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    Gear oil leaking from passenger end of front axel.. Advice?

    This seems to me to indicate that at least SOME 2003 (maybe all??) front diffs are of the old type, which require the retaining clip to be removed via the differential cover before pulling the axel. I am sorry if this thread mislead you. I thought that 2003 and 2004 were the same in this...
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    Gear oil leaking from passenger end of front axel.. Advice?

    I am uncertain how to answer. "what a beast that was" makes me think you had to really yank/bang/pull to get the axel out. Without the circlip, it *should* have just slid out. Very little or no resistance. If the "what a beast" comment pertained more to taking rest of the front end apart...
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    Gear oil leaking from passenger end of front axel.. Advice?

    AKFordGuy -- yes, for 2003, the only required parts are the seal and a new circlip. Thatbeing said -- you will have to remove the CV joint and hub to get the axel out. I replaced the top yoke and the bottom ball joint, steering ends and the rest of the suspension while I had it all appart...
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    Air to Coil Conversion

    There will be an error message on the digital display each time you start the vehicle, saying that the air suspension is not functional. Easy enough to ignore it. This applies to 03-06. There was a way to "fix" earlier models, but not 03-06 You just hit the reset button every time after you...
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    Ways to improve 4wd in 2005 expedition

    The discussions here might be a tad off -- as far as I know, the 03-05 series has an electric clutch in the transfer case that ingages power to the front diff. There is no vacuum in the front diff, but there are vacuum actuators at each hub. Now, those actuators are made to "fail safe" --...
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    Air to Coil Conversion

    I don't think you can do just the rear in 03-6 expy. The computer will not like having the rears removed and the fronts still in there. If you are trying to do this on the cheap -- here is a set of 4 on eBay for under $400...
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    Core support/radiator support rust at frame??

    Well, it really troubles me -- clearly a design flaw of some sort, since there's so little rust elsewhere. I looked things over some more. Looks like when it starts to actually collapse, the core will drop to the frame about 1.5" below. I might be able to jack it up and stick a 2x4 in there...
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    4WD trouble

    2003 - 2006 have vacuum lockout hubs on front. The way they work is that vacuum pulls a ring gear over, and then the CV joints are no longer coupled to the hubs. When they lose vacuum, they engage. If they partially lose vacuum, they can partually engage and rattle, catch and destroy...
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    Core support/radiator support rust at frame??

    Anyone else have this in the 03-06 trucks? My 04 has very little rust at all, BUT up front, where the core/radiator support sits on the rubber pads between it and the frame -- the core support is flakeing off, with deep rust and damage. Only real rust on the vehicle... I was under the...
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    2004 EB Air Suspension Parts. Value?

    I removed the air suspension from my 2004 EB. Posted up a How-To here even. Like the rancho shocks fine. But I have the old stuff sitting around still, gathering dust. The rear bags held pressure for days, the front ones would leak down over 12-24 hours. Whats worse, i put a remaned air...
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    Who has the most miles on the odometer of their expedition?

    2004 EB with 165k Bought used from a visiting nurse that was clocking 30 k miles per year. Wow.. Think how much gas that was..... Issues: leaking right front tail housing seal, hopefully fixed now, leaking rear dif pinion, just squirting more oil in for now. BIG issue: air suspension...
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    what transmission do I have?

    No, I meant 4R75W -- there are many posts out there that verify this. For a while at least in 2004, Expeditions got the 4r75w Its possible that some folks have it and don't even know it. It looks pretty much like the 4r70w. Apparently, the 4r75w and 4r75e are very similar, with the only...
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    What is the best

    Man, just about any of the full synth 75w140 lubes are going to be perfectly sufficient. Just make sure to add the LS additive if you have a LS diff.
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    trailer brake controller position

    My Tekonsha did not require perfectly level attachment. Works great right ahead of my right knee. Sorry to be a nudge, but perhaps it would be better to go with a more mainsteam controller that has the newer technologies that allow a little tilt. FWIW -- the Tekonsha bracket was almost...
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    Worst year(s) expy made

    FWIW, I researched quite a while before I bought my 04. Seems like the years to avoid generally are the years where there were major changes. So 97, 2003, 2007. You have heard about the plug issue, but I am not sure that would sway me. I found a couple sites that tracked complaints. 2003...
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    trailering

    I agree with last post. Unless the tongue weight is messed up, you should not need a load dist hitch. I pull a 2 horse trail, 3500lbs dry with a 1200 lb horse and its dead solid at 4700 lbs. This is with a 2004, but they have only gotten better over the years. Another poss: What is your...
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    Upper control arm

    When I swapped my air suspension for coils, I put the bolts in the wrong way when I replaced the upper arms. Once I realized this, it was too late, as the coils were back in. As far as I could determine, you need to remove the coil/shock unit to get that bolt in and out. Thats what I did...
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    what transmission do I have?

    My 2004 EB with towing package got the 4R75W according to the Ford Build Sheet. Just saying....
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    Pretty good deal on Rancho QuickLift Loaded for 03-06 FYI

    I didn't do it for the lift. I couldn't care less about lift. I did it to get rid of the air suspension, and the rancho stuff seemed cheep, with a warranty to boot. The ride height is the same as in 4L ( where the air suspension pumps up and lifts the vehcile to max height) in the rear...
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    pretty please, answer me this riddle!! (=

    OK, another try. Scared of high mileage? No, you should not be. But. Vehicles that are high mileage have either been maintained, or not. You have to spot the signs. See above.... Keep in mind, a "low mileage" vehicle can be poorly maintained and beat to crap as well. With your...
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    pretty please, answer me this riddle!! (=

    There are several threads, but sometimes searches are wierd... What to avoid: 2003 model year. Period. I have found several sites that document problems and the 2003 is the worst of the 2003-2006 by far... LLS. (airbags) Expensive to maintain and when it dies, you must have it fixed...
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    Gear oil leaking from passenger end of front axel.. Advice?

    First, beware that the second post that describes dropping the whole front axel is NOT applicable to 03-06. You do not have to do it that way. I sucessfully completed the fix this past week, as part of a larger front end overhaul with new springs (got rid of LLS air). You have to remove...
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    Pretty good deal on Rancho QuickLift Loaded for 03-06 FYI

    I bit the bullet and decided to ditch my LLS air suspension on my 04 EB Expy. Although Rancho does not have a great name in some parts, and their website search engine does not list parts for the 03-06 Expy, if you go to their .pdf catalog you can find the parts numbers and since installing...
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    Transmission 4R75W fluid change on 04 Expedition -- my experience...

    Did a fluid change on my 04 Expedition yesterday. 164k on the original fluid. It looked OK on the dipstick, with no bad smell, but in the pan it was pretty dark. There was some fine ferrous sludge on the magnet and a good number of fine bright non ferrous flecks that I could see in the...
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    what price did you pay for your expy?

    2004 EB loaded, 162k, private purchase 10/2010 -- $8700 Never wrecked. driver seat wouldn't move (since fixed), Driver lock stock (since fixed). CD changer (in dash) stuck, no bother to fix as you can input ipod via the DVD player system. Has some leaks in rear pinion and front axel...

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