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How to change a harmonic balance - 1999 Buick Century

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Hello....Well first of all...most of the time...To do this job...you will need special tools...There is a center bolt that connects the balancer to the crank shaft...It's driven in really tight so most likely..a pneumatic wrench or a good breaker bar will need to be used to remove it...once you remove the center bolt...there is a tool called a puller that is used to walk the balancer off the crank shaft...You can either rent or buy this tool...in some cases a gear puller will work...or a tool called a harmonic balancer puller can be used..it has either 2 or 3 hooks to clamp onto the harmonic balancer and a bolt in the center that you tighten with a wrench..as you do,,,the balancer slowly inches forward until it is off the crankshaft...now to get the new balancer on..there is a tool called a Press which is a bolt that is specially designed to do the opposite of the puller...you place the new balancer on the crankshaft..install the press as you would the center bolt...and tighten it with a wrench and it will slowly walk the balancer onto the crank shaft...Then you remove the press and install the center bolt..preferrably with a torque wrench...Now...after reading all this...are you sure you want to do this yourself....an honest mecanic will most likely do this job for $150 bucks....Parts and labor....If you do this yourself..let me know how it goes....I hope this was helpful....PEACE...

Posted on Feb 08, 2012

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I have a 2006 chevy trailblazer i change all the mounts inclunding the idol tentionor and its still vibrates and make niose when am in drive or reverse in park and neutal its fine but just when am in


If the harmonic balancer wobbles when the engine is running, it could cause a vibration. A typical balancer has a rubber seal between the balancer and the belt drive pulley. The rubber seal may have deteriorated.

Dec 27, 2014 | 2006 Chevrolet Trailblazer

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I have an 2006 dodge stratus.im changeing the front crank seal.do I have to pull the engine out to remove the harmonic balancer?


You should be able to get to the harmonic balancer while it's in the car. Remove right tire( use jack stands to hold the car up- not a jack). remove the inner splash guide and the balancer will be exposed. Using 3 jaw puller to remove harmonic balancer

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Harmonic balancer remove replace


i dont think is your harmonic balancer that dont make any sound check all the pulleys cose to change the harmonic ba... you havto remove and change your crank pulley along with it

Jan 29, 2014 | Plymouth Cars & Trucks

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The Serpentine belt keeps walking off the Crank shaft pulley by one rib as if the pulley moved away from the engine.. Is this where the harmonic balancer is. If so, is it difficult to change?


Before you change anything,,check and see if everything is in line..Also feel all the pulleys and make sure everything turns ok...If the powersteering pump has been replaced,,sometimes the pulley was not pressed on far enough..If it seem to be the harmonic balancer make sure its not damage and the bolt in the middle is tight...If you remove it..You remove middle bolt,,then you have to use a puller to remove the harmonic balancer itself..unusuall for the harmonic balancer to be bad unless it was hit by something

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I need the location of the harmonic balancer on my 2.2l Ecotec engine. Car is 2004 Chevrolet Cavalier LS.


CRANKSHAFT PULLEY IS THE HARMONIC BALANCER.YOU NEED THESE TOOLS TO REMOVE HARMONIC BALANCER, YOU NEED HARMONIC BALANCER REMOVER AND INSTALLER TOOL.YOU NEED A LARGE PIN SPANNER WRENCH TO HOLD HARMONIC BALANCER IN PLACE WHILE LOOSEN THE HARMONIC BALANCER BOLT.

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I changed the harmonic balancer and now it is terribly out of time. Didn't touch any timing belts, distributor or the like. Any advice?


There may be a magnet on the harmonic balancer for the crankshaft sensor,

The cam and crank sensor call for spark to the plugs..

Some cars you need a Harmonic Balancer Installer Adapter,
to make sure everything is lined up and gaped..

Check the crankshaft sensor for damage from inproper install, also check the wires going to sensor,, some times the harmonic balancer are such a Pain!! to come off the sensor or wires get damage in the battle.






Nov 30, 2009 | 1995 Geo Prizm

1 Answer

I need a how to to change harmonic balancer for 1995 nissan maxima. step by step


First remove right front tire and support vehicle with a jack stand. Remove splash guard lower portion near the harmonic balancer. Remove all drive belts. First remove the A/C alternator belt. Loosen the 14mm bolt at the front of the belt tenioner and then loosen the tensioner bolt (it is the one that stands out, you use a socket on it.). The power steering adjuster bolt with be gained from the bottom. It has a 12mm bolt head on it. You will break the jamb bolt loose first and then loosen the adjusting bolt. Pull down on the belt the help move it after you've loosened it some.Then remove harmonic balancer bolt (19mm).If the harmonic balancer will not slide off the crankshaft then use a two finger gear puller. Place the harmonic balancer bolt back in the crankshaft but do not tighten it. Leave it about a half inch from being all the way in. Next place the puller onto the harmonic balancer (one finger on each side securely press into the belt groove. The center puller bolt will rest against the harmonic balancer bolt head. Tighten the puller bolt and make sure the harmonice balancer bolt does not turn. The balancer should come off at this point.

Aug 26, 2009 | Nissan Maxima Cars & Trucks

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Harmonic Balancer needs replaced. How long can I wait until I have to get this done?


its bad the harmonic balancer , balances the crankshaft in relation its a dapener as well as it rotates the timing ..change it soon...

May 07, 2009 | 1999 Pontiac Grand Am GT

1 Answer

Harmonic balancer


I would recommend to go to auto zone and get a printed out diagram and also get the price of the harmonic balancer you will need a puller to get the old one off

Dec 30, 2008 | 1990 Ford F350

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