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Discussion Starter · #1 ·
My four wheel drive wont engage the front end although I can feel the transfer case kick in when I push the button. I also noticed that my front hubs are a little loose. Could this be a hub issue? Also I wanted to find out if the electronic 4x4 runs of a vacuum hose or an actuator to engage.....this is the first Bronco I have owned so I know very little about it.

1996 XLT Bronco
 

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The Anti Yam!
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22,674 Posts
Gacknar (the anti yam!) said:
How to test Ford Auto locking hubs on all TTB aplications.

1. Place transfercase in 2HI or Neutrall.

2. Lying under vehicle, turn front drive shaft (one direction only).

3. Automatic hubs should lock after 1 to 5 turns of driveshaft (one direction only).

After step 3 the hubs should lock, youll know they are locked becouse you will hear a click from both hubs and you will no longer be able to turn the front drive shaft (in the same direction). If this is not the case then continue to step 4. If you can no longer turn the drive shaft (in the same direction) then skip to step 7.

4. If you can still turn the drive shaft (one direction only) then one or more of your Auto hubs is not working.

5. Continuing to turn the Drive shaft (one direction only).

6. Look at the u-joints for the front stub axles, if both are turning then both front hubs are malfunctioning, if only one is turning then the one that is not turning is locked and the one turning is malfuctioning.

Replace as necosary (preferably with manual hubs, Auto hubs have Yams in them)

7. To unlock the hubs, turn drive shaft in opisat direction untill you hear a click from the hubs.
:thumbup
 

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Discussion Starter · #4 ·
so there is no vaccum hoses or vacuum pump? I was thinking about replacing my electronic T-case with a manual one.....are the electronic T-cases pretty reliable? is it worth it to replace it with a manual T-case?
 

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Dead Horse
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twrenn said:
so there is no vaccum hoses or vacuum pump? I was thinking about replacing my electronic T-case with a manual one.....are the electronic T-cases pretty reliable? is it worth it to replace it with a manual T-case?
no vaccum hoses or pump.
the manual t-case is extremly reliable, and the electronic one isnt, in alot of cases
 

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Former owner of Shadofax
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twrenn said:
so there is no vaccum hoses or vacuum pump? I was thinking about replacing my electronic T-case with a manual one.....are the electronic T-cases pretty reliable? is it worth it to replace it with a manual T-case?
No

electric usually are, for awhile. now that most broncos have seen 100k+, things begin to happen.

the manual ones have one common issue as well, it's internal. but an easy fix, and the 1356 is a nice Tcase. Worth it? For me yes, since it was less than $400 end to end. for you, not knowing and liking paying for this to occur, it will be way more, so that depends on your definition of worth it. You can see a whole writeup by searching for the post I have in the tech section on this very subject, and good luck.:thumbup ;)
 

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I have a 94 Bronco. I purchased Superwinch manual hubs on 6/23 for $80. I pulled the automatic locking hubs out and installed the manuals in less than an hour. If you have a manual for the truck it's simple. If you don't its simple. My autos were held in by one spring. Slide the assembly out. Slide manual in. Install a couple c-clips and you are done
 
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