Question about 2005 Ford F-150
2005 f-150 4x4 extended cab 4x4 is not engaging when the dial is turned
First of all, the problem was caused by lack of use of the 4x4. The fix was to have someone sit in the seat & turn the switch while 2nd person tapped on 4x4 solenoid underneath the truck (next to the gearbox (seen from rear of truck) about directly below middle-rear-seat). It must have become stuck (or rusted) together? Little taps while engaging switch 'unfroze' it. My 2 fuses that were blown were probably caused by overloading when I first tried to use the 4x4 while it was frozen out. Since fixing, just be sure to turn it on (and off) frequently, even if you don't need it. You don't actually need to drive with it, just engage it temporarily.
Posted on Jan 01, 2009
Tap the selenoid on the transfer case while someone is in the truck working the 4x4 switch - it works... I replaced the Vacuum Selenoid on the firewall as well as the 4x4 relays for nothing, The transfer case selenoid was stuck. Ford wanted 700 bucks to fix it, with all the new parts I used it totaled 45 bucks, but all it need is a few taps with a rubber hammer. It's a Very Very simple fix...
Posted on Oct 09, 2010
I had the same prob. after about a month i decided to turn the vent to the off position then i switched into 4hi and it went .maybe its a reset of some sort or maybe just me.
Posted on Jan 01, 2009
Either the switch is bad or the motor that controls the switch some models also have a vacuum switch on top of the transfer case that gets stuck
Posted on Nov 11, 2008
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Posted on Jan 02, 2017
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