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Old January 19th, 2009, 03:08 PM   #1
bitchofanxj
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Question All right ford guys, tell me whats up. '04 Power Stroke 4WD no worky

The Parents have a '04 F250 Power Stroke and the 4WD has been acting up. I told the old man that it is more than likely the Auto hubs but he doesn't seem to think so. Anyone else have any bright ideas? If it is the auto hubs what would be the best way to go, replace the autos or upgrade to lockouts. This is mostly a daily driver and doesn't see an extreme amount of towing and I'm not sure what front end it would have, I guess I can crawl under it when my Mom gets home from work if it isn't -10* outside by then. Thanks for the help.

Last edited by bitchofanxj; January 19th, 2009 at 03:14 PM.
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Old January 19th, 2009, 03:24 PM   #2
GUINNESS112
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Doesn't this have the auto and manual lock positions? What do you mean by acting up? A little more info would help.
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Old January 19th, 2009, 03:30 PM   #3
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on my 05 the auto/manual hubs locked up so you couldnt turn them, if thats what your saying then i think all they need is the new lockouts
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Old January 19th, 2009, 06:46 PM   #4
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Yea, I guess I should have been a little more descriptive. The 4WD will kick in for a short period of time but will kick back out after a few seconds. It doesnt matter if it is in auto or lock. I guess I haven't actually looked at it myself tho, I'm just going by what the rents are saying.
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Old January 19th, 2009, 09:15 PM   #5
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warn premium hubs/lockouts ftw

does the 4x4 light stay on the whole time or is that going on and off also?
that will tell you if the t case shifter is working correctly
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Old January 19th, 2009, 09:22 PM   #6
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It's got the Auto/Lock selection. And I believe its a D60, not a D50.

Someone correct me if I'm wrong
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Old January 20th, 2009, 12:19 PM   #7
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Quote:
Originally Posted by HVYRTFT View Post
It's got the Auto/Lock selection. And I believe its a D60, not a D50.

Someone correct me if I'm wrong
It's irrelevant, they both work the same way.

Bad vacuum pump for starters - but if you can change airflow to the floor and panel and it doesn't keep blowing out the defrost then it's ok.

Since the hubs are vacuum-actuated, check these:
  1. Bad locking hub o-ring
  2. Bad axle shaft seal
  3. Bad unit bearing o-ring
  4. Cracked vacuum line on top of knuckle

Lastly, the locking hub is just bad.
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Old January 20th, 2009, 12:23 PM   #8
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this isnt rocket science

look to see what isn't working

is the driveshaft spinning?

are the axleshafts spinning?
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Old January 20th, 2009, 12:27 PM   #9
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Quote:
Originally Posted by Bones View Post
this isnt rocket science

look to see what isn't working

is the driveshaft spinning?

are the axleshafts spinning?
Except that it works "sometimes" and goes in and out of 4wd, which supports a vacuum issue.
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Old January 20th, 2009, 02:08 PM   #10
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Quote:
Originally Posted by Jeeperz Creeperz View Post
Except that it works "sometimes" and goes in and out of 4wd, which supports a vacuum issue.
assuming it is an 04 with an electronic tcase, it could also be the shift motor.
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Old January 20th, 2009, 02:15 PM   #11
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Found a TSB that might be similar to your issue: The number is TSB05-3-6


FORD: 2004-2005 F-Super Duty


ISSUE:
Some 2004-2005 F-Super Duty 4x4 vehicles equipped with an automatic transmission and manual transfer case, may exhibit the transfer case jumping out of 4H or 4L and into 2H or neutral position.

ACTION:
Use the following Service Procedure to adjust the transfer case shift linkage. It may necessary to replace the shifter bracket assembly as well.

SERVICE PROCEDURE

Remove the transfer case control rod at its connection with the shift linkage pivot pin.
Loosen the two (2) 9/16 bolts connecting the shift bracket to the transmission.
Move the bracket as far rearward as possible, torque the bolts to 85 lb-ft (115 N-m).
Move the shifter into the 4H position and hold the linkage against the 4H detent wall of the shift gate.
Without applying any further force rearward on the transfer case lever, try to reconnect the transfer case control rod to the shifter pivot pin.
If the transfer case control rod can be reattached to the shifter pivot pin, return the vehicle to the customer.
If the control rod cannot be reattached to the shifter pivot pin, remove the shifter bracket assembly and replace with new, following Workshop Manual Section 308-07B.

PART NUMBER PART NAME
4C3Z-7210-BA Shift Bracket Assembly


WARRANTY STATUS:
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage

OPERATION DESCRIPTION TIME
050306A 2004-2005 Super Duty F-Series: Adjust Manual Transfer Case Linkage 0.3 Hr.
050306B 2004-2005 Super Duty F-Series: Adjust Manual Transfer Case Linkage, And Replace Shift Bracket Assembly 0.7 Hr.

DEALER CODING
BASIC PART NO. CONDITION CODE
7210 07
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Old January 20th, 2009, 02:55 PM   #12
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I understand that it is like most problems, just try one thing and if it doesn't work try another. Never worked on a 3/4 ton truck before and I haven't even looked at it yet , just was asking if anyone has had this problem before first hand and looking for ideas before I dive in feet first. It does have the push button 4WD so there is no way it would be a linkage issue. I will check the vacuum lines from the knuckle and see what they look like and go from there I guess. Thanks for all the ideas.
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Old January 20th, 2009, 05:43 PM   #13
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Quote:
Originally Posted by Bones View Post
assuming it is an 04 with an electronic tcase, it could also be the shift motor.
The shift motors didn't really have issues with going in and out of 4wd, they pretty much either worked or didn't.
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Old January 20th, 2009, 05:56 PM   #14
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Quote:
Originally Posted by Jeeperz Creeperz View Post
The shift motors didn't really have issues with going in and out of 4wd, they pretty much either worked or didn't.
not my experience with explorers lol
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Old January 20th, 2009, 06:06 PM   #15
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i had a 05 f-150 in the shop today and the hubs were kicking on and off on the right side ... turns out the hub wasnt kicking out all the way and in time ate the gears up in the hub and well ... big bill but this truck has about 200k on it (ya i couldnt belive the miles my self)
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Old January 20th, 2009, 06:17 PM   #16
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Quote:
Originally Posted by Bones View Post
not my experience with explorers lol
I was going to mention that explorers were really the only ones that had shift motor problems (in other words if the 4wd didn't work, you started by looking at the shift motor).

In the case of the SuperDuty, it's the opposite. You start by looking at the hubs and vacuum system.
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Old January 22nd, 2009, 07:42 PM   #17
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when i worked at the ford dealership i had a few trucks that did this and i found it was the yellow rubber o-ring that is on the hub. Pm me with you need any service manuals...I still can get into the ford website and view the factor service manuals
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