auto hubs, left right/ side specific?
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8th Gear
Joined: Jul 2011
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auto hubs, left right/ side specific?
Hello, working on a friends truck and having problems with the automatic hubs. its a 93 F150, auto hubs, manual T-case. he did a brake job with another friend, says 4wd worked before, and now it doesn't.
front axles turn when selected to 4wd, but the hubs dont lock up and turn the wheels.
i disassemble the hubs to inspect them, and i can get the hubs to lock and unclock, out of the truck. when put back in the truck they wont engage.
i'm going to take them back out and clean them real good, but i had a question.
are the hubs side specific? is there a difference between left and right?
i'm wondering if the guy got the hubs mixed up when he was doing his brakes. if they unlock when in reverse, could they not lock if isntalled the worng way?
front axles turn when selected to 4wd, but the hubs dont lock up and turn the wheels.
i disassemble the hubs to inspect them, and i can get the hubs to lock and unclock, out of the truck. when put back in the truck they wont engage.
i'm going to take them back out and clean them real good, but i had a question.
are the hubs side specific? is there a difference between left and right?
i'm wondering if the guy got the hubs mixed up when he was doing his brakes. if they unlock when in reverse, could they not lock if isntalled the worng way?
Last edited by tripcana; Dec 21, 2011 at 11:16 AM. Reason: corrected year from 96 to 93
Cargo Master
Joined: Nov 2003
Posts: 2,585
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From: Duluth, Mn.
No, they should work either side. Take the hub out and make sure they reassembled them properly. There is a washer with large slots that engages the hub. Also, the brake band, and plastic sleeve need to be clean and lubed
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8th Gear
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Is that washer the C washer in the diagrams? I didn't see that when I took it apart, but there was a circlip on the axle. I think there was a splined washer, then the cir clip.
I dont know if they are the same part or if I'm missing parts
I dont know if they are the same part or if I'm missing parts
More Turbo
Joined: Dec 2003
Posts: 616
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From: Missouri - Lake of the Oz
"To lock or not to lock..."
Have you considered that this would be the ideal time to convert to manual hubs? Some years ago an acquaintance of mine tore up the front differential in a Dodge due to one so-called "auto" hub failing to disengage.
dn.
dn.
Cargo Master
Joined: Nov 2003
Posts: 2,585
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From: Duluth, Mn.
[QUOTE=fonefiddy;11180584]The washe I mentioned is unmistakable. It looks like a regular washer, with large"helicopter" blades. If you pull the hub, they should be obvious without removing anything else
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8th Gear
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im not sure i know what the "helicopter blade" washer is. from pictures, it looks like you have to take apart the hub body assembly apart to see it. i couldn't get the body assembly apart, i didn't want to break anything.
the first picture shows the C washer. to me the C washer is a circlip that holds the splined washer on?
the second picture shows something that looks kinda like helicopter blades, but looks like you have to disassemble the hub body assembly?
the first picture shows the C washer. to me the C washer is a circlip that holds the splined washer on?
the second picture shows something that looks kinda like helicopter blades, but looks like you have to disassemble the hub body assembly?
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Cargo Master
Joined: Nov 2003
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From: Duluth, Mn.
If You look at the drag sleeve, there are 4 notches. Look inside the axle hub, there should be a large washer with the "helicopter blades" that engage the notches on the drag sleeve.
I'd recomend getting a pair of snap ring pliers, and disassemble the hubs. It's much easier to get them clean and lubed. You need to remove 2 retaining clips and You can get them torn down. The inside one can be done with a small screw driver
I'd recomend getting a pair of snap ring pliers, and disassemble the hubs. It's much easier to get them clean and lubed. You need to remove 2 retaining clips and You can get them torn down. The inside one can be done with a small screw driver
Freshman User
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Auto Hubs
After having issues with my Auto Hubs which never worked right even after being serviced I bought a set of Mile Maker manual hubs. Best thing I ever did for this truck. Ford had a really bad idea with their auto hubs. 
More Turbo
Joined: Dec 2003
Posts: 616
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From: Missouri - Lake of the Oz
"Locked or unlocked: That is the question..."
dn.
Cargo Master
Joined: Nov 2003
Posts: 2,585
Likes: 1
From: Duluth, Mn.
I'd almost bet that over 90% of Peeps tha own a 4X4 have no idea how it works. They just want it to work, when They want it to work.
The auto hubs work very well, IF They're maintained. I've got 250K miles on mine. I jsut replaced one. It was due My neglegence more than anything. I did not service them last winter, and this spring I could tell there was something funcky going on with the one. I just kept driving and burned one down.
If Your a hard core 4 wheeler, I'd definately recomend manual hubs. But for the 90%+ of Peeps that use 4x4 10-12 times a year, the auto hubs are just fine. I prolly use 4x4 3-4 times a year. I use My 4X2 truck all summer, and never miss having 4x4
The auto hubs work very well, IF They're maintained. I've got 250K miles on mine. I jsut replaced one. It was due My neglegence more than anything. I did not service them last winter, and this spring I could tell there was something funcky going on with the one. I just kept driving and burned one down.
If Your a hard core 4 wheeler, I'd definately recomend manual hubs. But for the 90%+ of Peeps that use 4x4 10-12 times a year, the auto hubs are just fine. I prolly use 4x4 3-4 times a year. I use My 4X2 truck all summer, and never miss having 4x4
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