4x4 not working
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Freshman User
Joined: Nov 2007
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4x4 not working
03 v10 4x4 will not work in the auto lock,but will if you lock hubs. also will take a long time for the light(4x4) to go out. have only put it in 4x4 3times since 04. on has 72k miles. any clue? thanks
Post Fiend
Joined: Feb 2011
Posts: 26,410
Likes: 6
From: Ft. Lauderdale, FL
You may have a vacuum leak, or the hubs may need to be serviced (lubed) or replaced.
I live in florida, use my 4x4 about 1-2 weeks per year, but still pop it in 4wd every month and physically move hubs from auto to lock a few times.
A ton of Ex owners here have gone to manual hubs, but i prefer the oem's.
I live in florida, use my 4x4 about 1-2 weeks per year, but still pop it in 4wd every month and physically move hubs from auto to lock a few times.
A ton of Ex owners here have gone to manual hubs, but i prefer the oem's.
Postmaster
Joined: Jul 2006
Posts: 2,632
Likes: 4
Just for the sport of it, rebuild them. It's very easy to do.
See these videos.....
Ford Super Duty Lubricating a 4wd locking hub Part 1 - YouTube
Ford Super Duty Lubricating a 4wd locking hub Part 2 - YouTube
See these videos.....
Ford Super Duty Lubricating a 4wd locking hub Part 1 - YouTube
Ford Super Duty Lubricating a 4wd locking hub Part 2 - YouTube
Lead Driver
Joined: Jan 2008
Posts: 6,180
Likes: 83
From: Georgia
Get some 3/16" rubber line(fuel hose, vacuum hose will do) and replace the lines following your front brake lines on each side. Those are your hub vacuum lines. Will take all of 3 minutes per side and see if that corrects your problem. Forgot how much you'll need but it shouldn't be over 3 feet per side.
Senior User
Joined: Feb 2009
Posts: 415
Likes: 1
From: Long Island - NY
Just for the sport of it, rebuild them. It's very easy to do.
See these videos.....
Ford Super Duty Lubricating a 4wd locking hub Part 1 - YouTube
Ford Super Duty Lubricating a 4wd locking hub Part 2 - YouTube
See these videos.....
Ford Super Duty Lubricating a 4wd locking hub Part 1 - YouTube
Ford Super Duty Lubricating a 4wd locking hub Part 2 - YouTube
Real good info - Thanks
New User
Joined: Jan 2007
Posts: 10
Likes: 0
Get some 3/16" rubber line(fuel hose, vacuum hose will do) and replace the lines following your front brake lines on each side. Those are your hub vacuum lines. Will take all of 3 minutes per side and see if that corrects your problem. Forgot how much you'll need but it shouldn't be over 3 feet per side.
My X ended up in the ditch next to my parents driveway Christmas morning last year and those 2 vac lines were the culprit. 4X4 light was on but the front hubs didn't lock in.
Post Fiend
Joined: Mar 2009
Posts: 11,798
Likes: 14
From: Mt. Shasta California
I leave mine locked at the hub all winter. I like the stock hubs but you can't always depend on them to be automatic.
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Senior User
Joined: Dec 2002
Posts: 218
Likes: 1
From: Rancho Cucamonga USA
I've said it once and I'll say it again, "Throw the PoS ESOF hubs away, put in MM or Warn Hubs and enjoy the rest of our life." Yeah you can clean and regrease them, replace the vacuum lines, put a vacuum gauge on the system, pull the hubs off and replace "THE" O'ring, blah, blah, blah.
I wasted hours and hours dicking with mine before I wised up and spent $100 on MM. Read the hundreds of posts on this site and then then think about how many thousands of hours have been wasted "trouble shooting" that system. And trouble shooting is probably the wrong term given how many things go wrong and leave them not working the next time you need them.
Now I just rotate to LOCK and I won't end up like Bobalonius did (I only got stuck several times before I figured it out).
Michael
I wasted hours and hours dicking with mine before I wised up and spent $100 on MM. Read the hundreds of posts on this site and then then think about how many thousands of hours have been wasted "trouble shooting" that system. And trouble shooting is probably the wrong term given how many things go wrong and leave them not working the next time you need them.
Now I just rotate to LOCK and I won't end up like Bobalonius did (I only got stuck several times before I figured it out).
Michael
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Joined: Sep 2011
Posts: 365
Likes: 0
From: LBC
I've said it once and I'll say it again, "Throw the PoS ESOF hubs away, put in MM or Warn Hubs and enjoy the rest of our life." Yeah you can clean and regrease them, replace the vacuum lines, put a vacuum gauge on the system, pull the hubs off and replace "THE" O'ring, blah, blah, blah.
I wasted hours and hours dicking with mine before I wised up and spent $100 on MM. Read the hundreds of posts on this site and then then think about how many thousands of hours have been wasted "trouble shooting" that system. And trouble shooting is probably the wrong term given how many things go wrong and leave them not working the next time you need them.
Now I just rotate to LOCK and I won't end up like Bobalonius did (I only got stuck several times before I figured it out).
Michael
I wasted hours and hours dicking with mine before I wised up and spent $100 on MM. Read the hundreds of posts on this site and then then think about how many thousands of hours have been wasted "trouble shooting" that system. And trouble shooting is probably the wrong term given how many things go wrong and leave them not working the next time you need them.
Now I just rotate to LOCK and I won't end up like Bobalonius did (I only got stuck several times before I figured it out).
Michael
its not that hard to jump out of ur EX to lock the hubs. i got MM in my EX and love em.
Fleet Mechanic
Joined: Oct 2010
Posts: 1,407
Likes: 155
From: Milwaukee, WI
Once you get the issue fixed, make sure to exercise the hubs and 4wd on a regular schedule. Be it monthly, quarterly or each oil change. Run the system in a straight line or dry roads or on wet, rainy roads to avoid binding in the system while exercising it.
The long delay in dropping out of 4wd could be from the lubricant on the transfer case engagement motor and actuator getting old and gummed up by not using it frequently enough.
The long delay in dropping out of 4wd could be from the lubricant on the transfer case engagement motor and actuator getting old and gummed up by not using it frequently enough.
Post Fiend
Joined: Mar 2009
Posts: 11,798
Likes: 14
From: Mt. Shasta California
But you can just turn the dial.......what's the difference.?????
Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
I did the same - got rid of the EOSF hubs and replaced them with Warn hubs from Riff Raff Diesel.........lifetime waranty
Here's the link:
Riffraff Diesel: Warn Premium Hub Set
Here's the link:
Riffraff Diesel: Warn Premium Hub Set
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