2012 4x4 not engaging.
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2012 4x4 not engaging.
I've got a 2012 F250 with the 6.2l with about 45,000 miles.
The other day I was pulling someone out that was stuck, I was in 4wd and I noticed my back tires started spinning and the fronts were not.
Afterwards I got on pavement and tried both 4x4 high and 4x4 low, they both light up on the dash like normal, but it is not engaged.
I assume this will be covered under my power train warranty, but was wondering if anyone else has had a similar problem? Or any ideas on what to check out first?
The other day I was pulling someone out that was stuck, I was in 4wd and I noticed my back tires started spinning and the fronts were not.
Afterwards I got on pavement and tried both 4x4 high and 4x4 low, they both light up on the dash like normal, but it is not engaged.
I assume this will be covered under my power train warranty, but was wondering if anyone else has had a similar problem? Or any ideas on what to check out first?
Fleet Mechanic
Joined: Mar 2013
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From: New Jersey
Rule of thuimb is to perform a 4x4 hi and low test once every month. While performing this test, it should be done while turning the hubs to lock and unlock. Most important. Perform this test on a loose or unpaved surface. The vaccumm lines do fail from time to time. Which reminds me, I need to make sure everything is ready to go for this winter.
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I have auto hubs, but I can also lock them manually. In fact when I had to pull someone out when I noticed that the 4wd was not engaging I put it in 4 low and got and locked the hubs. I didn't notice if that made the front tires spin but I yanked that truck right out.
I will test them today by manually locking the hubs.
I will test them today by manually locking the hubs.
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This one spurred me on to check mine out before the snow starts flying around here. thanks for reminding me 
Checked 4hi and 4 low both auto lock and manually locking and everything seems to be working fine. But I did notice my right side hub was extremely hard to turn to the lock position. Is this something I should be worried about?maybe replacing them be in my future plans?
Checked 4hi and 4 low both auto lock and manually locking and everything seems to be working fine. But I did notice my right side hub was extremely hard to turn to the lock position. Is this something I should be worried about?maybe replacing them be in my future plans?
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I use my 4x4 fairly regularly so I don't normally test it. I do a lot of beach driving and normally use 4x4, and most hunting and fishing spots I'll use it. This was the first time I'd noticed a problem.
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Official Ford Rep
Joined: Oct 2010
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How did the testing go, F250FX4? If you decide to get your dealer involved, let me know; I'll research ways to assist.
Crystal
Crystal
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So somehow my hubs are not locking when I turn the **** to 4x4 high or 4x4 low. I assume the computer doesn't know they are not locking since the 4x4 lights up on the dash like normal.
I crawled around under the truck looking for something obvious like a connector or a hose popped off and didn't see anything.
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I just talked to the dealer. I'm going to drop it off tomorrow after work for a diagnosis. The guy I talked to said he couldn't tell me until they looked at it if it would be covered under warranty.
Official Ford Rep
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Crystal
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