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crankshaft harmonic balancer

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Symptoms of a Bad or Failing Crankshaft Harmonic Balancer
Common signs include engine vibration, misaligned timing marks, and a separated harmonic balancer.
How to Buy a Good Quality Crankshaft Harmonic Balancer
It sounds musical, but what it really does is disperse vibrations that travel through the crankshaft to prevent damage to it and other vehicle components. The harmonic balancer, or vibration damper,...
How Long Does a Crankshaft Harmonic Balancer Last?
The crankshaft harmonic balancer is also known as the crank pulley damper. It is connected to the crankshaft on the engine and reduces vibrations that originate from your engine. In addition, it...
How to Replace a Harmonic Balancer
Harmonic balancers fail when the engine is causing excessive vibrations and the timing marks are misaligned.

Related questions

Question
Harmonic balancer bolt removal which way to turn it 2001 Porsche
Hello - removal of the harmonic balancer bolt is counter-clockwise. Be sure to use a flywheel block or pin to prevent counter-clockwise engine rotation, which could cause engine damage. Good luck!
Question
My dodge has a loose part that appears to be a thick circular metal component of the crankshaft pulley assembly.
Quote requested by customer to have the harmonic balancer replaced has been sent to the CS department.
Question
The car through a serpentine belt
If the coolant leak still exists, the recommended service would be a leak diagnostic(https://www.yourmechanic.com/services/coolant-is-leaking-inspection). It is possible that a seized water pump bearing can throw the belt but all other causes, including bearing roughness in additional pulleys, have to be...
Question
How do I find top dead center using the teeth on the harmonic balancer?
Hi there. The following steps are to check for top dead center on your engine. Remove the left valve cover on the engine rotate the crankshaft until the key way is facing up Check the camshaft on the left...
Question
If I remove the crankshaft balancer gear box from the oil pan does it damage the engine? 2006 Mazda 6
Hi - YES, this will damage the engine if you remove this! This balance mechanism is there to counter an imbalance that is present the crankshaft and other rotating components. If you remove this, those components will be out of...
Question
Crankshaft pulley removal
Hello. Some crankshafts use a reverse thread for the pulley, however that does not appear to be the case for your vehicle. You should be able to remove it by loosening the bolt counter clockwise, same as most bolts. Removing...
Question
My harmonic balancer is slipping
The Harmonic balancer has a steel center hub and outer ring that are bonded to a rubber ring that separates them. When the car is very old, the adhesive in the balancer dries up and the outer ring might start...
Question
2005 jeep wrangler harmonic balenciaga replacement
Engine and transmission mounts are replaced on a mobile basis by certified mechanics dispatched by YourMechanic. The service to request is motor/transmission mount replacement. Harmonic balancers are relatively long-lived but there are a lot of variables that affect service life....
Question
How can i confirm the harmonic balancer is broken
There should be no appreciable run-out on the crank pulley and if a physical inspection of the balancer reveals damage, it should be replaced. If you do have a failed balancer, don't operate the engine because the imbalance and/or torsional...
Question
Hello, I have a 2012 jeep compass with engine noise. I inspected it, and it looks to be coming from a pulley. The Crankshaft pulle
There should be no appreciable run-out on the crank pulley and if a physical inspection of the harmonic balancer reveals damage such as a broken, cracked or separated rubber bond, the balancer should be replaced. If you do have a...
Question
Engine is making loud knocking sound. Is it the rod bearings?
Before you condemn the motor for having rod or crankshaft knock you should have the crankshaft harmonic balancer checked for a broken one. If it is bad then it can cause a loud knocking noise. Replace it if it is...
Question
Crankshaft not spinning freely 1997 Ford Ranger
Hi there - this engine is allegedly NOT an interference engine. Translation - if the timing belt breaks, or isn't present, it should not be possible for the valves to contact the pistons, and cause a lack of rotation as...
Question
Welding the harmonic balancer to crank shaft? 1991 Chevrolet S10
Hello - No, welding the harmonic balancer to the crankshaft is not a good idea for at least 2 reasons. Welding the balancer hub to the crankshaft will damage or reverse the benefits of heat-treatment to the crankshaft itself -...
Question
My aftermarket crankshaft pulley is wobbling a little when it idles. Does it just need to be tightened, or replaced?
The harmonic balancer should not wobble at all. The heavy bolt that holds the balancer to the crankshaft snout is quite tight. Presumably the balancer bolt was torqued to the Factory Service Manual value, and so you cannot safely tighten...
Question
The serpentine belt is not lining up.
The pulleys may not be lined up in the same plane. Look at the harmonic balancer and crank pulley in particular. The rubber bond in the balancer may have failed thus causing misalignment of the pulleys relative to the other...
Question
belt broke serpentine
If your car has a substantial amount of mileage, it's not unusual for a serpentine belt to break and to need a new tensioner (the bearing on the tensioner wears out). If the harmonic balancer/crankshaft pulley is out of position...
Question
I was told that my crankshaft pulley is wobbling and i looked up how to replace it myself but would something get messed up? 1996 Honda Civic
Hi there - this task requires a few specialized tools in order to do the job correctly The bolt holding the crankshaft harmonic balancer on requires approximately 300 lb ft of torque to remove, and reinstall. The correct tools (3/4"...
Question
my harmonic ballencer pully has rubber formed all the way around the pully, theres no grooves for the belt.
The Harmonic Balancer consists of an inner hub, a rubber ring, and an outer ring all bonded together with adhesive. Sometimes in very old cars, the adhesive gives up and the pieces separate. I'm going to guess that you have...
Question
2001 Chevy Blazer distributor install.. it is at top dead center and the rotor lines up with the 6 but is not seated all the way.
If you are using the marks on the harmonic balancer to find TDC, occasionally the balancer will have shifted (the rubber bond breaks) causing the timing mark to be some degrees off. Consequently, the crankshaft is not really at TDC...
Question
I need to replace the harmonic balancer on my 94 buick. Is it ok to drive to go pick up the parts?
If the harmonic balancer is known to be defective, the only prudent course is to not operate the engine until the balancer is replaced. There are at least two risks: 1) the balancer could completely separate causing further damage; and...

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