Harmonic Balancer Issues - JeepForum.com

 
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post #1 of 6 Old 08-16-2013, 01:39 PM Thread Starter
A_damnation
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1987 XJ Cherokee 
 
Join Date: Aug 2013
Location: Dayton
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Harmonic Balancer Issues

Okay, so, I have had a squealing since I had a friend helping with my xj (never let a chevy tech touch my mopar again). Anyways, since then, there has been a squeal, I changed out the idler pully, but I still hear it every now and then, but it isn't persistent anymore.

I decided to change my Harmonic balancer finally. The rubber inside has been creeping its way out for some time now, and I decided it was time. My problem now is, the center bolt on the crankshaft seems seized in there. I took the belt off, tried putting it in gear and turning the bolt, but the balancer just spun. So I grabbed it with some vicegrips, which is working out for trying to loosen the bolt, but I would really be hating myself if I broke the head off of the bolt.... Figured I would wait until my xj has cooled down seeing as it is still warm, though it has been sitting for about an hour, almost 2.

Any suggestions would be appreciated, I would like to know a way to keep the motor from turning during removal and install would be great, also about the seized bolt. The jeep is a '87 pioneer xj, 4.0 straight 6

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post #2 of 6 Old 08-16-2013, 07:39 PM
BassMasterCHS
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1993 XJ Cherokee 
 
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You can take the starter out and stick a crow bar on the teeth of the fly wheel to keep the engine from turning.

3 Inch lift, 30" BFG AT's, Walmart lights up front.
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post #3 of 6 Old 08-16-2013, 07:47 PM
AZ Jeff
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2014 JK Wrangler 
 
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Impact wrench......borrow one or go to someone who will break it loose.

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I don't own an XJ any longer, but I still think they are the best of all the Jeep products ever made. My XJ was my favorite vehicle in my 50+ years of driving.
So...I stick around and give advice.
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post #4 of 6 Old 08-16-2013, 11:50 PM Thread Starter
A_damnation
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Join Date: Aug 2013
Location: Dayton
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Thanks, I managed to get the bolt out. I used my ratchet, and a crescent wrench to act as a breaker bar, also used copious amounts of WD-40.

Current problem is the first "specialty" tool I got from Reilly was more of a universal puller, and my harmonic balancer does not have threads in the holes that are around the center. So that one was a no go. The second one I got is a Crystler specific tool, that has three claws. The issue with this one is, as I tighten it, the claws start out grabbing, but as I turn the bolt more and more, one claw pops off. I think it could be from the WD-40 on the balancer itself, but I am unsure and I am getting very frustrated with this.

If anyone knows a way to get the balancer off using other means safely, I would like the input. Cause I'm about to start beating on it with a mallet and punch to knock it off....
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post #5 of 6 Old 08-17-2013, 06:59 AM
cruiser54
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1990 MJ Comanche 
 
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The holes ARE threaded and that's the only way to remove the balancer.

If you own a Renix Jeep, you'll want to check this out.

An index to over 30 write-ups can be found in the link below

www.cruiser54.com

My Jeep Technical Photos

http://www.cherokeeforum.com/g/album/1725214
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post #6 of 6 Old 08-17-2013, 07:09 AM
BassMasterCHS
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1993 XJ Cherokee 
 
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Yeah, that claw puller is a joke. Go back and use the first one. Should be three bolts that fit. Don't forget to remove the washer that sits in the middle. It can be hard to see if it's gunked up. And don't beat on it.. For obvious reasons lol.

3 Inch lift, 30" BFG AT's, Walmart lights up front.
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