickup Harmonic Balancer
Chevy Suburban Harmonic Balancer
Chrysler PT Cruiser Harmonic Balancer
Chrysler Voyager Harmonic Balancer
Dodge Charger Harmonic Balancer
Dodge Ramcharger Harmonic Balancer
Dodge Ram 50 Pickup Harmonic Balancer
Ford Aerostar Harmonic Balancer
Ford Excursion Harmonic Balancer
Ford Expedition Harmonic Balancer
Ford Explorer Harmonic Balancer
Ford F150 Truck Harmonic Balancer
Ford Windstar Harmonic Balancer
Gmc Full Size Pickup Harmonic Balancer
Gmc Safari Harmonic Balancer
Gmc Sierra Pickup Harmonic Balancer
Gmc Van Harmonic Balancer
Gmc Yukon Harmonic Balancer
Isuzu Amigo Harmonic Balancer
Isuzu Pickup Harmonic Balancer
Jeep Comanche Harmonic Balancer
Jeep Grand Cherokee Harmonic Balancer
Jeep Wrangler Harmonic Balancer
Mazda Pickup Harmonic Balancer
Mercedes Benz CLS Class Harmonic Balancer
Mercedes Benz G Class Harmonic Balancer
Mercedes Benz SLK Class Harmonic Balancer
Mitsubishi 3000GT Harmonic Balancer
Mitsubishi Diamante Harmonic Balancer
Mitsubishi Galant Harmonic Balancer
Nissan Murano Harmonic Balancer
Nissan Pathfinder Harmonic Balancer
Nissan Stanza Harmonic Balancer
Pontiac Grand Am Harmonic Balancer
Toyota Corolla Harmonic Balancer
Toyota Cressida Harmonic Balancer
Toyota Paseo Harmonic Balancer
Toyota Pickup Harmonic Balancer
Toyota RAV4 Harmonic Balancer
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Featured Products
Ford F-350 - Harmonic Balancer
"OE REPLACEMENT HARMONIC BALANCER -- Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Harmonic Balancers, Direct Fit Part"
  • Brand: Replacement
Price: $40.38
  • 1985,1986,1987,1988,1989,1990,1991,1992 - 8Cyl 5.8L XLT Lariat
  • 1985,1986,1987,1988,1989,1990,1991,1992,1995,1996,1997 - 8Cyl 5.8L XL
  • 1993,1994,1995,1996,1997 - 8Cyl 5.8L XLT
  • 1995,1996 - 8Cyl 5.8L Special
  • 1997 - 8Cyl 5.8L Lariat
Ford F-250 - Harmonic Balancer
"OE REPLACEMENT HARMONIC BALANCER -- Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Harmonic Balancers, Direct Fit Part"
  • Brand: Replacement
Price: $40.38
  • 1985,1986,1987,1988,1989,1990,1991,1992 - 8Cyl 5.8L XLT Lariat
  • 1985,1986,1987,1988,1989,1990,1991,1992,1995,1996,1997 - 8Cyl 5.8L XL
  • 1993,1994,1995,1996,1997 - 8Cyl 5.8L XLT
  • 1995,1996 - 8Cyl 5.8L Special
  • 1997 - 8Cyl 5.8L Lariat
Ford F-150 - Harmonic Balancer
"OE REPLACEMENT HARMONIC BALANCER -- Quality Construction And Materials Make This Item One Of The Top Selling OE Replacement Harmonic Balancers, Direct Fit Part"