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10-19-2007, 07:16 PM
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#1
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Registered User
Join Date: Aug 2006
Location: Mexico
Posts: 15
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Damaged harmonic balancer
I started getting screeching noises at the crankshaft pulley, so I would tighten the belt reducing the noise
Today it failed completely, I heard a clunk and something fell of the fron of the engine, then the steering got hard, I was expecting to have a broken belt... but no! the crankshaft pulley is gone !! I only have the hub left
So ... the pulley was dropped somewhere in the highway 
Luckily this happened only 5 min from home , it took about 30 min to finish the drive home, I was being careful not to overheat the engine
oh well tomorrow I 'll look for the part
there is a pic of the hub on the engine ... no pulley 
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10-19-2007, 11:21 PM
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#2
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Registered User
Join Date: Nov 2004
Location: , CA
Posts: 1,668
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heh I bought one from a guy on here for 50 bucks. It takes about 30mins to do the repair correctly.
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White 96 XJ Sport Jeepforum Minister of Sarcasim 4L HO Command track Dana 30 front Chrysler 8.25 rear CarQuest XD shocks, Federal Signal emergency stuff, MCX 1000 DES-XL, TK-940, Astro Spectra W3 encrypted, Magnaflow 18" body, Medical supplies, MREs, Gatoraid, Shovel, MagLite, body armor, grappling hook, annoying squeeking sound from my door, otherwise stock for now.
White Jeep Club Member #911
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Originally Posted by tx50cj3a
Vatozone.
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Originally Posted by 92 Briarwood
I think "that look" is what they teach the chicks in 6th grade when they show them "that film" behind closed doors.
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10-20-2007, 08:40 AM
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#3
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Registered User
Join Date: Apr 2006
Location: Dallas
Posts: 110
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I noticed my harmonic balancer wobbles alot is this a future problem?
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1988 Cherokee 2Dr, 4WD, 4.0 LTR
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10-20-2007, 09:13 AM
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#4
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Registered User
Join Date: Sep 2005
Location: San Tan Valley Arizona, AZ
Posts: 6,811
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Quote:
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Originally Posted by wbacon
I noticed my harmonic balancer wobbles alot is this a future problem?
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YES. FIX IT NOW. If the balancer separates (like it did for the OP), it can trash your radiator, or your timing chain cover, or other under hood components. Worst of all, you CANNOT drive it very far with this part missing.
The original poster was lucky to get his to a place where he could repair it.
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AZ-Jeff
1992 XJ 2" lift -- RIP
2000 XJ 3" lift -- Australian Ford Big Brakes up front, rock rails, ZJ rear discs (with WORKING parking brake), C4x4 rear bumper/tire carrier, Hella H4 headlights, IPF driving lights, OEM skid plates, OME springs/shocks, JKS LCA's, JKS Sway Bar links.
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10-20-2007, 09:31 AM
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#5
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Registered User
Join Date: Jul 2005
Location: Michigan
Posts: 4,324
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If it wobbles, wouldnt that tear up the belt in no time?
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10-20-2007, 11:05 AM
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#6
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Registered User
Join Date: Apr 2006
Location: Dallas
Posts: 110
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I thought my water pump was sqeeking but it is the belt on the harmonic balancer because of the wobble. Where can I get a good price on Harmonic Balancer?
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1988 Cherokee 2Dr, 4WD, 4.0 LTR
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10-20-2007, 06:53 PM
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#7
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Web Wheeler
Join Date: May 2005
Location: GA
Posts: 5,911
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Quote:
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Originally Posted by wbacon
I noticed my harmonic balancer wobbles alot is this a future problem?
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No, it's a current problem. Rockauto sells new ones for a good price.
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10-22-2007, 02:08 AM
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#8
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Registered User
Join Date: Feb 2005
Location: Holmen, WI USA
Posts: 961
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Or your local auto parts store should have one for a good price.
Here's a couple pics of the one that went bad on my 89, and what it did to the timing chain cover.
New on the left, old on the right
Damage to the cover
Yes, it caused an oil leak, I was able to repair the cover with JB Weld without removing the cover from the engine.
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"The most terrifying words in the English language are: I'm from the government and I'm here to help." - Ronald Reagan
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10-22-2007, 05:46 AM
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#9
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Registered User
Join Date: Apr 2006
Location: Dallas
Posts: 110
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Went to autozone they have them for $56 bucks, o'reilly's $54 bucks. If I remove electric fan and the big fan that should give me the room I need to work? Also gonna do loan a tool at autozone for harmonic balancer puller anything else I need?
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1988 Cherokee 2Dr, 4WD, 4.0 LTR
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10-22-2007, 08:10 AM
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#10
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Web Wheeler
Join Date: May 2005
Location: GA
Posts: 5,911
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Quote:
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Originally Posted by wbacon
If I remove electric fan and the big fan that should give me the room I need to work?
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That really isn't helpful. Almost everything can be done from underneath the vehicle.
Quote:
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Originally Posted by wbacon
Also gonna do loan a tool at autozone for harmonic balancer puller anything else I need?
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Get the AZ installer tool, also. I would replace the timing cover seal while the balancer is off. That only takes a few minutes.
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10-22-2007, 09:11 AM
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#11
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Registered User
Join Date: Apr 2006
Location: Dallas
Posts: 110
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OK will check it out.... 
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1988 Cherokee 2Dr, 4WD, 4.0 LTR
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Damaged harmonic balancer
