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02-27-07, 03:40 PM
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#1 (permalink)
| | Site Addict
Join Date: Oct 2006 Location: Pennsyltucky
Posts: 1,225
| Question about Knuckle Surfaces
We have the left end of the axle apart and a quick question on the condition of the knuckle--it's a little rough and slightly pitted--does it matter? Please take a look at the pics!
BTW--something from La Brea Tar Pits came out of the diff. Yuck.
And the slop in the knuckle was pretty disgusting.
First pic is the front of the knuckle. Second pic is the back.
Thanks!
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1995 FZJ80 -- Factory Locked, 2.5+" OME w/ 850s and 863s, CC Plates, BFG AT LT 285/75R16, Extra stuff bolted on, replaced, inserted, thrown inside and put on top.
"A world without open country would be an infinite prison." -Edward Abbey
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02-27-07, 03:52 PM
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#2 (permalink)
| | Forum Regular
Join Date: Feb 2007 Location: wilsonville or
Posts: 153
| cool but not good | |
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02-27-07, 04:03 PM
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#3 (permalink)
| | Site Addict
Join Date: Jun 2006 Location: Omaha, NE
Posts: 1,986
| I suppose, in theory, over time, those scratches could mess with the wipers. It isn't exacty a high velocity motion on them though. How fast can you turn the wheel? If you can feel any burs or divots, that might be something to be concerned about.
IMHO YMMV
I should put that in my sig line.
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FZJ80 1
1996 MoonGrey FZJ80 140K - Lotsa toys/extras/mods/maint.
FZJ80 2
1996 Red FZJ80 140K- Fac lock. 861/862 OME.
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02-27-07, 04:11 PM
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#4 (permalink)
| | Forum Lifer
Join Date: Dec 2003 Location: Knoxville
Posts: 2,535
| The bigger question is what caused it? I don't see how the felt wipers did this. Have your knuckle studs come loose before or some other similar problem?
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1997 LX-450, Basically stock.
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02-27-07, 04:17 PM
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#5 (permalink)
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Join Date: Oct 2006 Location: Pennsyltucky
Posts: 1,225
| I would hazard that neglect caused this. I'm betting this is the first axle job at 117000 miles. The knuckle studs weren't loose whiel I owned, but I've only owned it for a month and a half.
The pitting isn't horrendous--just unsmooth. And if I could turn the wheel that fast, I think I'd be on my roof!
Thanks for the replies--could we try to smooth it out at all or is it not worth it?
__________________
1995 FZJ80 -- Factory Locked, 2.5+" OME w/ 850s and 863s, CC Plates, BFG AT LT 285/75R16, Extra stuff bolted on, replaced, inserted, thrown inside and put on top.
"A world without open country would be an infinite prison." -Edward Abbey
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02-27-07, 04:30 PM
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#6 (permalink)
| | Forum Lifer
Join Date: Dec 2003 Location: Knoxville
Posts: 2,535
| Quote:
Originally Posted by Lugboot  Thanks for the replies--could we try to smooth it out at all or is it not worth it? | I don't recall seeing that before, but maybe I just wasn't look close enough. I don't think I'd worry about it enough to start sanding on it.
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1997 LX-450, Basically stock.
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02-27-07, 04:45 PM
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#7 (permalink)
| | You want to do what...?
Join Date: Sep 2003 Location: PRK
Posts: 12,053
| Probably just some griit stuck in the wipers
just smooth it out / polish it a bit using fine grit paper or compound, should be fine if you use new wipers. Any pits will just fill out with grease or you could fill them out with epoxy etc if you're really anal.
Not worth changing the entire axle housing, I suppose... 
__________________  : '97: 90K, 3xlock, 285 MT/Rs on steelies, Hanna sliders, 851+1.5"/863/N73/N74E/SD24, ARB bull with M12, Kaymar with duals, Kaymar rack, Slee TC skid, 2m/440, more stuff, loose nut behind the wheel!). Custom HD roo bar for sale!  : '03: 115K
DDs: Accord, Prius  : souped-up DR650 | |
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02-27-07, 05:00 PM
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#8 (permalink)
| | 250+ Club
Join Date: Dec 2004 Location: Livermore , Ca.
Posts: 667
| looks like a little corrosion on the unpainted steel . If you are in a area with lots of salt you can smooth it out clean it spray some paint on it. The only thing that rides on trhat surface is the wiper.
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1996 FZJ 80, 1973 FJ 40
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02-27-07, 05:01 PM
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#9 (permalink)
| | 250+ Club
Join Date: Dec 2004 Location: Livermore , Ca.
Posts: 667
| looks like a little corrosion on the unpainted steel . If you are in a area with lots of salt you can smooth it out clean it spray some paint on it. The only thing that rides on trhat surface is the wiper. Actually looking at the pick again where the wiper rides is clean and good. The exposed area has corrosion. Clean it and paint it.
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1996 FZJ 80, 1973 FJ 40
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02-27-07, 06:45 PM
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#10 (permalink)
| | Forum Lifer
Join Date: Jul 2004 Location: Chandler, AZ
Posts: 8,345
| Quote:
Originally Posted by cpg ... Clean it and paint it. | X2 the wipers will wear most of the paint off, leaving some in the pits, making for a smoother sealing surface.
__________________ Kevin Patterson '96 LX450 '84 4x4 Mini '73 FJ40 Copper State Cruisers #007
"We have come to the conclusion that we can run our car over any road that a man can take a team of horses and a wagon, providing we can get traction." Dr. Horatio Nelson Jackson, 1903 | 
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Lugboot
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