Question about 2001 Ford Explorer Sport Trac
Controlled by knob on dash. When I need it to release from 4WD to 2WD, it won't disengage. I have tried it while moving slowly, from dead stop, turning the vehicle off then back on...no change.
Trying putting the car is reverse gear drive it a few yards, it may solve the issue the other thing could be that the switch has gone bad.
Posted on Nov 19, 2014
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Posted on Jan 02, 2017
SOURCE: Clunking from front end in 2WD
ASE mechanic here:
check the king pins in the front end and the u joints for any kind of play. sounds like front end play while four wheel drive is engaged and stills is affected for a while when two wheel drive is activated. this year truck most definitely has a manual four wheel linkage that could be the problem too. try lubing up any moving linkage and i would shift it in neutral. keep me posted
Posted on Jan 26, 2009
There is a motor on the rear of the tranny that switches this. check the plug and it is easy to remove the motor and test its operation. then there is a keyway that you can easily turn with a small blade screwdriver...., Odd but there are no vacuum hoses going to the transmission... OH rats unless it is an automatic... but still the 4WD shifting is electrical..
Posted on Jan 29, 2009
SOURCE: 4WD SWITCH INOP
Mine did the same thing. The guy at the repair shop thought it was the 4wd motor. He ordered one in and it happened to be the wrong one. He then figured out that it was the computer.
Posted on Feb 02, 2009
SOURCE: 2004 Sport Trac stuck 4x4 low
Start the vehicle put the 4x4 switch to the position the light on the dash states it is in. then put it in nuetral, hold your foot on the brake switch the 4x4 switch back to 2wd wait a few seconds and the light on the dash should switch back to 2wd. and you should be back in 2wd
Posted on Jun 11, 2009
If the switch was in the 2WD position and the transfer case was locked in a 4WD range, my 2 SWAGs would be bad switch or the connector to the shift motor is damaged / corroded or the fuse to the transfer case shift relay module is blown ( fuse # 17 ) / problem with the transfer case shift relay module.
This is without knowing if the truck was used in 4WD the night prior, and shifted out just before turning off. If this is the case, the shift motor might be stuck, and a few hits with a dead blow hammer to the transfer case might jar it free again ( do not use a metal hammer, it could damage the transfer case ).
The vacuum shift solenoids on the firewall are controlled by the GEM ( Generic Electronic Module ) which is grounding either the 2WD or 4WD solenoid, depending on the shift plate contacts in the transfer case. ( when in 4 or 4H, the contact switch plate signals the GEM, which in turn grounds the correct solenoid ).
Pulling the switch will not cause the transfer case to go back to a default position, the switch has a resistance level for each mode, and needs that value to operate the shift motor.
The resistance values for the switch between the 2 dark blue wires:
2WD - 4100 to 3700 ohms
4H - 1050 to 1150 ohms
4L - 380 to 340 ohms
- find the wire locations on the switch, mark them and remove the connector to test the resistance.
Just my opinion on the order :
1. Check the fuses for the shift motor
2. Try the old school shift method, back up ~ 50' put into park or neutral, and shift from 4WD to 2WD.
2.1. This is to see if the transfer case shift motor is bound up, and reversing might release it
3. Try hammering the transfer case with a dead blow hammer while someone shifts from 2WD to 4WD. You only need the key in the run position, if it happens quick enough after running the engine, the vacuum reservoir will still have enough vac to operate the solenoids. Don't chance running yourself over.
3.1. If this frees up the shift motor and the vacuum has bled off, you can try starting the truck and shifting into 4H then back to 2WD to get the front axle to disconnect or manually vacuum operate the front disconnect motor by applying vacuum to the pink vacuum line on the shift motor on the front axle.
Posted on Mar 20, 2011
Tips for a great answer:
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----------------This will help.Thanks.
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