Question about 2000 Ford Expedition

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I have a 2002 ford expedition and it slips into 4 wheel drive every now and then. It happened in July and then again tonight?

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  • yadayada
    yadayada May 11, 2010

    u need to have the transmission tested for stored trouble codes in the control unit.

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The electronics is malfunctioning for the 4 wheel drive. if the button is sticking in-between 2-4 wheel drive it could cause this problem. have fluid in the transfer case checked because if that is low it could also cause it.

Posted on Dec 31, 2008

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Why does my 4 wheel drive not work all the time?


Elaine,

not work, do tell what makes you think it dont work (a lamp) or tires slipping or dead tires. (by tires mean that and traction)??????????

what mode fails, of the many, and where.???????



first off, we dont know what your tires are touching.

on road, or off road. pavement or ICE or snow.

that matters big time . (you read manual and match MODE to Road)

your lost operators guide explains all that, right?

eg: how and when to use, 4wd, its all there. I promise.

ControlTrac 4-wheel-drive system



here are the mode. which one , gives you problems.



quote ford with comments.



What are the modes, and how do they differ?

(note this is the operational behavior of a 2008 Ford Expedition. Newer and older Expeditions will vary only slightly)



2H 2-wheel-drive with high range gearing (1.00:1) Rear-wheel-drive capability,

2-wheel electronic traction control system is enabled



4A 4-wheel-drive Auto with high range gearing (1.00:1) Full-time all-wheel-drive capability, ((best on pavement or any time)

Electronically adjusted torque split to front & rear wheels, Electronically variable center differential,

Front driveshaft & rear primary driveshaft allowed rotational speed difference,

4-wheel electronic traction control system is enabled



4H 4-wheel-drive with high range gearing (1.00:1) Part-time 4-wheel-drive capability, (not for dry pavement EVER)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled



4L 4-wheel-drive with low range gearing (2.64:1) Part-time 4-wheel-drive capability, (off road usage, mostly)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled, ESC and RSC are disabled



In 4A mode the center differential is electronically-controlled and rear drive wheel bias. The on-board computer monitors for any sign of rear drive wheel slip (loss of traction)

If loss of traction is detected, the center differential is told to send a share of the engine\'s torque to the front drive wheels. It will not let the front driveshaft turn at the same speed as the rear driveshaft.



What about traction management?

1997-2002 model Ford Expeditions offered an optional limited-slip rear differential (LSD). A conventional open rear differential was standard along with the conventional open front differential and the electronic locking center differential.

comment with out LSD, one tire can spin, on say ice.

but the other 3 tires dont, in full time.

Jul 04, 2014 | 2003 Ford Expedition

1 Answer

2002 Expedtion 4x4 light does not come on


There may be some loose whires going into your transfer case which will disable the 4x4 light, your speedometer, and cruise control. And if u were in 4wd when a wire became loose then it will stay in 4wd until fixed. Also check any vaccum lines not connected.

Dec 07, 2012 | 2002 Ford Expedition

1 Answer

My 02 Ford expedition started to shake when I turn it on what should I do


If your vehicle is a 4 wheel drive, than you are probably driving in 4low or 4 high on dry pavement. Put it back in a4wd (automatic 4 wheel drive) position and this shaking when turning should stop.

Feb 03, 2012 | 2002 Ford Expedition

1 Answer

I have a 2002 ford exoerdition with 30000 miles on it. i never used the 4wheel drive. wen i did for the first time this year. it went in, an wen i went to turn it off, it did, but now i am having proplem...


The system may still be stuck in 4x4 even though you have turned it off and it appears to be off. If it is still in 4x4 it should difficult to make tight turns on dry pavement due to the vehicle wanting to buck and **** as it tries to turn while all 4 wheels are trying to rotate at the same speeds. The driveline may also whine if you are driving in a straight line on a dry/hard road surface.You may have to have the vehicle lifted up on a hoist so it can be test run with all 4 wheels of off the ground to determine if indeed it is still stuck in 4 wheel drive. I see this type of problem with 4x4's several times each winter [not just Fords] so it can happen. Good luck, hope this helps!

Mar 07, 2011 | 2002 Ford Expedition

1 Answer

On a 1997 ford expedition, how do you change from 2wd to 4wd?


If you can't find the 4 X 4 switch, then your expedition is probably All Wheel Drive and it will not have an on or off. If it is "all wheel drive" it is like it is in four wheel drive all the time and will kick in when it feels a wheel slip. Check your owner's manual and you will probably find that it is all wheel drive. Hope this helps.

Dec 31, 2010 | 1998 Ford Expedition

1 Answer

My 1999 Ford Expedition 4 wheel drive service light on the 4 wheel drive is on..saying "service 4 wheel drive"? what does this mean and is it harmful to use the 4 wheel drive with the light on?


Usally these warning lights come on for a reason.
I would have someone plug a OBD II reader in and retrieve the code.
The code should be able to tell you specific information on why the light is on.
Until you find out I would not us the 4 wheel drive function.

Feb 07, 2010 | 2003 Ford Expedition

2 Answers

My 2000 Expedition seems to bind when making left and right turns. The back wheels appear to be dragging.


you need to check the front axle U-joints out by the wheels,they start to bind up when you make sharp turns,the U-joint won't flex and will need replaced

Jan 15, 2010 | 2000 Ford Expedition

1 Answer

I HAVE A 97 FORD EXPEDITION THAT STUCK IN 4 WHEEL DRIVE


Possible solution..Expedition uses a vacuum solenoid on the firewall that controls vacuum to the 4-wheel drive actuator. Vacuum "unlocks" the 4-wheel drive, so you may have a leak in the line to the actuator so the 4-wheel drive is always on. Seems backwards, I know.

Dec 07, 2009 | 1997 Ford Expedition

1 Answer

1998 Ford Expedition XLT 4 wheel drive switch is frozen in 4H


solenoid switch that engages the 4WD more likely will need replacing. fairly cheap to fix replace.

Oct 11, 2009 | 1998 Ford Expedition

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