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Ford Expedition Maintenance and Repair



  • Looking to buy 04-06 Expy with 75-100K miles. What items should I be most concerned with prior owner having maintained? What part failures should I anticipate over the next 3-5 years of ownership? I will be turning my own wrench for most simple repairs - tune-up items, O2 sensors, alternator, suspension components, not comfortable yet digging into the engine for head gasket type work or any transmission type work. Have the engines/transmissions been reliable on these vehicles? Are they prone to any mysterious electrical gremlins?
  • The plug change inteval is 100k. It is a big job for a DIYer, people report it taking 8-10 hours. There is a big issue with snapping plugs off in the head which makes the job take a lot longer. This typically happens in #4 and #8, which are the hardest to work on. It is a $300 job at the dealership. Tranny service interval is 30k, so depending on what you find you should see if the proper number of services have been done.
  • wedo43wedo43 Posts: 14
    Plan on replacing the coil packs per many of the threads here. You can get them on Ebay for about 10% of what the dealership will charge. These and new plugs a chore but not to bad if you have swivel socket gear.
    One thing I had to replace to the tune of about $1,500.00 was the intake manifold. Freakin thing is plastic, rots from the same moisture that affects the coil packs, and eventually leaks antifreeze.
    I've warped front disc rotors on every Ford SUV I've owned. I finally replaced this one's with Powerslot Rotors and Hawk Performance pads. Costs were higher than the cheap Chinese junk you get from local auto stores but about the same overall to have someone else do you brakes for you, ie you'd break even if you used these and did it yourself. The thing about them though was I got 90K miles or so out of the pads!
    I've got 160K on my '03 and that's about it. It's been a really good truck and baby bus.
  • cheapdad000cheapdad000 Posts: 33
    edited March 2010
    Thanks for the feedback/advice. Did the intake manifold replacement include any other services - as the parts themselves (manifold/gasket/etc.) look to be ~$200? I can't believe they made it out of plastic. Is the engine setup a 1 ignition coil per cylinder? I have dealt with that with my Mazda MPV, and in order to get to half of them (and the spark plugs), you need to pop off the intake manifold. Any tools I need (like swivel sockets) I get really cheap at Harbor Freight.
  • always,
    Thanks for the feedback. Is the tranny service a drop the pan and change the filter - or just a cycle fresh ATF fluid through the system? Does lathering the plugs in Anti-sieze prevent future plug snappings?
  • alwaysfords2alwaysfords2 Posts: 339
    edited March 2010
    You should always drop the pan and do the filter in my opinion. I always go to the dealer because their flush equipment will do a complete change of all the fluid. You should be able to tell if the pan has ever been taken down if you find a rubber plug in it. The plug is from when it was built and if they did changes by dropping the pan they would have taken it out and chucked it. Antisieze does help. then again the next change is 100k away.

    It is one coil per cylinder. Some people change them all with the plugs, some do them as they fail. The ebay equivalents have gotten good reviews on the other forums I frequent and are as pointed out, around 13% of the cost of dealer parts. The other thing that goes bad is the boot on the coil pack, and not the actual coil pack. Those are a few bucks each and can often times be the solution to a CEL.

    I had a '99 previously, and currently have an '03 and an '04. The 03 is the best car I've ever had. The '04 is my wife's best car ever.
  • dano126dano126 Posts: 1
    I've got a 2005 Expedition, bought with 64K on it. Its been a very reliable SUV. At this point its got 96,600 miles. The other day the steering was feeling different. After turning, the steering wheel seemed slow to return. This happened for a couple of days. I took it to my local Ford dealer and they flushed the power steering system. This didn't seem to make a difference right away. The following day, it was magically better, like it was never bad. Thinking too soon, the day after that it was back to the lag in return steering. Now its worse, when turning, it is easy then hard, easy then hard, then fails to want to return. There is no noise associated with the actions of the steering system. I've talked with a mechanic, he told me to open the reservoir to the pump, while running to see if I could see the fluid circulating...which it was, until the wheel was turned all the way to the turn stops and held there, then you could see that the fluid appeared to stop moving.
    Another thing he told me was to pull the presure side line off the pump and there would be a spring and screen. Check the screen to make sure it wasn't gunked up. He also said something about a check valve, but by then, my cell connection was degrading.
    So, if anyone has any information about the Expedition steering system, please don't hesitate to contact me. By the way, I checked Auto Zone for a rack...$376.00!!!!YIKES...but looks like I could do it my self if thats the problem.
  • I have a 2005 expedition with no compression in number 5 cylinder. I took it to the dealer to check out and he said I needed a new engine after doing some test. He wanted 7000 dollars for a engine with 12000 miles on it, mine has about 90000. I then took it to a friends garage and he pulled the heads and the problem is a weak valve spring causing one of the valves not to seal. I called the dealer service manager to give him a peice of my mind and he said they had so many problems with that engine, that they had found that when they repaired a leaking valve that over fifty percent of the time they ended up having to go back and replace the engine and it ended up costing much more than just replacing the engine to start with. I'm having the heads redone at the machine shop but after talking to the service manager I can't decide wheather or not I need to just trade the expedition off or take my chances. The block looks like new.
    Has anyone else had this type of problem?
  • kam7kam7 Posts: 1
    Hi! Ever find out what the problem was with your steering? I'm having the same problem. Mechanic flushed power steering lines but still have the same problem. Worried about safety. Anything I can tell my mechanic to look for?
  • gog_1gog_1 Posts: 5
    hey just wondering if you solve your problem... i have the same problem.... 2000 expedition 4.6 v8... just had a tune-up.. problem still there ...only when going up hill it looses power and the check engine light flashes :cry: ... please let me know.. thanks :)
  • I have the 1999 expedition AWD automatic transmission. Transmission is popping only when under a load to accelerate or pass. Makes a whining noise while in reverse but hits all of the gears and shifts fine. There are no warning lights (check engine, ABS) on and push button OD works fine. Fluid level is good and I recently changed out fluid and filter but with no improvement. So, i dont have a clue????? All the tires have equal tread and pressure.
  • you might wanna check the gas pump... also consider a tune up with gas filter, spark plugs, etc.... good luck :shades:
  • alwaysfords2alwaysfords2 Posts: 339
    edited September 2010
    I tried to respond to this yesterday, but for some reason the response didn't get posted. What do you mean by "popping"? If you mean the 4WD is engaging I seriously doubt that is coming from the tranny. The tranny is not what engages 4WD. The wheel slip indicators direct the tranfer case to distribute power to the front wheels. I would suspect a sensor problem or an issue with the transfer case. I guess back yo my question, what do you mean by popping?
  • I own a 2001 Ford Expedition, whenever it rains, not drizzle but serious rain, I have several problems occur. First, the biggest problem is my defrost will come on, even if the vehicle is not running. What is the cause of this? How can i repair or fix it. Second, the radio will not work/ works sporatically. Lastly, i feel water dripping on my foot as I drive from under the dash. I am not sure if these are related, however, it only occurs during these wet periods. Any help in solving these issues would be greatly appreciated.
  • sounds like the water leak is provoking all of these problems.. might wanna check that... good luck :)
  • Can you say deja vu? I'm having that problem right now with my 05 expedition. Took it to one garage and they said that there was debris and deep scratches in the cylinder and that we needed a new motor. Well, here was the problem. The car starts right up and just fine and after awhile of driving that shaking stops and go's. So we took it to another shop and so far they say the cylinder is clear of any debris and they couldn't see any type of scratches. They are as we speak looking at the valve and spring. So as soon as I hear something I'll post it. it's good to know that someone is having the same issue.
  • I have a 98 Expedition and the metal pipe in the back left going to the heater core broke. I have taken all the bolts out of the manifold. I am just wondering if I need to take off the fuel rail and fuel injectors, and how do I go about doing this efficiently? Will I need to replace the fuel injectors afterward?
  • wannarunwannarun Posts: 4
    edited October 2010
    I have a '98 expedition 4.6, 4x4 been a great suv.The check engine light been on for awhile now no hesitation or nothing runs fine but can't get it inspected with light on. Diagnotics said running lean on bank 1 and bank 2.Was told O2 sensors were bad,so replaced all 4.(at 50 bucks a pop ) And cleared code stayed off for a day then came back on. Seems like when you step on the gas it pops on. Any help before taking to a garage (for probably an endless run of tests and money.)
  • gog_1gog_1 Posts: 5
    sounds like it might be ur injectors.. but make sure so u can go to ur nearest autozone and have them chenck with a scanner.. they might be able to get a trouble code.. good luck :shades:
  • pacobpacob Posts: 1
    I have a 2000 expedition roll over with the 5.4 engine - what years are compatilbe to use my running gear ?
  • Probably 97-02. Not 03.
  • My 2007 Expedition will sometimes chug or hesitate while driving. It doesn't do this all of the time. I have taken it in the the Ford repair shop 3 times and even while hooking up their computer they still can't find anything wrong with it. It's odd becasue it will only do it after driving for an hour or so. Any advise would be greatly appreciated!
  • Yashoda,

    I was wondering if you have ever found out the problem for the acceleration problem. I myself just recently have had the same problem with my 2001 expedition. Driving on the expressway and the rpms continued to climb and the vehicle continued to accelerate and had to use the brakes to slow down.

    any thoughts are appreciated
  • we purchased a 2000 expedition and on the way home the car hit about 3500 rpms and the car acted like someone put the brake on or even like theres a governor on the vehicle. we drove it a few more times it drove fine today i drove it and it did the same thing you hit the 3500 rpm range it behaves like theres a governor any ideas on this?
  • 03expo03expo Posts: 1
    I have an 03 Expedition Eddie Bauer (5.4 engine). I noticed every once in a while when I try starting my truck it would make a LOUD grinding sound as if the truck was already running. Once I flip the switch over and try cranking the truck it would start right up. Well now it's happening even more and harder to start my truck. I was told it could be the starter or the fly wheel going out. If anyone has had similar problems and had it fixed pls share your solution....
  • re: turning got worse hard then easy then hard then easy again.. steering column lower shaft has two u joints in it on of them is seized up. remove and replace about 160 at dealership. should solve problem
  • sammi16sammi16 Posts: 1
    I am having the same problem with 2004 expedition and it seems to be getting worse have you found the problem?
  • dr1953dr1953 Posts: 1
    I am having a problem with extended cranking time on my 2003 Ford Expedition 5.4L Eddie Bauer. I have changed the fuel filter, air filter and had the fuel system cleaned. When the engine is running there is no problem with power. what do I look for now?
  • gog_1gog_1 Posts: 5
    check your spark plugs and wires.. good luck! :shades:
  • I had this exact same problem with the exact year/make/model.

    This is your fuel pump assembly unit which sits op top of the gas tank. cost me about 670 bucks to replace.
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