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ESOF Reliability

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Old Jan 22, 2010 | 01:04 PM
  #16  
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smlford
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Put me down as another satisfied customer. We are using the ESOF weekly on jobsites and it has never let me down in 75K of hard driving.
It sounds like from the posts above that those of us who use it on a somewhat regular basis seem to have less problems than others...
 
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Old Jan 22, 2010 | 05:48 PM
  #17  
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seville009
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I understand what he is saying about the 4x4 engaging/disengaging quickly, but the hubs being slower.

When I'm done plowing, I park in the garage at a sharp angle to fit in. To do this, I shift it into 2wd. If I do it just as I'm entering the garage, I'm only driving about 15 feet and the hubs will still be locked (even though the 4wd light is off) and I cannot make the sharp wheel turn. However, if I shift into 2wd for about 30 feet (or even if I back it up after shifting), it will disengage completely. This is on a 2006 F350.
 
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Old Jan 22, 2010 | 06:19 PM
  #18  
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Wagion
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I guess I don't have to much to add my 08 has manual hubs and manual transfer case. It wouldn't have power windows or locks either but I didn't have much choice in the matter.

I only have 5000 miles on my truck so wouldn't expect there to be any problems but I also don't like to complicate things why replace a lever with a motor, wires, switch when the lever works just fine.

I have seen a lot of threads on here with people having problems with the ESOF
 
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Old Jan 23, 2010 | 07:53 PM
  #19  
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FireMe
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From: Northfield, MI
Originally Posted by seville009
I understand what he is saying about the 4x4 engaging/disengaging quickly, but the hubs being slower.

When I'm done plowing, I park in the garage at a sharp angle to fit in. To do this, I shift it into 2wd. If I do it just as I'm entering the garage, I'm only driving about 15 feet and the hubs will still be locked (even though the 4wd light is off) and I cannot make the sharp wheel turn. However, if I shift into 2wd for about 30 feet (or even if I back it up after shifting), it will disengage completely. This is on a 2006 F350.
The parts in the transfer case that move the shift collars to engage and disengage the front drive are spring loaded. If the collar has stress on it due to bind from turning or accel/decel, the collar will not move until the stress is released by backing up or goosing the throttle, even though the shift motor has moved itself to the 2wd position and turns the dash light off. The hubs also operate the same way and won't disengage with stress on them as there is only a light spring that moves them to the disengaged position.

It's similar to trying to pull a manual trans out of gear while accelerating. You can't do it until stress is removed from the gears.

The hublocks should actuate within a matter of two or three seconds. If they don't then there is either a leak or restriction in the system.


Jay
 
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