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eating hubs...cause?

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Old Jul 28, 2011 | 09:24 PM
  #16  
XJ4life92's Avatar
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From: Levittown P.A.
Year: 1992
Model: Cherokee
Engine: 4.0L H/O
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Originally Posted by PingPong
That is one reason why it is better to support local vendors, instead of the internet.

Also 175 is the torque setting as well. NOt sure of the 3 hub bolts.. but 75 sounds awful high...


what size tire and backspacing are you runnin?
Torque Specifications
13mm Caliper bolts 12 lbs
13mm assembly 12-point bolts 75 lbs
36mm axle nut 175 lbs

http://www.nagca.com/grandtech/dana30wheelbearing.htm

in the haynes it even says 75 lbs...you figure they are the 3 bolts holding the front wheels in place....all the axle-nut does is hold together the bearing w/ the outer shaft.

Originally Posted by adamk
I'm running 31/10.5's on 15x8 Cragars with 3.75" backspacing. I had started to think that because I have such little backspacing that the extra stress from that was killing them. But, I bought the jeep with 70,000 miles on it and ran it until 78,000 when the first hub went out. Oh, and those were the factory original hubs at the time. Now Ive only put 4500 miles on it and they are shot again.
the original equipment is always is the best. always last the longest. even when you get OE replacements, its still not built as good as the original.
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Old Jul 29, 2011 | 04:26 AM
  #17  
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Year: 87
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Engine: 4.0
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I didnt think that torque spec was that high... interesting.. It dont matter to me anymores.. as I have hpd44 under one rig and gm 60 under the other
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Old Jul 29, 2011 | 04:41 AM
  #18  
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From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
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ive benn thru three sets also cheap parts is most likely the cause dont no if theres a heavyduty version bet for 48 bucks i just replace and ride bennet carries 2 in stock for me all the time
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Old Jul 29, 2011 | 04:45 AM
  #19  
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From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
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ive had my xj over 15 years and dont plan on getting rid of it this is the only fix ive found for the problem as soon as the economy gets back on track im getting it http://store.4wheelingplus.com/insta...conversion.pdf
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Old Jul 29, 2011 | 07:06 AM
  #20  
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From: Greensboro
Year: 1992
Model: Cherokee
Engine: 4.0L
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Well I'm going to tear down on Sunday and give it a good look over. Gonna check the u-joints and tre's. I'll then take it to have it aligned. Gonna get by tires balanced as well to see if that helps.
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Old Jul 29, 2011 | 09:54 AM
  #21  
retread's Avatar
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From: Milw.Wi.
Year: 93'
Model: Cherokee
Engine: I6
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Originally Posted by adamk
I'm running 31/10.5's on 15x8 Cragars with 3.75" backspacing. I had started to think that because I have such little backspacing that the extra stress from that was killing them. But, I bought the jeep with 70,000 miles on it and ran it until 78,000 when the first hub went out. Oh, and those were the factory original hubs at the time. Now Ive only put 4500 miles on it and they are shot again.
also what shape are the tires in? shot? thats very likely the reason.
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Old Jul 29, 2011 | 11:03 AM
  #22  
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From: Greensboro
Year: 1992
Model: Cherokee
Engine: 4.0L
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Tires are in good shape. about 60% left on them. The do have some chunking from rocks and whatnot but it's nothing big. I'm going to have them balanced just for extra measure.
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