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Old 09-09-2010
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I am: Jim Justice
Join Date: Mar 2010
Location: Cincy, OH
Vehicle: 2005 Ranger Edge
Posts: 6
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Harmonic Balancer?

Does a 2005 Edge 4.0 have a harmonic balancer? I have a vibration that I am trying to pinpoint and the symptoms of a bad balancer seems logical in my case. If not it may be a bad mount? Or seperate pulley problem? This vibration is present at all times but REALLY is evident when i hit 65 mph. I've ruled out tire issues, so its gotta be engine or suspension.
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Old 09-09-2010
I am: Ken Here
Join Date: Mar 2007
Location: Upstate,NY
Vehicle: 2003,Ranger
Posts: 2,598
Total Props: 13
For the most part , all engines have a harmonic balancer on the front of the crankshaft.
If the vibration is generally when you are moving , I suggest removing the driveshaft and checking for a bound up u-joint.
If it is mainly at speed , check the shaft for a missing balance weight. They are usually welded toward one end of the driveshaft on the outside, they have been known to come off.
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Old 10-07-2010
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I am: Dave k
Join Date: Jul 2010
Location: RI
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I think there is a TSB on this i'll look into it.
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Old 10-17-2010
__Arod__'s Avatar
I am: (A)lex (Rod)riguez
Join Date: Apr 2010
Location: Central Florida
Vehicle: 2011 Sport
Drive Type: 2wd
Engine: 4.0
Posts: 286
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if your harmonic balancer has failed, the truck wont start. Atleast this is what happened to me. 500$ later, it worked -.-
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