4WD not working??? - Ford Powerstroke Diesel Forum
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Old 06-03-2009, 12:41 PM
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4WD not working???

Got stuck in 2wd and put the truck in 4x4 low. Definitely felt like the truck was in 4x4 but the front wheels never moved so I got out and manually locked the hubs... still nothing. Father in-law said the wheels needed to rotate in order to get 4x4 to work..is this true? oh and my drivers side rear tire wouldn't spin but the passenger side would..worn out rear end??

Thanks!

B.
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Old 06-03-2009, 02:03 PM
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Read your manual. Your rearend is fine. It is not a posi rearend. You have "limited" slip. As far as the 4x4 goes. In the manual it states that if the truck will not shift into low move the truck then stop and try it again. Also are you trying while the truck is Park or neutral? If you still cannot get 4hi or 4low then it more that likely the motor on the transfer case that swithes from gear to gear. Also check the connection for power before you replace the motor.
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Old 06-03-2009, 02:26 PM
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So I only have a 3WD then (if the front wheels work). In any case the truck was already stuck (thought this was clear in my OP) so I couldn't move it other than spinning the one tire. My question is..... if I get stuck and can't move forward/backward then 4WD isn't going to engage?? Placing truck in 4WD while in neutral, you can feel the whole truck move/bounce when it is in 4wd and moved to drive or reverse.
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Old 06-03-2009, 02:30 PM
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Quote:
Originally Posted by silly34 View Post
So I only have a 3WD then (if the front wheels work). In any case the truck was already stuck (thought this was clear in my OP) so I couldn't move it other than spinning the one tire. My question is..... if I get stuck and can't move forward/backward then 4WD isn't going to engage?? Placing truck in 4WD while in neutral, you can feel the whole truck move/bounce when it is in 4wd and moved to drive or reverse.
Front works just like the back. 2WD....
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Old 06-03-2009, 02:38 PM
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Even spinning the rear tire while stuck is the same as moving it foward. The ruck doesn't know any better. All you are doing is spinnng the gears in the tranfer case so the gears will mesh up. Try 4hi and see if you get any front end action. If so then goto 4Low. If not, the motor is probably not engaging on the transfer case.
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Old 06-03-2009, 02:49 PM
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Just saw this post might havee some better answers for ya auto hubs no 4 wheel engage??
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Old 06-03-2009, 02:54 PM
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Quote:
Originally Posted by Ryeman2138 View Post
Just saw this post might havee some better answers for ya auto hubs no 4 wheel engage??
Manually locked them.
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Old 06-03-2009, 02:59 PM
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Quote:
Originally Posted by Ryeman2138 View Post
Even spinning the rear tire while stuck is the same as moving it foward. The ruck doesn't know any better. All you are doing is spinnng the gears in the tranfer case so the gears will mesh up. Try 4hi and see if you get any front end action. If so then goto 4Low. If not, the motor is probably not engaging on the transfer case.
What I don't understand is it feel likes the truck is in 4wd (feels very different once put in 4wd and placed in drive) but the wheels don't spin. I can hear clunking from the front when it switches over. So (assuming) if the transfer case is working properly then would the hubs be suspect?
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Old 06-03-2009, 03:11 PM
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Probably hubs, can you see the drive shaft spinning?
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Old 06-03-2009, 06:05 PM
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check the drive shaft
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