450 fourwheel drive problem
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450 fourwheel drive problem
i have a 2008 ford 450 drw the 4wheeldrive high light comes on and off, truck will go in and out of high. got it in 4w high one time took 30 min. to get out. took to ford in va they reprogramed and said they couldnt find a problem for 89.00. got home to fla still having problem, ford in alachua checked no problem; no help. has anyone had this problem i pull a 37ft camper, any help would be appreciated.
Hotshot
Joined: Aug 2006
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From: Whittier, CA
Could you be a little more clear, please?
Does the 4WD light go on and off randomly all by itself? Or just when you turn the dial?
The one time it took 30 minutes to go back to 2WD, was the dash light on that whole time?
Does the 4WD light go on and off randomly all by itself? Or just when you turn the dial?
The one time it took 30 minutes to go back to 2WD, was the dash light on that whole time?
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going down the highway at 60mph light flasnes on and off , truck surgess trying to go into 4wheel high. if your in cruise control it cuts off about 10sec. before 4wheel light comes on and off. unplugged transfer case wire, 4wheel wont work but light doesn't come. hope to get it fixed if i can find out what the problem is. also if you turn the 4 wheel switch 4wheel works ok.
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
going down the highway at 60mph light flasnes on and off , truck surgess trying to go into 4wheel high. if your in cruise control it cuts off about 10sec. before 4wheel light comes on and off. unplugged transfer case wire, 4wheel wont work but light doesn't come. hope to get it fixed if i can find out what the problem is. also if you turn the 4 wheel switch 4wheel works ok.
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Okay, now I understand. Sounds like an intermittent electrical gremlin. You said you disconnected the shift motor wire and the problem went away, so I think it could be a bad shift motor. The motors have sensors inside that tell the computer that the shift is completed, and we are in 4-Hi or 4-Lo, or whatever. I'm thinking you are getting a false signal from a sensor inside the shift motor. The motor itself seems to work, since 4WD works when you want it to, but the sensors could still be sending false signals. I have no idea if that is something that can be disassembled and checked.
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have tried 4 ford dealers spent nearly 700.00, put truck into shop yesterday they called today said they cant find the problem. said they could start taking the front end apart to see if its in the four wheel drive system. cant afford much more. told them to disconext 4wheel i will go get truck. does anyone know anything else i can do or contact? help...
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Cargo Master
Joined: Jun 2011
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From: Cincy area
Could it be a bad switch? The one on the dash? Seems like it could be a cheap fix, but I dont know. When Im troubleshooting I usually start with the easiest component to fix/check. You know, with all the threads on this forum about the 4x4 system of these trucks acting up its a damn shame! Come on Ford,!!!!!!!! quit acting like Chev.
Last edited by Quad Racer; Feb 7, 2012 at 08:05 PM. Reason: Add content
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450 fourwhrrldrive problem
ford dealer cant find problem said they could pull front end apart to find problem but it would cost abunch. problem started at 53000 miles now over 61000 still same problem. what happened to ford tough?
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