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Old 06-24-2003, 08:33 PM
73 Nova Guy's Avatar
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Question My auto-lock hub dana 44 isnt locking up.

I know that the axel is getting power from the t-case.

The problem is on a lift, or on the ground the front wheels dont spin in 4x4. even with help.

The right side axel is just spinniing freely in the hub. And the left side remains stationary. I think this is from the failure of the clutch on the right side. A different sort of "one tire fire" i guess.

If anyone is familiar with this system please help me out. I have never had auto-locking hubs before.-Justin

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Old 06-25-2003, 01:59 PM
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By the way, this is on an 84 3/4, ton silverado. Not a hotrod.


Please give an op[inion if you have one.-justin
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Old 06-25-2003, 05:49 PM
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Swap out your hubs with new ones or just get some manual locking hubs, many of these things have plastic components inside and it doesn't take to many 60 mph engagements before the splines get shredded.

Are you sure the front driveshaft is being powered? Just because it is spinning doesn't mean it will take a load. A bent shift fork will make the driveshaft spin but jump out under load.

Aftermarket manual locking hubs solve many strength problems and are usually much cheaper than the factory replacement alternative, besides is it that much of a problem to switch the hubs over when your wheelin? I never cared for the automatic hub systems that have proliferated since the late eighties, they don't seem to take much abuse before they crap out.
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Old 06-26-2003, 03:24 PM
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thanks for the smal insight. i heard that the hubs were unreliable.

i checked the t case output to the front axel and it is ok. i used a big strap to load it and it almost pulled me in!

unfortunately my ignition stopped working so I will be asking a question in elctrical today!

check it out please!-justin
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