LOCKING HUBS
Senior User
Joined: Oct 2006
Posts: 210
Likes: 2
From: Welland, On
I know that there are different styles of hubs.
Auto-Lock
Lock-Unlock
and fully Auto
if the dial cannot be turned, I suspect fully auto, that is that the hubs only lock (and unlock) the front axle by vacuum. These hubs can be interchanged as a set. I have a full auto set and an auto-lock set for my 04 superduty. The fully auto I got from an excursion at the wreckers. I also picked up one broken lock-unlock from the wreckers just to take apart. I asume that the lock-unlock would be appropriate for a manual transfer case.
The dots to signify lock, etc are slightly drilled into the housing. I would be surprised if they wore away. So I am going to guess at fully auto hubs. Hope the extra information is useful if you go to the wreckers,
Auto-Lock
Lock-Unlock
and fully Auto
if the dial cannot be turned, I suspect fully auto, that is that the hubs only lock (and unlock) the front axle by vacuum. These hubs can be interchanged as a set. I have a full auto set and an auto-lock set for my 04 superduty. The fully auto I got from an excursion at the wreckers. I also picked up one broken lock-unlock from the wreckers just to take apart. I asume that the lock-unlock would be appropriate for a manual transfer case.
The dots to signify lock, etc are slightly drilled into the housing. I would be surprised if they wore away. So I am going to guess at fully auto hubs. Hope the extra information is useful if you go to the wreckers,
Senior User
Joined: Nov 2009
Posts: 109
Likes: 0
From: Decatur Illinois
well im not real sure what you've got there but if you think maybe it would be easier to replace them, go ahead with a set of manual locking hubs. auto lockers need a full revolution of the tires to engage, manual lockers are in the moment you turn them with your hand. if you dont engage your auto lockers to 4x4 before you get stuck, your not getting out on your own.
Cargo Master
Joined: Jan 2008
Posts: 2,566
Likes: 18
From: The Great White North!
Clockwise to lock and counter to unlock. Hopefully the dials are still moving for ya. If they are and you don't want to replace to aftermarket hubs just keep up the maint on them. Here is the site that we use for that. After you do it once or twice you can do it in your sleep. 20 mins per side, start to finish.
Welcome to guzzle's Ford PSD Maintenance Web Page
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Elder User
Joined: Nov 2008
Posts: 668
Likes: 6
From: Northfield, MI
Not sure where you got that from but in the case of the SD's, that is absolutely false.
The automatic hubs on these trucks use a sliding collar identical in function to the manual hubs. The only time they won't immediately lock is when the splines are not aligned, same as the manual hubs. As soon as the truck moves a few inches or the axle shaft turns a few degrees the splines will align and the hubs will be locked.
Jay
The automatic hubs on these trucks use a sliding collar identical in function to the manual hubs. The only time they won't immediately lock is when the splines are not aligned, same as the manual hubs. As soon as the truck moves a few inches or the axle shaft turns a few degrees the splines will align and the hubs will be locked.
Jay
Cargo Master
Joined: Jan 2008
Posts: 2,566
Likes: 18
From: The Great White North!
Not sure where you got that from but in the case of the SD's, that is absolutely false.
The automatic hubs on these trucks use a sliding collar identical in function to the manual hubs. The only time they won't immediately lock is when the splines are not aligned, same as the manual hubs. As soon as the truck moves a few inches or the axle shaft turns a few degrees the splines will align and the hubs will be locked.
Jay
The automatic hubs on these trucks use a sliding collar identical in function to the manual hubs. The only time they won't immediately lock is when the splines are not aligned, same as the manual hubs. As soon as the truck moves a few inches or the axle shaft turns a few degrees the splines will align and the hubs will be locked.
Jay
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Freshman User
Joined: Nov 2009
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LOCKING HUBS,
I AM GOING TO SHOW MY IGNORANCE BUT COUNTER TO UNLOCK AND LOCK CLOCKWISE DOESN" IT CHANGE ON THE SIDE YOU ARE LOOKING AT THE DRIVERS SIDE IF YOU GO COUNTER CLOCK WISE YOU GO TOWARDS THE FRONT, THE PASSENGERS SIDE IF YOU GO COUNTER YOU GO TOWARDS THE BACK, DOES IT MATTER IF BOTH OF THEM ARE NOT IN THE SAME POSITION.MAYBE NOT , PLEASE ADVISE. THANK YOU TBRADSIM
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Senior User
Joined: Mar 2005
Posts: 146
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From: Hanover Park, Illinois
That's funny how our brains work, I had to think about that myself. Turn both the Hubs (driver's side and passenger side) the same direction. Clockwise for lock or auto and Counter clockwise for unlock or lock. It all depends on what type of hub you have. Even though you will be turning towards the back on the left side and the front on the right side, you are still turning the hub itself in the same direction. Does that make it any clearer? I may have made it more confusing.
If you have Electronic shift on the fly (ESOF), *the **** in the cab that automatically engages 4x4*, then you have auto hubs. If they turn, then they are "Clockwise - Auto" / "Counter Clockwise - Lock". If you don't have ESOF, then they are manual and it's "Clockwise - Lock" / Counter Clockwise - Unlock"
If you have Electronic shift on the fly (ESOF), *the **** in the cab that automatically engages 4x4*, then you have auto hubs. If they turn, then they are "Clockwise - Auto" / "Counter Clockwise - Lock". If you don't have ESOF, then they are manual and it's "Clockwise - Lock" / Counter Clockwise - Unlock"
Last edited by Flaw; Nov 23, 2009 at 12:09 AM. Reason: typing error
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Senior User
Joined: Nov 2009
Posts: 109
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From: Decatur Illinois
Not sure where you got that from but in the case of the SD's, that is absolutely false.
The automatic hubs on these trucks use a sliding collar identical in function to the manual hubs. The only time they won't immediately lock is when the splines are not aligned, same as the manual hubs. As soon as the truck moves a few inches or the axle shaft turns a few degrees the splines will align and the hubs will be locked.
Jay
The automatic hubs on these trucks use a sliding collar identical in function to the manual hubs. The only time they won't immediately lock is when the splines are not aligned, same as the manual hubs. As soon as the truck moves a few inches or the axle shaft turns a few degrees the splines will align and the hubs will be locked.
Jay
Senior User
Joined: Nov 2009
Posts: 109
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From: Decatur Illinois
Senior User
Joined: Nov 2009
Posts: 109
Likes: 0
From: Decatur Illinois
ps......not to be a wisecracker here or anything but you did mention that the sd may need to move even just a smidge to grab the next spline to engage, what if you high center the rear end? Ive done that breaking the "never back up" rule and backed over a hidden tree stump which raised the rear end up off the ground and wedged the truck onto the stump...couldnt budge it....till i got out and locked my HAND LOCKERS.
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
I AM GOING TO SHOW MY IGNORANCE BUT COUNTER TO UNLOCK AND LOCK CLOCKWISE DOESN" IT CHANGE ON THE SIDE YOU ARE LOOKING AT THE DRIVERS SIDE IF YOU GO COUNTER CLOCK WISE YOU GO TOWARDS THE FRONT, THE PASSENGERS SIDE IF YOU GO COUNTER YOU GO TOWARDS THE BACK, DOES IT MATTER IF BOTH OF THEM ARE NOT IN THE SAME POSITION.MAYBE NOT , PLEASE ADVISE. THANK YOU TBRADSIM
Go with "clockwise and counter-clockwise".
They should both always be in the same position.
That's how it works.
Pop
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
FireMe is absolutely correct. In another thread ( https://www.ford-trucks.com/forums/8...ml#post8063268 ), he put together a comprehensive explanation of how the ESOF system works that I have read anywhere. Since I already knew how the system really works, I feel qualified to judge his writing, and it was dead-on. He knows this system.
Pop
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Freshman User
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THANK YOU ALL FOR YOUR RESPONSE. SPRINGERPOP I THANK YOU I HAD TO DRAW IT DOWN FOR IT TO MAKE SENSE,WORKED IN A PLANT ALL MY LIFE AND HAD TO DRAW FLOWS ON MY HAND WHILE OUTSIDE SO I MUST BE A LITTLE DSYLEIC,I HOPE THATS HOW YOU SPELL IT,AGAIN THANK YOU ALL TBRADSIM
