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Old Apr 12, 2006 | 09:24 PM
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From: Middleton, ID
Dana 50 issues

A while back I was wheeling my '86 F-250 4x4 and got it burried pretty bad.

anyway, I had only one tire spinning up front so I stepped on the brakes to give that free tire a bit of resistance...well I got carried away and just stood on the peddle... about 30 sec later I heard a big BANG.

All the u-joints in the front look good so I know thats not the problem.

Did I destroy the hubs or is it something in the axle? it only binds up when both hubs are locked.

Thanks,
 
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Old Apr 13, 2006 | 11:33 AM
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It's going to be tough to diagnose from here. Your signature applies to this situation quite well.
 
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Old Apr 13, 2006 | 01:07 PM
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When I burried the truck the D-side tire was spinning and the P-side wasn't so I stepped on the brakes trying to stop the d-side and get the p-side moving to try and get me moving.

I kept stepping down on the peddal with more force until I heard something give.

If the hubs are locked I get a binding in the front, enough that it'll drag the tire, or it'll cause the back tires to break free (depending on what type of ground it is).

If they're unlocked It is drivable wouldn't know there was a problem unless told about it.

Does this help?
 
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Old Apr 13, 2006 | 03:33 PM
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Get under it and start moving axleshafts and driveshafts around by hand until you figure out where it broke.

If you're saying that it binds with the hubs unlocked and the t-case in 2h, then it sounds like you broke the front diff.

If you have it in 4h and it does that, you're not supposed to use 4h on dry pavement and the behavior you describe is what I'd expect to happen.
 
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Old Apr 13, 2006 | 06:23 PM
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It binds up in a straight line.
 
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Old Apr 14, 2006 | 03:56 AM
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Same thing happened to me once, I was pulling out my buddy who was stuck and when trying to tug him out I gave it some fuel and "POP" heard something break, and I no longer was able to use 4wd, after getting it fixed they opened it up and found the spider gears in pieces and a bad seal.
 
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