4WD automatic hub
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New User
Joined: Dec 2004
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4WD automatic hub
I need a GOOD source for pictures and instructions to fix one hub that will not engage. The teeth are shot. A mechanic put an "extra" seal in causing the hub to run engaged for 40+K. Another one shimmed the hub, but it still just "clicks". I'm ready to replace some parts myself. I tried the major fix-it book in the library, but found it not very good. Appreciate any help. thanks
Lead Driver
Joined: Sep 2002
Posts: 9,182
Likes: 12
From: Gateway to the West
Its just easier to replace the entire hub. The autos aren't exactly what ANYONE would call a reliable component anyway. The autos don't always stay engaged anyway especially if the truck rolls backwards. A good set of manual hubs will provide a much better service life and far more reliable service. As for actually spending the time and effort to attempt a repair, I've never done it and you may be hard pressed to find someone who actually has. The conversion to manual hubs is almost a "given" when an automatic one fails. They are very easy to replace. Remove the old auto and install the new manual in its place. Only time there is an extra step is certain vintage hubs have only three mounting screws and the manual replacements require an adaptor kit be installed prior to the swap. Again, a fairly simple process.
I realize I haven't exactly answered the question you posed however, finding information on performing the swap is much more readily available than repair info on an automatic hub.
I realize I haven't exactly answered the question you posed however, finding information on performing the swap is much more readily available than repair info on an automatic hub.
Cargo Master
Joined: Aug 2004
Posts: 2,899
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From: Lynnwood, WA
Well, I guess I have to partially retract my previous comment -- I just bought a set of (6 pieces) dental pick from Harbor Freight yesterday, and shortly after my previous post, I figured I give it another try. (That fricken lockring has defeated me twice!!) After bending 2, I have successfully removed the lockrings with the 3rd one. The first took about 15 mins, the 2nd maybe 2 - 3. One side had 2 broken teeth in it while the other looked OK, but it doesn't matter since I'm converting them. Of course, I grinded the ends of the lockrings from ---| to ---/ so removal shouldn't be an issue any more.
Senior User
Joined: May 2003
Posts: 337
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From: Ohia
this is from when i did mine, along with rotors and wheel bearings, hope it helps
http://www.superford.org/registry/ve...=14884#content
http://www.superford.org/registry/ve...=14884#content
Lead Driver
Joined: Sep 2002
Posts: 9,182
Likes: 12
From: Gateway to the West
aurgathor, Sorry to hear you had such difficulties with the 3-bolt version. Perhaps I spoke too soon. I have never had to deal with the 3-bolt version as I have made every effort to avoid them because I hear they are a PITA all the way around.
Cargo Master
Joined: Aug 2004
Posts: 2,899
Likes: 2
From: Lynnwood, WA
I haven't changed the hub yet (have to get a kit first), but looks to me, if the lockrings are off, the rest should be trivial. Alas, Broncos aren't common enough to be very choosy about them.
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