18-FX4-GUY
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That pic is the Icon lift not out yet, Expedition done by By LGE CTS Motorsports
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Expedition takes on Goldmine hill
- Thread starter JExpedition07
- Start date
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18-FX4-GUY
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This was the destination. Was an awesome off road day. A good size all year round running spring in the middle of the desert.
Sent from my SM-G965U using Tapatalk
Sent from my SM-G965U using Tapatalk
18-FX4-GUY
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Just more of fort and map of area.
Sent from my SM-G965U using Tapatalk
Sent from my SM-G965U using Tapatalk
Have you actually confirmed with ICON they are going to produce it?
I spoke with them a month or so back and was told they had zero intentions of doing anything for the Expedition.
They did a one off set for a 2007 for Adventure Driven too but they aren’t available.
If so my 2016 would be done with those in the rear and the fronts from an F150.
I spoke with them a month or so back and was told they had zero intentions of doing anything for the Expedition.
They did a one off set for a 2007 for Adventure Driven too but they aren’t available.
If so my 2016 would be done with those in the rear and the fronts from an F150.
18-FX4-GUY
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CTS sent me a mssg saying it should be soon when I asked last week, so I'm hoping.
Interesting.
FX4ord
Member
Joined this forum just to talk about how wrong this video was, he didn't know how to pilot it at all, it doesn't have a locker, and it kept operating at reduced torque likely to keep from breaking something. It does have car tires, those terrible terrible tires plus 4L engaged with 470 lb/ft equals a spin fest in that terrain, that said, had he not be afraid and driven it properly he would have made it, no way it can be stopped by that and a Honda Ridgeline and Pilot make it up. I believe if he kept the system in 4A and used one of the drive modes which locks the "center diff", the system would work better at putting power to the correct place.
shane_th_ee
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Are you sure on that?
OP
OP
JExpedition07
That One Member
Andre had no clue what he was doing. He kept saying the rear had a locker and the front was LSD, completely incorrect. The rear only is eLSD that can simulate an E Locker. The locker was what kept dissengaging on him due to overheating. He kept saying it was the front LSD, which these trucks don’t even have. Bad tires, bad and uninformed driver. But yes FX4ord the FX4 does have a locker mode.
FX4ord
Member
Yes I'm positive, I don't consider and electronic limited slip differential with a locking mode a locker, because it's not. If it had a real locking rear Ford would say that over eLSD, as a true eLocker like on the F150 is far superior than an eLSD. I think that's why E lockers replaced the TracLoc limited slips on the pick-ups...
Now if it actually has electronic limited slip + e locker I'd be floored...
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shane_th_ee
Full Access Members
The FX4 Expedition has an electronic locking rear diff. It uses a hydraulic pump to activate a set of clutch packs in the rear diff to lock the rear axles. It's a more expensive/complex setup than what's in the F-150... We'll see if it's less robust given the extra complexity.
See here and note the hydraulic pump: https://parts.ford.com/shop/en/us/differential-assy-6513577-1
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OP
OP
JExpedition07
That One Member
You have a good point here, the eLSD locker function didn’t perform very well in this test at least. Where the eLD in the F-150 with the locking tab would never shut down in this situation due to an overheat. He could have completed this course locking diff on or not. Control Trac 4WD works with the BorgWarner TOD transfer case and controller as well AdvanceTrac system. The ABS wheel speed sensors monitor wheel slip in 4WD and supply what is called braking bias to send torque to wheels with traction. ControlTrac is a pretty advanced system, and it’s been so since the 2nd gen expy. The EcoBoost doesn’t perform as good as the 4.6L & 5.4L V8 in 4L because it doesn’t have the off idle torque and rotational mass. A bit more challenging to drive in this situation as throttle input isn’t as smooth or controlled as the V8 in low range gearing.
Had he given some momentum or patience and thought he could have gotten through. Let’s juts say he’s not the most versed off road driver.
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shane_th_ee
Full Access Members
I think we can all agree with this 100%! Well, that and the Michelin Primacy's are a joke.
shane_th_ee
Full Access Members
Holy crap!! Against all intuition the drive mode really matters! The marketing materials kept using the word "patented". So I dug around and found the patent: https://patents.google.com/patent/US20170089439A1/en
Specifically from sections [0009] and [0010] on page 1, the system sets a maximum output speed, above which the locker will disengage. Furthermore, that speed depends on the user selected surface. The patent specifically mentions that if the user selects a pavement mode, the locker will disengage at low speed as opposed to "sand" where the locker will disengage at high speed.
In the video Andre never bothers to select a drive mode! They never even mention that there is such a selection, he just skips straight to 4L and the the rear locker button. So his Expedition still thinks its on the street. And then he drives onto a loose surface with crappy tires where ALL FOUR WHEELS SPIN!! This results in his "locker disengaged" error, not because of heat build up*, but because the output shafts of the rear differential are rotating faster than "pavement" mode and, therefore, the locker disengages exactly when he needs it the most.
*Hint: if the differential is actually locked and not slipping, it's not building up heat. But nobody gave the software folks a requirement to do anything more than tell the operator that the truck has decided to disengage the locker.
Specifically from sections [0009] and [0010] on page 1, the system sets a maximum output speed, above which the locker will disengage. Furthermore, that speed depends on the user selected surface. The patent specifically mentions that if the user selects a pavement mode, the locker will disengage at low speed as opposed to "sand" where the locker will disengage at high speed.
In the video Andre never bothers to select a drive mode! They never even mention that there is such a selection, he just skips straight to 4L and the the rear locker button. So his Expedition still thinks its on the street. And then he drives onto a loose surface with crappy tires where ALL FOUR WHEELS SPIN!! This results in his "locker disengaged" error, not because of heat build up*, but because the output shafts of the rear differential are rotating faster than "pavement" mode and, therefore, the locker disengages exactly when he needs it the most.
*Hint: if the differential is actually locked and not slipping, it's not building up heat. But nobody gave the software folks a requirement to do anything more than tell the operator that the truck has decided to disengage the locker.
shane_th_ee
Full Access Members
Sport mode?
it's a bit of a reversal of how things normally happen in the Expedition
For example I select eco mode but I select 4a by button, it overrides the default eco setting and changes from default 2H to 4a as instructed by me
Similarly if I select sport mode and I can select 2H and override the default sport 4a setting
But in this case the drive mode overrides me pressing the diff locker button. backwards to the previous examples
For example I select eco mode but I select 4a by button, it overrides the default eco setting and changes from default 2H to 4a as instructed by me
Similarly if I select sport mode and I can select 2H and override the default sport 4a setting
But in this case the drive mode overrides me pressing the diff locker button. backwards to the previous examples
FX4ord
Member
I stand corrected, Ford doesn't toute the locking diff but chooses to boast about the eLSD, I find that strange, also find it strange that it's got both..at any rate thank you for the information.
FX4ord
Member
I had read that the system was one of the more advanced 4WD system and was perplexed by the immense amount of wheel spin before it engaged, also made me think the 17 Expedition I'm eyeballing would be a step back in capability from my 02 F150. I won't let his lack of ability shy me away though. I demand they retest..
FX4ord
Member
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