My SUV is stuck in 4 low and I can not seem to get it out I have tryed putting it in neutral and then switching the button but nothing I have also tryed putting it in reverse and then switching still nothing is there anything that I can try without spending a fortune on servicing the truck?
I had that same problem the motor that runs the shifting goes one way and gets stuck you have to go under neath and find the shift motor and tap it softly with a hammer or if your some what mechanicaly inclined take it off and lube it up this ussally happens when the 4x4 dont get used often
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This is very strange because of How the low range is engaged. I drive a 1999 F150 4x4 which has the same dash and controls for the 4x4 as your Expedition. I do know that the fan control switch is unfortunately the same shape and very close to the 4x4 switch. It is easy to grab the wrong knob and turn the wrong thing than was intended.
My initial impression is if it is possible, your girl could have reached over to move the fan switch and actual grabbed the 4x4 switch instead. Or you were warming up the Expedition and meant to turn up the fan and instead turned the 4x4 switch to Low. Or a backpack she was moving with schoolbooks could have hit the switch. What puzzles me is that to go into Low range, you need a foot on the Brake and simultaneously need the gearshift in Neutral and the 4x4 selector in Low. That is 3 things to make the low range happen.
Even if your foot was on the Brake and the sensors caught the gearshift going through Neutral on its travel to Park, the 4x4 Selector would have to be in Low. There is one problem you can have with the 4x4 Selector.***The Selector has 3 Resistors and a LED bulb.***
You stated the Selector switch was good. This would mean there were 3 different Voltages under the vehicle. Sometimes when the LED bulb burns out, it shifts the Voltage out of range for the Servo, and although the Selector says one thing, the Voltage at the Servo has the wrong value for that function. Since the dash light and the Servo agree on Low, it would seem the Selector is out of sync with the other 2 parts.
I hope my solution is very helpful in solving your problem.
My wife just recently had a similar problem. She got stuck in the mud and put our 2004 F150 in 4x4 Low to get out. She didn't. Had to have AAA pull her out. She then left a bit later and the truck was still in 4x4 Low even after switching to 2WD. She even tried going backwards to get it to switch. So she called me frantically and I said I'd call her back. So I called our local Ford Repair shop and he gave me these instructions (loosely based on what the owner's manual says to do)
1. Start Vehicle
2. Switch to 4x4 Low
3. Put in Neutral
4. Switch to 4x4 High
5. Go in Reverse for a bit and then Forward a bit again
(You should now be in 4x4 High)
6. Put in Neutral
7. Switch to 2WD
You should now be good. If that didn't work, then try repeating step 5 after step 7.
I disconnected the electronic control on the transfer case and it seems to have unlocked the 4x4
At the back of the transfer case, near the top, there is a connector. I unplugged it and that seems to have disconnected the 4x4. My 2002 Explorer was stuck in 4x4, even though the 4x4 light was not on and I hit the Auto button a lot.
In order to get it to shift in or out of 4 lo the transmission must be in neutral with your foot on the brake and moving less than 5 mph. If it still does't change try tapping the shift motor with a block of wood, it could be stuck