Question about 1998 Ford Expedition

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'98 Ford Expedition - 4WD/AWD won't engage. The switch to engage the 4WD/AWD does not light up and the 4WD/AWD will not engage. No engaging noises or anything. It's as if the switch has disconnected itself from the rest of the system. I visually checked the following fuses according to the owners' manual and they all look fine: UNDER DASH 5 - 5 amp 6 - 5 amp 7 - 5 amp 17 - 10 amp 23 - 10 amp 24 - 10 amp (I thought this one or #23 would be the problem) 29 - 5 amp UNDER HOOD 17 - 30 amp Is there possibly a simple solution for this problem? A fuse I'm missing? The switch itself? It seems like it's electronic in nature rather than mechanical. Possibly related - maybe not: The heater has stopped blowing hot air through the front vents. The problems seem to have started at roughly the same time, so I thought they might have something to do with one another. Thanks in advance for any advice you can offer! H. Eric Mayse mayse@optonline.net

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I had a similar problem, but not exactly the same. In my expedition 98 the A4WD worked, but the 4x4 hi or low did not. Ford dealership diagnosed it to be the transfer case shift motor. I bought one from ebay for $85 and replaced it myself and it works fine now. They wanted $450 to replace it.

Some say you can tap the transfer case motor with hammer, but gently and it may come to life. I didn't try that.

Posted on Jan 23, 2009

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-----------

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-------------

Car will not go into 4WD high or 4WD low?


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Click the link below:---
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Car will not go into 4WD high or 4WD low?


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http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

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http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

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I have a 1998 explorer and the 4wheel drive will switch on like it should and the lights do not blink or anything but I can tell the rear end doea lock in low but never any power to front axle in any...


On these issue,there are few solved help links for troubleshooting the issue easily.-------

Click the link below:---
No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

-----------
4X4 Truck makes roaring noise in the front end?

http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html

-------------
Car will not go into 4WD high or 4WD low?


http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

--------------
No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

------------
4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

----------
4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

----------
2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

----------

Traction control switch will not engage on 4WD High or Low

http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

-----------

4WD light flashing and 4WD will engage after few minutes

http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html

------------
2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?

http://technoanswers.blogspot.in/2012/05/2008-toyota-tundra-4x4-wheel-drive.html

----------
4x4 front differential will not engage the axle on ford?

http://technoanswers.blogspot.in/2012/02/4x4-front-differential-will-not-engage.html

-------
4x4 will not engage on Ford F150? http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html

-------------
Dodge Ram 4x4 light keeps flashing 4X4 LOW LIGHT IS FLASHING ON DASH

http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html

----------
Ford 4x4 front wheels will not engage?

http://technoanswers.blogspot.in/2012/02/ford-4x4-front-wheels-will-not-engage.html

-------------

These details will help.

Thanks.

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