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Differential wear

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Old Jun 2, 2013 | 07:22 PM
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Differential wear

I changed the differential fluid in the front differential today on my 4x4 excursion and noticed some wear. What causes this and what should I do?
The old fluid was slightly shinny like it had metal in it.


 
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Old Jun 2, 2013 | 07:39 PM
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Originally Posted by Todwin8
I changed the differential fluid in the front differential today on my 4x4 excursion and noticed some wear. What causes this and what should I do?
The old fluid was slightly shinny like it had metal in it.


Looks good to me, do you have a better picture?, Does it whine?
 
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Old Jun 2, 2013 | 07:56 PM
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The flat shinny area at the center of the picture, you can see the difference in the pots in the cast metal vs the smooth part that has some wear.
I have tried to crop and post some more pics, difficult on my phone. There is a new album called "differential" that has two cropped pics.
 
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Old Jun 2, 2013 | 08:24 PM
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It looks like the pinion gear is hitting the spider carrier or has at one time. Go underneath and push the yoke in/out/up/down.
 
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Old Jun 2, 2013 | 09:11 PM
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But the pinion isn't shiny on the end, I am betting that lip was ground after casted at the factory to clear the pinion.
 
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Old Jun 2, 2013 | 09:27 PM
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Originally Posted by Snowseeker
But the pinion isn't shiny on the end, I am betting that lip was ground after casted at the factory to clear the pinion.
I see some nicks in the middle but he needs a better picture of the pinion. The middle is raised and that's right about where it would hit.
OP; we need a picture of the end of the pinion gear.
 
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