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Front Differential Noise Please Help

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Old Nov 19, 2011 | 06:28 PM
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Front Differential Noise Please Help

I have a grinding noise coming I believe from the front differential in my 94 F-250 4x4 351. The noise is only heard in 4wd when accelerating up a steap grade. This is a pretty loud grinding noise. I took the auto hubs off and everything looks fine. The noise seems to come from the front, center, so I do not think it is the transfer case. What could be causing the noise and what do I need to do to fix it? Thank you very much for your help.
 
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Old Nov 20, 2011 | 06:56 PM
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You have little choice but to open up the front diff. Do you have a straight axle or TTB?
 
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Old Nov 21, 2011 | 08:20 AM
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Not a straight. The diff cover has a 50 on it so I assume it is the Dana 50. No water mud or metal in the fluid.
 
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Old Nov 21, 2011 | 02:04 PM
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TC fluid check clear also?

IIRC, pulling the inspection cover off a TTB is a major pain....
 
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