F250 4x4 not pulling - Ford Powerstroke Diesel Forum
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Old 06-05-2011, 11:58 AM
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F250 4x4 not pulling

When by 2002 F250 superduty is in 4 wheel drive and the truck is stuck,the rear passenger wheel spins and spins but the truck will not pull.
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Old 06-05-2011, 12:02 PM
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what do you mean PULL? is the 4x4 not engaging? Just the ONE rear tire is spinning? When you are spinning the tire, look under the truck to see if the front driveshaft is spinning. If it is, one of your hubs isn't engaging. try locking them manually by turning them clockwise-you may need pliers to do this. Do you have esof (electronic shift on the fly) or manual 4x4? Give us some more info on your truck, and please, try to be a little clearer with your posts. That kind of thing aggravates people and will keep people from being as helpful.
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Old 06-05-2011, 12:17 PM
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yes my truck has esof and the truck will not move at all and just the right rear wheel spins
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Old 06-05-2011, 12:19 PM
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when you say stuck-it's stuck in dirt or mud right, not on pavement (like a wheel seized). Have someone look under the truck and tell you if the front driveshaft is spinning. If it is, have them look by the front wheels and see which axle isn't spinning. Then, lock that hub manually. You can try locking both front hubs manually first. IS the 4x4 light coming on?
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Old 06-05-2011, 12:25 PM
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it can be stock on a grassy area or mud only the one rear wheel is spinning and the 4x4 light is on and I can hear the solenoids operate when I turn the 4x4 switch to 4wheel high or low
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Old 06-05-2011, 12:28 PM
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your hubs are probably seized or leaking. When you put it in 4x4 with the ac or heat on, do the vents switch to the defrosters? Have you tried locking it in by hand-turn the hubs clockwise.
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Old 06-05-2011, 12:32 PM
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the hubs will not turn and I tried using pliers,didn't try using ac or heater while in 4wheel
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Old 06-05-2011, 12:35 PM
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take the hubs out-they are held in by a large snap ring (you can remove it by hand). Then use a rubber mallet to remove them. clean all the gunk off them, soak them in penetrating oil overnight-in the morning try to spin them. If they spin, great. Keep working them in while greasing them. If not, youll need a pair of snapring pliers, and you'llhave to completely dissasemble them and clean/grease them. Not a pleasant task. If you don't feel confident doing this, but a new set of hubs.
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Old 06-05-2011, 12:37 PM
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Read the link below-it is actually very good, and will cover the majority of hub removal/disassembly, cleaning, and assembly.


Welcome to guzzle's 4x4 Autolock Hub Lubrication Maintenance Web Page
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Old 06-05-2011, 05:16 PM
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So whats the deal with the AC switching to defrost when you engage the 4x4 switch?
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