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gregb82 02-25-2013 06:22 PM

Harmonic Balancer
I have a wobbly crank pulley and I am wondering how ofter the harmonic balancer should be replaced? I have about 125000miles on my 2004 Santa Fe 2.7 V6 and I have heard this is an issue around 100000. Also wondering how much it would cost to replace?

gregb82 02-25-2013 07:54 PM

Can this throw me a CEL code?

sbr711 02-25-2013 08:34 PM

We generally replace them when the customer show up with some issue related to loss of accessory drive belt power or noise..

Had fella show up via tow in for timing belt a bit over 60,000 mile, the outer ring off the center hub and sitting on frame rail..

I dont recall price of part right off, but typically on the self at Hundai and Kia dealers

125,000, about due for the 120,000 timing belt interval aren't you ?

Crank pulley make MIL illuminate.. no

gregb82 02-25-2013 08:49 PM

I was told the bolt was loose but it ran fine for about 2days. Now it started making a knocking sound and is idling a little rough. I replaced the timing belt at 98,000. I thought it was suppose to be replaced between 80k and 100k. Could the balancer cause the engine to misfire causing the CEL to come on? Also, could this throw off the timing?

cubawashere 02-25-2013 09:52 PM

IMO you should replace the harmonic balancer and while there pull off timing cover. I have seen many balancers cut through the cover and leave plastic pieces to fall in timing belt area.... few were so dug into and cut up that the pieces of plastic caused the timing belt to jump and kill motors. If you do encounter the plastic cover cut up and pieces within timing area, REPLACE ALL TIMING BELT & WATER PUMP COMPONENTS! Better to spend 5-800 rather than a whole motor...

revmup 02-27-2013 11:20 PM

Harmonic Balancer
I had my damper come apart at about 66K. The sad thing was, I had the timing belt replaced at a dealer, and they installed the faulty damper, and said nothing. A short time later, I noticed grinding marks in the front cover. Inspecting underneath revealed the belt was holding the damper from coming outward, and the timing cover was holding the damper from going inward. I was upset to say the least. I called another dealer, and they said the famous words "bring it in and we will look at it" I just love that. The damper was not a "chronic" problem, but it was on national backorder. In all the years I have been driving, well over 50, I have NEVER had a damper come apart. Now at 99K I am going to install another with my timing belt change. I guess this is considered "normal maintainance" in todays world.

cubawashere 02-27-2013 11:36 PM

wow! that blows!! at ONLY 60K??.... now I knew that these were common issues but not THAT common.... sorry to hear Revmup.... and it could have EASILY destroyed the motor....SMH

revmup 02-27-2013 11:53 PM

Harmonic Balancer
I guess I just am not used to these things like the balancer for example, being a problem. Dampers used to last well beyond the life of the car, and were almost never replaced except when damaged in a collision. It's a different world out there today, now we are more interested in how many cupholders, Bluetooth capability, OnStar, digitally tuned sound systems and other failure prone crap that can be added to an otherwise piece of junk to make it more saleable. Give me back the old V-8 sound, dual pipes making shotgun like sounds out the back, we didn't need a radio in those days, the exhaust was music to the ears. God I so miss those days!

gregb82 02-28-2013 07:36 AM

The balancer was going bad and I had it replaced. But the bigger issue that was causing the issue for me turned of to be a bad crankshaft sprocket. So now, essentially have to have the timing belt redone. Hopefully thats the only issue

Verminator 03-30-2013 01:11 AM

Is a Harmonic Balancer and a Pully Damper the same thing??

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