1994 ford explorer 4 wheel drive not working

4WD not working on 2001 explorer sport

Ford-Trucks.com https://www.ford-trucks.com > forums > 1211319-4w...
Dec 21, 2012 - I had a similar problem with no response from 4x4 toggle (2004 Sport Trac), but fuse was blowing. Turned out to be the 4x4 transfer case shift ...

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2001 Sport Trac 4x4 does not engage.

Explorer Forum https://www.explorerforum.com > forums > threads
Mar 23, 2020 - First try unplugging the module and cleaning with contact cleaner and plugging back in a few times and see if that helps. That trick didn't work for me but it's ...

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swithc it to 2wd drive and put it in reverse,it might come out of 4wd that way

all wheel drive vehicles have to work at both ends all the time unless you have a major failure in the drive train. That is why it is called all wheel drive as opposed to 4 wheel drive. With 4 wheel drive you have the option of rear wheel drive or 4 wheel drive and normally in a high ratio or low ratio gear selection. With some all wheel drive vehicles there is a selector that locks the middle diff and creates a 4 wheel drive option without the high/low gear ratio option. So in practice if the both front wheels are in the bog then there is no all wheel drive as the centre diff is working as it should and placing all the action in the rear wheels which will not be turning as they have traction so the front wheels spin faster.. If you have a centre diff lock option ensure that it is operational.

Something you can do is to tap the 4/4 motor under drivers side on the back of transfer case with key on engine off. Have someone work the buttons as you gently tap the motor. Don't hit so hard as to dent it. Usually works.

Why would or how would a vehicle know it was snowing,
and needed 4 wheel turned on?

Of coarse you have to select a button to turn it on or off

That said, it may not be working correctly,which is what your
parents told you!!

Sometimes this would require a little "elbow greese"lol. If you have correctly taken everything off then try spraying some penatrating lube on the studs, front,and back of the rotor.

they should be under the hood.

I miss spoke...What had happen was that my front end was turning but hubs were not engaging...finally figured out automatic hubs were bad... when my ex had it she had a bearing repacking done, but they also put grease in hub.. wore down parts.. hope that helps..

Since it seems no one has answered in 3 days I will say something. Some of the 4 wheel systems use vacuum to lock and unlock the 4 wheel system. There are solenoids in the transfer case which adjust the functions into 4 wheel auto, 4 wheel, and 4 wheel low settings. On the units that use electric, the electric strength or power determines how far the electric solenoid extends or travels to change gear functions. These are sensitive electric settings. A burned out dashlight factory wired into that circuit can change the result of what 4 wheel function you will receive. So will a bad connection of a plug-in to the transfer case.

A technician can test the wires to the transfer case and see what electric readings are going into the transfer case when the dash is set to the different dash settings. Besides a Dealer, a really good transmission shop can perform this test.

First check your 4 wheel drive switch to make sure it works, for on an off settings. (Use a volt-ohm meter for this. On should show continuity in the readings (if digital then it should show zeros in the dial) Off should show no continuity or 1.0 in the dial.

1. Check your fuses.
2, IF OK, then check your FUSE LINKS.
3. IF OK, then check your 4 Wheel Drive relay in the fuse box.
4. IF OK, then check continuity of the wires harness to the 4 wheel drive switch for DC voltage.