Question about 2003 Ford F250 Super Duty Crew Cab

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03 f250 w/6.0 4x4

It has manual and locking hubs with electronic 4x4 selector switch on dash, when I select 4x4 and have my air cond. on, my air starts blowing from the defrost vents and the 4x4 doesn't enguage(that was at first) now the other day when backing my trailer up hill something made a loud poping noise(from underneath,like something metal broke) no 4x4 motion, then I manually locked the hubs, switched into 4x4 and it worked fine but was hard to get it to disenguage, I kept switching 4x4 selector on and off but stayed stuck in 4x4 low, after backing up and going foward several times it finally unlocked.??any clues??

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The 4x4 low will not disengage without placing transmission into neutral and stepping on brakes hard. Not sure about the rest of the issues

Posted on Sep 27, 2014

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Sounds like a problem with the elctronics to me?

Posted on Oct 03, 2008

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1 Answer

I have a 2006 f350. Ford will not go into 4wheel


Which 4X4 system does yours have ?
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