4x4 problems
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Freshman User
Joined: Nov 2006
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From: Oak Ridge, TN
4x4 problems
Alright, my 99 F250 Lariat has the in-cab 4x4 shifting and it hasnt been working right since I purchased the truck. I put the truck in neutral, turn it to 4H, then to 4L, and the offroad and 4x4 dash light comes on, and I hear a click, sounding like its engaging, but its not. If I get out and switch the hubs from 'auto' to 'lock', then it will crawl outta any hole like it should. What is wrong with my 4x4? I don't use my 4x4 very often, but its nice to know I got it when I need it (from in the cab, haha). Thanks.
Postmaster
Joined: Feb 2003
Posts: 3,441
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From: Muskegon, MI (home)
I have heard of people having problems with the factory hubs on these trucks similar to what you stated. Warn offers a conversion to install their standard manual lockout hubs on the newer Ford Super Dutys
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Freshman User
Joined: Nov 2006
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From: Oak Ridge, TN
I have the electronic shift on the fly dial in my cab. I don't have the floor shifter. When the hubs are in 'auto', I should be able to shift in to 4x4 in the cab, but its not doing that.
Senior User
Joined: May 2005
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either way, you still have to lock the hubs in BEFORE you make any different transfer case selections. if the hubs are not in the 'lock' position, and you select 4lo, you will technically only be using 2lo becuase the front wheels are not engaged when in 'auto'.
Post Fiend
Joined: Jun 2004
Posts: 8,147
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From: Joppa, Maryland
That's the point of the ESOF, oneofakind, you don't have to get out and lock the hubs when they're working properly. It's usually a vacuum issue at the hubs. SEARCH been covered MANY MANY times.
More Turbo
Joined: Jun 2006
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Originally Posted by oneofakind97
either way, you still have to lock the hubs in BEFORE you make any different transfer case selections. if the hubs are not in the 'lock' position, and you select 4lo, you will technically only be using 2lo becuase the front wheels are not engaged when in 'auto'.
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Post Fiend
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ESOF is junk! Cool for a little while when it works, and then a little aggrivating after when it does not.
This system uses a pulse vacuum system to activate the front hubs while in auto, and then another pulse to free them. Theory sounds good, but aften fails.
Some guys will tell you to just use the hubs like manual hubs, but you may never free both of them when you turn the hub to the auto position. Drive around and look at how many front driveshafts are turning. Most of these guys don't even realize they are driving around with the front end locked in.
Best bet is to service the front hubs and determine if they are working alright.might take a bit of work, and will fail again, or change them out for a quality aftermarket set.
This system uses a pulse vacuum system to activate the front hubs while in auto, and then another pulse to free them. Theory sounds good, but aften fails.
Some guys will tell you to just use the hubs like manual hubs, but you may never free both of them when you turn the hub to the auto position. Drive around and look at how many front driveshafts are turning. Most of these guys don't even realize they are driving around with the front end locked in.
Best bet is to service the front hubs and determine if they are working alright.might take a bit of work, and will fail again, or change them out for a quality aftermarket set.
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Senior User
Joined: May 2005
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ahhh, now i see. i figured when he said "If I get out and switch the hubs from 'auto' to 'lock'" that he had the regular manual hubs, and was just misinterpreting the switch positions, or overlooking them completely. my apologies, i stand corrected.
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