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Ford Expedition Auto 4 wheel drive

11 messages,  Last post on Jun 27, 2009 at 7:01 AM

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#2 of 11 SOMTHING IS WRONG. by mschmal Jul 03, 2007 (4:44 am)
You are destroying your 4x4 system!!! either use 2h until you need 4x4 or get your transfer case fixed. It is clearly not working automatically.   You are seriously damaging your wheel hubs in the front if you continue to drive on dry pavement in 4x4.   Mark. Replies to this message: skudd (Jul 03, 2007 2:49 pm) mbsengineer (Jul 04, 2007 10:53 am) skudd (Jul 04, 2007 2:08 pm)
#3 of 11 Re: SOMTHING IS WRONG. [mschmal] by skudd Jul 03, 2007 (2:49 pm)
Replying to: mschmal (Jul 03, 2007 4:44 am) I took it to a mechanic and he told me that the posi trac clutches needed to be rebuilt, in other words the rear end needed to be rebuilt,,but another mechanic told me that he would first try replacing the grease and additive in the rear end and see if that fixes it first. What do ya think? And, there is no 2H on this ride,,,its either,,A4x4, 4hi, 4lo,,,both mechanics told me that its auto 4x4,,only comes on if the front and rear wheels are turning at different speeds,,,then some rotation is transferred to the front wheels. Replies to this message: mbsengineer (Jul 04, 2007 10:53 am) skudd (Jul 04, 2007 2:08 pm)
#4 of 11 Re: SOMTHING IS WRONG. [skudd] by mbsengineer Jul 04, 2007 (10:53 am)
Replying to: skudd (Jul 03, 2007 2:49 pm) I agree totally that you can't leave it as is. This type of wear will distroy your gears very quickly. I'm no mechanic, so I don't know the ins and outs of how the auto system engages and disengages, but it could be that something is hung/stuck. If that's the case it's possible that adding some sort of "lube" (be it grease of oil) could correct the problem. However, being a 99 (and assuming about 80k+ miles) ... it certainly wouldn't be shocking to need a rebuild.   Either way, if it is in the state all the time, I would stop driving NOW!! Replies to this message: skudd (Jul 04, 2007 2:08 pm)
#5 of 11 Re: SOMTHING IS WRONG. [mbsengineer] by skudd Jul 04, 2007 (2:08 pm)
Replying to: mbsengineer (Jul 04, 2007 10:53 am) Yep I plan on it,,,only to drive it to the shop.
#6 of 11 Re: Auto 4 wheel drive [skudd] by hmo66 May 31, 2008 (6:38 am)
Replying to: skudd (Jun 29, 2007 2:07 pm) Hello skudd, Could you please elaborate on how did you resolve this problem? I am having the exact same problem and can't seem to find a resolution.
#7 of 11 expedition exhaust fumes in cabin by cud1105 Jun 26, 2008 (1:18 pm)
I recently got a 2008 Expedition Eddie Bauer 4+4, and immediately started smelling what seemed to be exhaust fumes in the passenger cabin. The fumes were masked at first by the strong "new car" and "new leather seat" smells, but evntually they wore off and now exhaust or similar fumes still seem to be seeping into the passenger cabin. They seem strongest with the right rear window (located above the tail pipe) is rolled down, especially if a window on the opposite side of the car is also rolled down. This arrangement apparently reduces internal passenger cabin air pressure, creating a suction allowign exhaust to get in???   Fumes seem also to be either entering the cabin in the rear cargo area, or gathering there and being distruibuted by the rear heat-cool system ventilation fan through the ceiling air ducts.   Ford has tried repeatedly to diagnose and fix the problem, but seems to be having trouble identifying the cause. They are willing it fix it, but so far have not figured out the cause. Has anyone else had this problem? Any suggestions?   I need help. I have new car that I cannot drive or take my kids in safely.   Thanks for any ideas.
#8 of 11 four wheel drive issues. by galcala Jul 25, 2008 (9:28 am)
Im having some issues with the automatic 4x4 I think. the truck is making a vibrating sound when it picks up speed i was thinking maybe the transfer case was stuck or something of the sort because it started doing it right after I had used the 4x, but ive tried everything from pulling in reverse, to going back offroad to loosen it but with no avail. please help me!!
#9 of 11 2005 Expedition 4 wheel drive problem by mrnaturral May 30, 2009 (10:13 am)
I have a 2005 Expedition with 4wd. Lately, when I turn the switch to engage 4 wheel drive, nothing happens. I can crawl underneath and locate the spot where the wiring goes into the transfer case and pound on it with a rubber mallet. After doing that it works fine for a few days or even weeks then it stops working and I have to crawl back under and pound on it again. Obviously something is gummed up and the pounding shakes it loose. I'm a shade tree mechanic but I'm leery of removing the part to take a look. If I do remove it will I have any problem putting it back together? I'm afraid a bunch of small parts will fall out and I won't be able to get it back together.
#10 of 11 mrnaturral by alwaysfords2 Jun 01, 2009 (4:22 am)
That is the transfer case shift motor. Easy fix - old one unbolts, new one bolts right back in it's place.
#11 of 11 Re: Auto 4 wheel drive [skudd] by taneka88 Jun 27, 2009 (7:01 am)
Replying to: skudd (Jun 29, 2007 2:07 pm) my 99 eddie bauer is doing the exact same thing right now. Please what was the problem?

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