4X4 hubs?
4X4 hubs?
Senior User
Joined: Apr 2003
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From: Southeastern PA
4X4 hubs?
You have to get out and turn them before putting it in 4x4, assuming that they are manual locking hubs. I think they are. Just look and see if there is a "locked" and "unlocked" position and if you can turn them.
Posting Guru
Joined: Feb 2003
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From: Roseburg OR.
4X4 hubs?
No they will not. If you have the switch on the dash, referred to as ESOF (electronic shift on the fly) then your hubs have a "lock" and "auto" position. Auto position should be used for every day driving and when 4x4 is engaged the hubs are locked internally via a vacuum system. If this fails you can still manually lock the hubs by getting out and doing it yourself. It's a backup feature for all the people (like myself) who hate auto locking hubs and all their failures.
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Posting Guru
Joined: Feb 2003
Posts: 2,153
Likes: 1
From: Roseburg OR.
4X4 hubs?
No, the 99+ Superduties with ESOF. They have a vacuum actuated internal locking mechanism and a backup manual hub lock that can override the vacuum system.
Mountainman,
Do you have a Superduty (F-250/350?) If so you do have manual hubs to backup the Esof system. Unless someone changed them to something else. All Superduties came with either a t-case shifter and manual hubs or Esof with backup manual hubs.
If you have f-150 then I have no idea how they work. Sorry.
Mountainman,
Do you have a Superduty (F-250/350?) If so you do have manual hubs to backup the Esof system. Unless someone changed them to something else. All Superduties came with either a t-case shifter and manual hubs or Esof with backup manual hubs.
If you have f-150 then I have no idea how they work. Sorry.
Last edited by RRMike; Aug 15, 2003 at 11:59 AM.
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Posting Guru
Joined: Feb 2003
Posts: 2,153
Likes: 1
From: Roseburg OR.
4X4 hubs?
Originally posted by Machine
Newbee ? here.
I have a 99' CC 4X4 F250 SD
will the hubs physically turn when I turn the 4X4 switch inside the cab???
Newbee ? here.
I have a 99' CC 4X4 F250 SD
will the hubs physically turn when I turn the 4X4 switch inside the cab???
Posting Guru
Joined: Mar 2003
Posts: 1,943
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4X4 hubs?
o.k. so how do you know if the hubs are locked if the **** stays in the auto position. I got in an argument(sort fo ) in Pismo this weekend because I went to pull this guy out and he says his hubs aren't locked and I told him if the front shaft is spinning then the hubs are probably locked.
Posting Guru
Joined: Feb 2003
Posts: 2,153
Likes: 1
From: Roseburg OR.
4X4 hubs?
Originally posted by cwb
o.k. so how do you know if the hubs are locked if the **** stays in the auto position.
o.k. so how do you know if the hubs are locked if the **** stays in the auto position.
The front shaft will turn once the switch on the dash has been put in 4x4 but the front tires might not get power if the vacuum system has failed. If the front end doesn't spin then you get out and lock them manually. But yes the shaft will spin. Just like if I put my manual t-case shifter in 4hi the shaft will turn even with the front hubs unlocked.
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