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99 SD Auto Hubs
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Freshman User
Joined: Apr 2004
Posts: 29
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From: Winnipeg,MB
99 SD Auto Hubs
Hi all.
I have a 99 sd ps ,it has the shift on the fly 4x4.Recently noticed it wasn't locking in ,no big surprise from what i've read here.My question is are all the auto hubs the same?From what i read here it's been said that you can lock them manually but i can't seem to do that on mine.The hubs look like the typical factory ones altho there are no markings at all.Is it possible that these don't have that option or can they cease that bad ,I tried turning with visegrips and no hint of movement.Any thoughts?
I have a 99 sd ps ,it has the shift on the fly 4x4.Recently noticed it wasn't locking in ,no big surprise from what i've read here.My question is are all the auto hubs the same?From what i read here it's been said that you can lock them manually but i can't seem to do that on mine.The hubs look like the typical factory ones altho there are no markings at all.Is it possible that these don't have that option or can they cease that bad ,I tried turning with visegrips and no hint of movement.Any thoughts?
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 422
From: Long Island USA
They tend to lockup like you found out 
You can go the expensive route of getting Ford hubs, or go with Warns or whatever other brand is out there.
You might have some luck taking yours apart and lubing them up, but from what I've heard, it ain't no picnic.
You can go the expensive route of getting Ford hubs, or go with Warns or whatever other brand is out there.
You might have some luck taking yours apart and lubing them up, but from what I've heard, it ain't no picnic.
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Freshman User
Joined: Apr 2004
Posts: 29
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From: Winnipeg,MB
That was the first thing I checked..... hoses seem to be good. I"m sure there's a vacuum leak,the reason I say this is once I got on the road (40mph) it locked in but when I stopped @ a red light they let go, so @ the next light I shut down the heat and it locked in again.But the question remains,are these things ceased solid? I just can't see that.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 422
From: Long Island USA
There is only a 20 second vacuum pulse to lock the hubs. After that 20 seconds, if the hubs are not locked, they never will be.
Likewise, there is a 5 second pulse to unlock them.
The **** is known, very well-known, to be locked up so tight they can't turn. That has nothing to do with auto-locking, but ...
Likewise, there is a 5 second pulse to unlock them.
The **** is known, very well-known, to be locked up so tight they can't turn. That has nothing to do with auto-locking, but ...
Lead Driver
Joined: Sep 2003
Posts: 5,844
Likes: 6
From: Albuquerque
I would have the hubs looked at. The hubs might be toast, but they might just need to be repacked with grease and re-adjusted. The service manual does state that at 60,000 miles they be serviced. (if memory serves me correct)
How are you actually verifying the hubs locked at 40mph? What you might be experiencing is the transfer case engaging...and not the hubs. Just curious...because I am having a similar problem with my 2003 ESOF system. I am hoping it is not the hubs...and maybe the vacuum solenoid.
biz
How are you actually verifying the hubs locked at 40mph? What you might be experiencing is the transfer case engaging...and not the hubs. Just curious...because I am having a similar problem with my 2003 ESOF system. I am hoping it is not the hubs...and maybe the vacuum solenoid.
biz
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Freshman User
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From: Winnipeg,MB
I don't think it's a T case issue,I'm being conservative with the 40 mph,Give or take 20+ ,I was getting really ticked off 
So i drove like i stolel it,and at some point they or it locked in.
So i drove like i stolel it,and at some point they or it locked in.
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Lead Driver
Joined: Sep 2003
Posts: 5,844
Likes: 6
From: Albuquerque
Since they did lock in...then I say go with a good servicing on those hubs. They are probably all dirty inside. I have found out from FTE members that the hub seals are prone to letting in mud from time to time.
Good luck with it!
biz
Good luck with it!
biz
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Freshman User
Joined: Apr 2004
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From: Winnipeg,MB
Well.....I think i'm going with the Warn hubs (38826).A friend works for a major trans shop and he can get'em for $327 + 14% tax CDN .What are you guys paying for these down In the good ol USA?
Last edited by Beast12; Nov 19, 2005 at 07:05 PM. Reason: removed profanity
Post Fiend
Joined: Jul 2005
Posts: 14,582
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From: 21791
i have the 38826 warn premium hubs. my stockers were locked up too, so upgraded. i got mine for $186, on ebay. check 'em out! the regular warn hubs were $160.
i have pics of my hubs in my gallery. look at them.
EDIT-- i went on ebay, and i found the exact auction that i bought mine from- 8015951837. i highly recommend this seller!
i have pics of my hubs in my gallery. look at them.
EDIT-- i went on ebay, and i found the exact auction that i bought mine from- 8015951837. i highly recommend this seller!
Last edited by PowerstrokeJunkie; Nov 19, 2005 at 09:54 PM.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 422
From: Long Island USA
Originally Posted by Budguzler
That's def better than the quote i got,Will def check ebay.Also this is to Krewat, how did you make your's fit so good?
I did have a problem with one rattling, and after contacting Warn customer service, they sent me a second pair of snap rings, which tightened them right up.
They do fit perfectly under the stock "beauty covers" or whatever you would call them.
$200 US - I got them from an auto parts place I deal with, and get jobber prices. However, I could have gotten them cheaper on-line.
art k.