99 F-250 4x4 won't Engage - Ford Powerstroke Diesel Forum
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Old 12-02-2012, 05:14 PM
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99 F-250 4x4 won't Engage

I have a 1999 F-250 7.3L, 5 spd. It has a floor shifter for the four wheel drive. When the transfer case shifter pushed all the way forward, then four wheel drive wont engage and no 4x4 light on the dash. The truck will go into low range, but only two wheel drive. Does anyone have any ideas?

Last edited by Crazy J; 12-03-2012 at 06:48 PM.
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Old 12-04-2012, 05:23 AM
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I'm not sure about these trucks but I know there's usually 2 tabs on the side of the case where the lever connects. One is to engage the front driveshaft and the other shifts into low range. Maybe the linkage to the 4x4 tab is broken?
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Old 12-05-2012, 06:00 PM
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What does this tab look like?
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Old 12-05-2012, 07:05 PM
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I found the tab you are talking about. It IS broken. Where do you suggest getting a new one or fixing my problem?
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Old 12-06-2012, 08:00 AM
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Oh boy, I don't know. Maybe something like fordpartsgiant.com or look into getting it welded. Does it look like the range fork on the bottom of this page? Rebuild Kit NP271 NP273 Transfer Case Parts Illustration and parts list, Ford & Dodge! - Drivetrain.com
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Old 12-06-2012, 09:01 AM
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YA, it does look like that. It is only the little tiny metal or brass contactor that is broken on the 4x4 side of the fork. I'll remove the piece and take a pic of it and post it.
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Old 12-07-2012, 06:53 AM
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I took the 4x4 linkage off and looked at it a little closer last night. I thought there was connectors on it because it was hard to see, but there is no connectors on it like I said in the last post. After I took the linkage off, I got in the truck to move it out of the garage and the 4x4 low light was on. I checked it on the street and was indeed in 4x4 Low. I, then hoped underneath and manually put the lever on the transfer case in 4x4 high, but it still wouldnt engage. I then moved the selector to 4x4 low and it worked fine. What is up with this stupied thing??
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Old 12-08-2012, 07:46 AM
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I know sometimes you have to kind of let the truck roll to get it in 4x4 so the teeth in the transfer case can align. Maybe that's why it wouldn't go in 4x4. I would try unlocking the hubs and manually turning the driveshaft while you move the lever underneath. Unless your transfer case is blown out you should be able to get it in 4x4 pretty easily.
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