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Alternator - commonly replaced item. I replaced mine with a new Ford alternator at 80k miles.
Water Pump - commonly replaced item. Mine was replaced at 68k miles. Coolant additives needed to protect the block from coolant cavitation in diesel engines can drop out of suspension causing wear on the water pump bearings. I have since upgraded to a better coolant - Chevron Delo HD Diesel Extended Life Coolant approved by International for all of their diesel engines 1999 and up. So far, so good.
Transmission - mine is stock and working fine in part because I have followed Ford's recommended flush and fill every 50k miles. Everyone needs to follow Ford's spec here to keep their transmission alive and well.
Ball joints - commonly replaced item. These trucks, are HEAVY and all that weight travels directly down and through the ball joints. So it is no surprise they wear rapidly. Mine were replaced with Motorcraft (not Ford branded) ball joints that unlike the stock Ford ball joints have a GREASE ZERK and they are greased every oil change, which for me is every 5000 miles for me.
Brakes and Rotors - unnecessarily replaced item. As I have preached here over and over, auto shop airguns KILL ROTORS. Lug nuts need to be torqued to a specific value to impart even stress around the rotor. The ONLY way to do that is with a torque wrench and torquing the lugs in a "star" pattern. The other issue with brakes is the slide pins that the caliper rides on. These pins will become corroded over time, causing your caliper to hang up and destroy your pads and rotors. I recommend having your slide pins removed and lubed at least every other year - more often if you live in the snow/salt belt. My front rotors lasted 75K miles and my rears lasted 110k miles - because I carry a long handled torque wrench (from Sears) in the truck at all times and NEVER let an air gun do the final torque on the lugs.
Sway bar end links - commonly replaced item - If you're hearing a clunking sound in your front end and have good ball joints, it's likely your sway bar end links. Again, you're dealing with a lot of weight with these trucks so these items do wear. Also, a lot of Excursions didn't come with a rear sway bar - if you don't have one I highly recommend you install one. Hellwig is a commonly installed brand.
Shocks - commonly replace item - Again, a heavy truck means the shocks have a lot of work to do. If you have your original shocks and over 20k miles, I assure you they are shot! After trying another brand (that bet the "ranch" and lost at 30k miles) the only replacement shock that it suitable for these trucks are Bilsteins! Mine have 50k miles on them now and are as good as new. Also, if your truck is 4x4 you should also have a 5th shock - your steering stabilizer. Replace it as well with Bilstein.
For 7.3 diesel owners, you need to clean and or replace your Exhaust Back Pressure tube and sensor. This tube can fill with soot blocking of the reading at the sensor giving the powertrain control module an incorrect reading. I have read from people in the know about this engine that this is the number one cause of reduced mileage in the 7.3L diesel engine.
Other than routine maintenance items like tires, oil and air filters, that's all I can come up with for the moment but I'm sure I've overlooked a few items so here's a chance for others to chime in with their experience.
Just curious: what kinds of electrical problems have you had? I think I need a VSM, but not sure. Good luck. Let us know how it comes out.
Thanks.
tidester, host
SUVs and Smart Shopper
Another check....another problem I have run into if your rig isn’t starting, is glow plug relay is on the fritz, if your injectors are working but you glows are you'll see the following condition. If then cranking and not starting you have a lot of white smoke coming out of your exhaust, that white smoke is actually atomized diesel fuel, this means the engine isn't warm enough to combust the fuel, hence most likely glow pug relay it on the fritz, sometimes to get you going you can tap on the glow plug relay with the butt of a screwdriver, and it be a short term fix but ultimately you need to replace it. Hope this helps.
Thanks ever so much for your thoughts.
Regards
Do you know why they say you can attain 300K+ miles? I love my truck too and was considering trading it since it is not a diesel and has 170K mi. You know, it is just the fear factor--but if some professional actually says there is that hope, it would make me feel better about putting more money into it. I love the fact that body style will never change on the Excursion so that you feel your car is now tired and old. Know what I mean?
I am the proud owner of a 2000 excursion with the 7.3, I purchased it new on 2-1-00 and have driven it daily since and now have over 230,000 miles and still going strong. In the eleven years I've replaced the alternator once, I rebuilt the whole front end, including the two bearing hub assemblies, and about a year and a half ago I had the glow plugs replaced because it was starting a little slow, and that's it for major stuff in 230,000+ miles. I love this rig, and have no plans to sell it anytime soon. Since Ford discontinued the excursion, those of us lucky enough to have one should feel good in knowing that the diesel equipped ex's are bring 4 to 6 grand over KBB.
Hope this helps.
I should also mention that you can upgrade the bushings in your end links (it's actually the bushings that wear out) with polyurethane bushings from energysuspensions.com. Also if your vehicle is 4x4 check the track bar bushings wear.
Another less common area of hidden front end noise on Excursions that usually rears its head on higher mileage vehicles is the two front body mounts. These are rubber bushings that go between the vehicle and the frame to isolate road noise. These can be a bear to replace, but if anyone here should find they have that problem I can get you a procedure to replace them, as dealers will often advise against replacement because of the cost.
I don't know if you'll get this, but thanks a lot. This solved my door ajar and interior light problem. Amazing what a little liquid wrench will do;)
>Torque wrench used to maintain proper lug nut torque, not Bubba at the garage using the air gun to jam them on, thereby distorting the rotor and leading to pulsating, diminished braking force and shortened pad and rotor life?
>Slide pins cleaned and lubed annually to ensure even braking force and prevent calipers from hanging up on the slide pins leading to reduced braking effectiveness?
>Proper components used that meet Ford's specifications whenever brake work is performed?
My original Ford brakes - pads and rotors - lasted to 110,000 miles and provided excellent braking effectiveness. Of course, I knew how to maintain them. Make sure you have all your receipts showing you maintained your brakes to Ford's exacting specifications when you have your "little dispute".
Haven't posted in a few years. The damn brakes on the EX are undersize for the weight of the vehicle. (My Opinion) Anyway I have owned 3 Excursions and all of them have had some sort of braking problems. I cryogenic treated my rotors and that prevented them from warping. I currently have 40k on them now. With no problems. I have seen posts from others that bought rotors with slots and dimples in them off e-bay I believe. They have had good results with them. The old posts are back in the archives for reference. I would like to know of a good brake pad that is aggressive and will stop the beast better.
C/ya Andrew
I will tell you this, don't buy ford parts, they suck and are way overpriced, I've had aftermarket rotors and pads on mine for the last 95,000 miles and still haven't replaced the pads, best part is that I bought all four rotors with pads for 300.00, less than ford wants for just the fronts.
If your ex is cavetating only during braking, then its the brakes, if its pretty much all the time, check the bearing hub assembly (what the rotors mount to on the front), I had one fail and figuring if one was going bad, the other was probably close, so I did both, also replaced the upper and lower ball joints at the same time and have had no issues since.
I won't buy any parts from ford since the local service writer quoted me 1700.00 for all four rotors and two bearing hub assemblies, and then got mad when I asked him how ford could sell excursions for $50,000 when they obviously had $75,000 worth of bearings in the things. I haven't let a ford dealer near my ex in the last 8 years, and won't.
Good luck, hope you get your problem solved and always remember, ford was smart enough to cease production of the best SUV ever built, and we are lucky enough to own one.
Turn the radio on for a while. Some of the CD players overheat and malfunction or the radio will start searching for stations all by itself once it warms up. CHECK THE OIL PAN. See if it is dripping-push on it to see if it is soft. Excursion oil pans are rusting through and it is a couple thousand to fix because of the labor involved.
GOOD LUCK
My car specs 88 ft/lbs.. (not an Excursion..)
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One other thought for a "Stuck oil filter", I'll do the punch the hole as last resort cause once you put a hole in the filter, you will compromise the integrity of the filter and sometimes you end up tearing the metal right off the base, then you are really up the creek!
I recommend getting an oil filter wrench (~$10), the ones that match the bottom of the cans are light duty, but there are also some that lasso the oil filter and tighten up and give you leverage to break it loose. Once you get the filter off check the metal contact surface that the rubber gasket on the filter hits, make sure this is smooth, pre-lube (with clean oil or grease) the rubber gasket before you reinstall the new one. Also I only tighten the filter as much can I can with the grip of my less dominate hand usually about 3/4 of a turn past snug "for me it's my left hand" since I'm right handed.
Good luck!
That's a neat trick. I changed the oil in my minivan this afternoon and after oiling the filter gasket I hand tightened it pretty snug with my (dominant) right hand and then backed it off an eighth of a turn or so. Will try it your way next time.
Thanks Don