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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
how do I change an external harmonic balancer?
You will have to remove the center bolt. Once the bolt is removed, then using a harmonic pulley puller and locking the puller to the three bolt holes and running the center bolt in until the pulley and harmonic pulley...
Question
Knocking noise - 1997 Oldsmobile 98
Hi! I recommend having a close inspection of the harmonic balancer on the front of the crankshaft. When the rubber that's bonded between the pulley and the hub begins to fail and separate, it starts to move around and can...
Question
Can you drive 1993 buick at 65 mph + to from work for 18 months with bad balancer
In regards to the question about driving a car for extended time with a bad harmonic balancer, it's very difficult to answer that question without having more specifics. If the motor is rattling at idle, it could be caused by...
Question
I changed my front mail seal and Harmonic balancer.
The front crank shaft damper is on a key way and it should not matter if the engine moved when loosening or tightening the damper harmonic balancer. The camshaft will move in and out a little bit and this is...
Question
What's causing my car to all the sudden lose power steering and the A/C to stop blowing cold?
Hello there, thank you for asking about your 2005 Buick Century. If the belt would stop and spin intermittently but was still intact then you more than likely have a bad harmonic balancer. The balancer deteriorates and the outer pulley...
Question
I have a bad harmonic balancer causing the serp to lose tension and Ground Control to Major Tom.
You should match to the original one. I looked up the part and the factory only lists one part number. I can only suggest getting the one that matches the one that came off. If you would like a second...
Question
May be harmonic balancer pully.
Hello. I will help you relative to your question about operating a car without a harmonic balancer. Your supposition that damage could or will occur if you operate the car without a harmonic balancer is correct. If, however, you are...
Question
Loud metal screeching noise and vibration from pulley
Hello, thanks for writing in. For this particular vehicle it appears that the pulley and harmonic balancer are integrated into one unit. That means replacing either would be to replace both, as they are one part. If you would like...
Question
Harmonic balancer broke replaced now won't start
There are two main possibilities. Depending on how or why the balancer failed (e.g., did it fail suddenly accompanied by the car engine completely stopping), it is possible the timing belt has slipped or is even broken. It is also...
Question
Are crankshaft pulleys and harmonic balancers the same thing? I have a 1998 Buick Century custom and it is wobbling and making a loud noise.
Hi, thanks for writing in. On your vehicle, the pulley is actually manufactured into the harmonic balancer. If the pulley is wobbling, it would be best to have a certified mechanic, like those available at YourMechanic.com, take a look at...
Question
What does it mean when the harmonic balancer wobbles?
Hi, thanks for writing in. When the harmonic balancer is wobbling, it would be best not to run the engine. The harmonic balancers function is to counteract the vibrations in the engine so damage doesn't occur. When it fails, it...
Question
Replace crank seal and harmonic balancer
What you must of seen is a mechanic using sealer on the outside of the seal so it will seal any leaks between the seal and the front cover. This is okay to do. Before the balancer is installed you...
Question
Crank shaft wobbly
Hi there. On the "front" end of the crankshaft is a harmonic balancer held on by one large bolt that is torqued to 132.8 ft. lbs that is pretty tight. It's not too likely that the bolt is "loose". The...
Question
knock sensor
Hello. To understand what is going on, lets discuss these two components and how they work. Harmonic balancers are essentially vibration dampeners in the engine that counteract the torque caused vibrations coming from the crankshaft. Every time the combustion cycle...
Question
need harmonic balancer mechanic could not get pully off to replace what do I do ?
Hello - YourMechanic may be of use to you. We can send a mobile, professional mechanic to your location to perform the replacement of your Crankshaft Harmonic Balancer Replacement Service at the convenience of your schedule.
Question
Squeaking sound - 1990 Chevrolet K2500
Hi there. It sounds like it could be a harmonic balancer. Before replacing the balancer, check the radiator fan to see if the blades are hitting the shroud or anything else. Also check the fan clutch, if equipped, for...
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 harmonic dampener fell off after serpentine belt replacement
It could be that the condition of the pulley caused your belt failure in the first place. Deciding that depends on where the balancer separated.The balancer itself consists of a center hub with a pulley ring around it and a...
Question
Serpentine belt popped off engine while running
Hello there, many faults will cause the drive belt on your 2007 Dodge Durango to fall off. In many cases the belt comes off from either a seized pulley, or a pulley that is walking. If your harmonic balancer pulley...
Question
Several days after replacing a broken belt on my 2001 Toyota Camry, the outer toothed-ring on the harmonic balancer fell off.
The grooved ring you are speaking of is usually bonded or glued to the rest of the balancer assembly. Once the harmonic balancer shows signs of coming apart, it must be replaced. The ring may have been working it's way...

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