Having Trouble Pulling Harmonic Balancer - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
 
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#1 Old 02-18-2011, 07:46 PM
lancew
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Having Trouble Pulling Harmonic Balancer

Is the crank pulley / harmonic balancer one connected unit on a 2002 5.2L 318 B3500 van? I can't find a puller large enough to fit around/past the pulley. I didn't know if it was safe to pull on the pulley, so I've been trying to get a puller to reach back to the balancer, and I can't find one.

What's up? Can I seperate the pulley from the balancer or not? Is it safe to pull on the pulley on this unit? Someone told me that the pulley unbolts from the balancer but it looks like one unit to me.

Any help is much appreciated.

Lance
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#2 Old 02-19-2011, 02:37 AM
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Clean the crud out of the front of the pulley and you'll find a large center bolt surrounded by 4-6 smaller bolts. Remove the large center and 4-6 smaller bolts and the pulley will come off. Then use a puller that has bolts which thread into 2-3 out of 4-6 of those pulley bolt holes. Do not, I repeat...DO NOT...use a puller that grabs the edge of the harmonic balancer, you will destroy it.

The balancer is basically 2 metal disks with a layer of rubber glued between them. Pulling on the edge of the balancer can rip the rubber. Here is an image of the balancer with the puller attached. Note the rubber ring in the balancer I just mentioned.
http://www.moparmusclemagazine.com/t.../photo_03.html

Last edited by alloro; 02-19-2011 at 03:41 PM.
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#3 Old 02-19-2011, 04:53 AM
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#4 Old 02-22-2011, 01:37 PM
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Alloro,

There were no bolts on the unit other than the large crank bolt.

Ended up being a one-piece pulley-balancer unit, which I hadn't dealt with before. I ended up borrowing a special puller that fit inside of the pulley spokes and pulled on the pack of the pulley closer to the shaft. The pulley fingers sat on three small flat spots on the back of the pulley. Now that I know what I need, I could modify one of my pullers to accomplish this task. The tough part was not knowing exactly what I needed as I didn't know how the back of the pulley was shaped until I got it off.

Thanks for the reply anyway. I appreciate the effort.

LanceW
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#5 Old 02-22-2011, 08:54 PM
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Kind of like this?

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#6 Old 02-23-2011, 11:07 AM
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alloro -

I had a few of the pullers like the one you linked to but their arms were all too beg to fit inside of the holes between the pulley spokes. The pulley that was used was considerably different in size and shape but was indeed a three-finger puller with a shaft in the middle. It came with some small magnetic wedges which you pushed in on each finger. The wedges kept the fingers wedged in towards the the shaft center and prevented them from slipping off the back of the pulley. It worked very well but was expensive at about $180 (I borrowed it). Up until now, I haven't needed anything other than a conventional puller like the one you linked to, and a two-bolt dampener puller.

Lance
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#7 Old 02-24-2011, 08:12 AM
stev
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Lance,

Do you think that the pulley was OEM or someone else slapped something onto that engine?

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#8 Old 02-24-2011, 12:57 PM
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Stev -

Pulley looked OEM to me, plus I Googled one-piece Chrysler pulley/dampeners and found the exact unit. We are the second owners of the van so who knows what was replaced previously... I don't have any reason to believe that it isn't OEM though.

Lance
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