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Shifting transfer case issues

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Old Jun 4, 2014 | 08:16 PM
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Shifting transfer case issues

1973 360 4x4 auto

I have manual locking hubs on my truck and leave them unlocked when I am driving. My issue is when I put the transfer case in to hi-unlocked position I have no power to my rear wheels and my front driveline spins.

Also when put the lever into an unlocked position it never feels like it 'clicks' in. I can definitely feel it click when its 'locked' and the locked light comes on. With my hubs locked I can drive the truck in the 'unlocked' position but makes me nervous as the transfer case doesn't feel clicked in and feels like in can slip out easy. Which it sounded like it did for a sec when on a test drive, after slowing and stopping I was still able to have power to the wheels though after the 'slip' noise but made me nervous.

Any ideas? This transfer case is all new to me. Just to be clear 'locked' is for offroad and sends power to my front and rear axel equally.


Thanks for all the help.

 
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Old Jun 4, 2014 | 08:24 PM
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Also is it bad to drive the truck on the road in Hi "Locked" with the hubs unlocked??
 
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Old Jun 4, 2014 | 09:32 PM
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You have a NP203 transfer case which has a differential inside of it. It is a fulltime transfercase. Your have to keep you hubs locked to run the transfer case in the unlocked position.
Running with hubs unlocked and transfer case in locked position all the time is bad.

Since you front end has been switched to part-time hubs you need to install the part time kit in the transfer case.
 
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Old Jun 4, 2014 | 09:35 PM
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From: Wingo, Ky
Originally Posted by mx21
Also is it bad to drive the truck on the road in Hi "Locked" with the hubs unlocked??
Yes it is. Until you install the correct kit in t-case drive with hubs locked in and t-case in the hi non-locked position.
 
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Old Jun 4, 2014 | 10:56 PM
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Originally Posted by 79FordBlake
Yes it is. Until you install the correct kit in t-case drive with hubs locked in and t-case in the hi non-locked position.
Is there anyway to know if a kit has already been installed? Are manual locked hubs stock on some trucks? I'm wondering why you would add them and not a kit in the transfer case.

When you put the truck in no locked position is there any type of "solid lock" feel. My transfer case shifter moves back and forth like it's almost in a neutral type position. When in the locked position the shifter goes in "gear" not neutral feeling if that makes sense...

Thanks for the help .
 
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Old Jun 5, 2014 | 03:36 AM
  #6  
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Is this an F100?
 
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Old Jun 5, 2014 | 08:49 AM
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Originally Posted by redroad
Is this an F100?
No its a F250.
 
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