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I have changed trans 3 times in my 98 ford expedition and it goes out within a week. I was told there is no line pressure. How can I tell if its stuck in limp mode? What do you think the problem is?

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Your shop is not honest or incompetent if they changed 3 transmissions and they only last a week. The front pump of the trans provides pressure. Limp mode is determined by the PCM is has no bearing here.

Posted on May 20, 2017


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What is the radiator dimension size for a 1998 ford expedition 4.6L 2x4

For a 98 Ford Expedition, I've found an aftermarket manufacter that specifies this measures, just for the radiator core:
Height.- 31-7/8"
Width.- 16-3/16"
Thick.- 2-1/4"
Inlet/outlet .- 1-3/4"
But before changing the whole part, you should have an expert opinion first, because not all overheating problems are a radiator failure.

Jan 20, 2015 | 1998 Ford Expedition

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Why won't my 2001 ford expedition not go forward in any gear, but will go in reverse

You need a trans overhaul. Sounds like input shaft isn't turning. You have reverse because the front pump provides full pressure to reverse. Forward speeds require the converter to turn the turbine, which the input shaft is supposed to do.

Jun 29, 2014 | 2001 Ford Expedition

1 Answer

What is it when the overdrive light keeps flashing while in drive and jerks while driving?

If you have been using it like that for a week or more
your going to end up rebuilding the trans
Google the question
You can read all night
4R70E trans problems
I would think you would have gotten the codes &
diagnosed within a day or two,with a trans not doing
so is a death sentence
Have you changed the fluid every 3 years 30,000 miles
since it was new & on all your vehicles,their pretty much
done out of the gate if you haven't

Aug 14, 2013 | 1998 Ford Expedition

1 Answer

My 98 ford expedition has a rumble when I go over 45 mph sounds like grinding and the whole truck shakes I was told it might be a trans problem any suggestions

Have the people that tell you things actually ride with you

You probably know more than they do

If you have no vehicle experience at all, then you will have
to pick up someone at a shop & take them for a ride

You could have transfer case problems
Drive Shaft
Wheel Hub Bearings

If the trans was that bad you would know it

It may be a problem & not work correctly, but to shake
the truck, I doubt you would be here or using it

Mar 07, 2013 | Cars & Trucks

1 Answer

I have a 1999 ford expedition 4x4 with 163,000 runs great gets regular maintenance. This morning i noticed the truck running weird. The rpm was getting up to 3 to shift at 30 mph. the truck was warmed...

There are no new transmissions avail

Their only new one time off the assy line

Transmissions or rebuilt locally or remanufactured

Could be the solenoids inside the trans pan
otherwise the trans is slipping

I wouldn't use it at all untill resolved

Ten miles of driving with any slipping you will ruin it

There is no reason to do something not needed or over charge
you or any other thing if you educate yourself & ask questions
& be at these shops & ask for proof of what is told to you

Do not go to a dealer,then you will be a victim of fraud & over charged

Any trans shop will want to rebuild it whether it needs it or not but
that is where you have to go.

Jan 30, 2013 | 1998 Ford Expedition

1 Answer

Want to know where the vss sensor is because the i took my 98 expedition4*4 5.4 engine and they forgot to plug the sensor

If you get under the truck the wire harness connector
will only reach the sensor it goes to

You will see it most likely near the tail or back end of the
trans on the side or top

It will be the only sensor that is not connected

Why not have the shop do that?

Oct 03, 2012 | 1998 Ford Expedition

1 Answer

Is there a drain plug on a 98 expedition torque converter??? How can it be serviced


Don't worry about draining the converter

You can change your fluid 3 times, if you like

Drive a week or two in between, to be sure
it doesn't slip and shifts correctly

Feb 13, 2011 | 1998 Ford Expedition

1 Answer

My 2004 Ford Expedition has 75,000 miles on it and last week, the transmission started slipping when shifting from 2nd to 3rd. This only occurs occassionally. Any suggestions?

you have a internal pressure seal leaking or a defective valve body check ball, changing the trans fluid and filter can cure this if you haven't let it go on to long, if you keep driving it the direct clutch will be damaged and you will need a new trans.

Aug 06, 2009 | Ford Expedition Cars & Trucks

1 Answer

98 Jeep Grand Cherokee Stuck in 1st gear!

I would drop the trans pan and change fluid & filter. If you find an extreme amount of debris in pan, filter may have become partially plugged, which can lower internal pressure. Only problem is that if there is enough debris to plug up filter, it indicates wear inside unit, which a fluid change will not correct (no chemical will) But, if problem becomes somewhat better after oil change, an additive such as Lucas conditioner may prolong useful life somewhat.Otherwise, have unit rebuilt.
good luck

Mar 04, 2009 | 1998 Jeep Grand Cherokee

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