4wd stopped working in snow storm NEED HELP - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 02-18-2014, 05:04 AM Thread Starter
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4wd stopped working in snow storm NEED HELP

2001 F350. The past few days my 4wd has been acting up. Yesterday I parked facing a snowbank at the end of my driveway, and the vacuum seal on the auto hub stopped engaging (it has the 4wd dial on the dash). So i locked the hubs and put it in 4wd and tried to back out of the drivewag and still nothing, just rear tires spinning. Since i parked right in front of a snow bank and had no room to go forward, i figured maybe i just needed to roll the truck forward for the hubs to lock in place and it would work. So i had my buddy pull me out of the spot where i was stuck and tested out the truck. I just drove it up the hill on my street with a little under an inch of snow on the ground and it was going good for a few seconds then all of a sudden I heard a loud sound from the front end that sounded like something cracked or snapped and i started swerving and sliding on the road and almost got stuck on the hill, which I'm assuming is a sign that 4wd went. That being said, I've heard the cracking/snapping sound in the front end a couple times in the past few weeks but 4wd still worked. And also the passenger side hub is a real ***** to lock and unlock, and you can even wiggle the hub itself a little. So my question is: do I need new locking hubs? And if not what else could the problem be?
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post #2 of 3 Old 02-18-2014, 05:10 AM
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if your dash light is showing 4x4 you likely are ok transfer case wise

it does sound locking hub related but it's easy to pull and inspect

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post #3 of 3 Old 02-18-2014, 06:13 AM Thread Starter
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What should i look for when inspecting?
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