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Ford Expedition Maintenance and Repair

1827 messages,  Last post on Nov 27, 2009 at 1:19 PM

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#1771 of 1827 Re: 1999 Expedition: Engine Stutter, Low Gas Mileage [togden] by paul9250 Jul 03, 2008 (11:29 pm)
Replying to: togden (May 29, 2008 12:17 am) I've got a 97 Expedition with the Triton V8 and have had all of these problems. Causes may not be the same but here's what I found: (I'm an experienced mechanic)   Engine studder/miss: Assuming you don't have the check engine light on and there are not codes showing on the ODBII port read out the missing is likely moisture inside one or more of the coil pack rubber boots or a faulty coil pack. Pull the coil packs and check for moisture inside the spark plug tube or the spark plug boot. A good indicator will be corrosion on the spark plug. Next, if you've never changed the plugs do that next. If it still misses buy a new coil pack and change the coil packs out one at a time with the new one to see if you can eliminate the problem. Try the #3 hole first. That one seems to be a problem area. Its also the most common blow out hole (these engines suffer from spark plug blow outs).   Transmission leak: Add some flourescent die to the transmission fluid and run the vehicle until the transmission oil temp is up to normal. Shine a black light around the tranny until you can identify where he leak is coming from. Then trace is back to the source.   Rear end noise: This one stumped two dealers around here. The problem for me ended up being the shock mounting bolts. Over time the holes get oval and the bushing ends develop play that only shows up when the rear end is articulating. The only way I found it was to put the vehicle up an a lift and with a couple of friends shook the rear suspension up and down as hard as we could. (btw - make sure your spare tire is tight in its mount. This also causes a clunking noise if its loose). Replace the lower shock mounting bolts with new ones. If you haven't changed the shocks in a while now would be a good time. Especially, if the lower shock bushing are shot.   Low gas mileage: This is probably directly related to the missing. The first culprit here would be the mass air sensor. But, if you don't have an engine check light on and no codes showing then this won't be the problem. Check the mileage after you solve the missing problem. Borrow someone's ODBII code reader and get a read out from your ODBII port just to make sure you don't have a problem with a sensor. (i.e. an oxygen sensor could be going bad).   Hope this helps.
#1772 of 1827 Rear Ventilation system click and whump sounds by jg88 Jul 10, 2008 (8:36 am)
Here's one for the books -- can't find a TSB on it either. '04 expy EB with the rear climate control system. When I set the dial in the 1st and 2nd positions for rear ventilation, it makes two different sounds behind the middle seat on the passenger side. In the 1st position, it clicks, 2nd position, it makes a "whump" sound. Position 1 is "click, click, click..."; position 2 is "whump, whump, whump...". When the rear dial is returned to the "off" position (farthest to the left), it goes away.   Also, if I set the vent system to "floor", it disappears. On the higher level setting, it comes back. Sometimes it goes away, other times it does not. Is there some sort of a vent regulator behind the passenger side middle seat? If so, does anyone know what this is, if there is a TSB or is this just one of those weird items no one else has experienced? Replies to this message: alwaysfords2 (Jul 11, 2008 6:21 pm) bronsonb (Jul 14, 2008 11:09 am)
#1773 of 1827 Re: Rear Ventilation system click and whump sounds [jg88] by alwaysfords2 Jul 11, 2008 (6:21 pm)
Replying to: jg88 (Jul 10, 2008 8:36 am) it is one of the two blend door actuators. Could be the one that takes it from floor to ceiling, or the one that controls the temp mix. I'd guess it is the floor to ceiling one, which is the easier of the two to replace. You need to remove the change/junk tray under the passenger side quarter window. Flex it in the middle, it is just attached by plastic arrow heads molded into the tray itself. Just slightly forward of that there is a beige/white box. That is the actuator. You can check if it is the culprit by unplugging it and seeing if the noise goes away. To remove it is a simple three screw job. It is easier to manipulate it if you take out the cup holder just ahead of it. It also just pops out. Should take $30 and 15 minutes to do, or $200 at the dealer.
#1774 of 1827 Re: Rear Ventilation system click and whump sounds [jg88] by bronsonb Jul 14, 2008 (11:09 am)
Replying to: jg88 (Jul 10, 2008 8:36 am) I had this same problems, and as the other poster mentioned, it was a relatively simple repair. I actually removed the entire cover in the back seat area. It required a special "star socket" to remove the second row passenger side seat belt anchor, and then the rest of the plastic cover on that side popped out with a little prying (might be a screw under the plastic cover above the bumper that needs to be removed too).   The two units that are the culprits are about 1/2" thick, squarish in design and about the size of a pack of cigarettes (but a bit larger). They are held in by a few screws and a simple plug. As the previous poster noted, unplug one and see if the sound goes away.   I ordered replacements online, but you could probably get them from your local Ford store too. One of the actuators costs about $18, but the other was almost $40. Overall it was an easy repair considering I'd seen posters who said they paid $400 to get that fixed.   Good luck.
#1775 of 1827 Re: 2004 Expedition, NBX [wichezer] by jantj5 Jul 17, 2008 (5:12 pm)
Replying to: wichezer (Mar 31, 2006 5:52 pm) I have the same problem. Did you find a solution?
#1776 of 1827 Cooling fluid leak above my starter moter by genoah Aug 09, 2008 (11:23 am)
I have a 97 Ford Expedition 4.6 V8 with a really bad leak, there’s cooling fluid really pouring out of a spot that I cannot exactly see above the starter motor. The hoses and lines seem intact and there’s no water in the oil and it runs ok as long as I keep topping up. Any help or advice would be lovely, Thanks, Jessica
#1777 of 1827 Re: Blown out Spark plug [zman3] by woodye Aug 11, 2008 (8:03 am)
Replying to: zman3 (Mar 06, 2006 11:18 am) There is a spark plug removal problem in the 5.4 Liter engine. The plugs have a long shank below the threads in a tight hole in the head going down to and open to the combustion chamber. Carbon and combustion crud builds up around the shank below the threads and locks the plug in place. Forcing the plugs can strip the thread since they may not be strong enough to break the buildup.     I called a lot of Ford mechanics and finally may have found the solution. On a Warm Engine, (most Ford Service reps said Cold engine, wrong!) losen the spark plug 1/4 to 1/2 turn.   Then spray carb cleaner around the plug. It goes around the threads and breaks lose the carbon and crud build-up around the long shank of the plug.    I replaced my plugs using this procedure and everthing worked OK. You can hear the carb cleaner bubbling/sizzling, and the plugs came out fine. I used a magnet to pull them out of the head recess and had to wiggle a couple of plugs. Still a pain and knuckle busting job; but, didn't break any plugs.    Champain makes a one piece plug, the stock plugs appear to be a bonded two piece shank. They are expensive and may not be necessary with the above procedure with a stock plug.   If you have already stripped the threads, I understand Car Quest has a good kit with a hela-coil to replace the threads, if you can get the broken shank out of the head.  Woody
#1778 of 1827 Back Up Aide by colleenbrew Aug 13, 2008 (7:34 am)
I have a used 2003 Ford Expedition and for some reason, the check back up aide message comes on each time I go into reverse, however, the back up beeping noise has only come on once. I have no idea where this sensor is located, or how to go about even fixing something like this. The previous owners did tow a camper, so I think it may have been disconnected, if this is possible. Does anyone know how to find and/or fix this problem? Replies to this message: 9729 (Nov 18, 2008 10:45 am) colleenbrew (Nov 18, 2008 11:09 am) 9729 (Nov 19, 2008 6:33 am)
#1779 of 1827 Re: having problems with gear shift [ironmac1] by txhill4 Aug 18, 2008 (2:35 pm)
Replying to: ironmac1 (Mar 14, 2006 3:44 pm) We have a 2004 expedition that is doing this exact thing. Where did you find the info to fix it. Any help would be great!
#1780 of 1827 2000 ford expedetion by stephqua Aug 30, 2008 (12:10 pm)
my gear lever will not go into park and to turn my truck on i have to put it in nuetral

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