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a 4x4 drive train question?

Old Aug 17, 2014 | 10:38 PM
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Default a 4x4 drive train question?

my truck has the tracloc system from chrystler.
heres my scenario.
the truck in neutral, all wheels on the ground. cad system unlocked. should i be able to spin the front drive shaft freely? shouldnt the diff be locking up on the one side of the axle and not be able to turn?
the rear dont move, so i obviously dont understand something.
 
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Old Aug 18, 2014 | 01:49 AM
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No your front drive shaft should spin in 2WD because you don't have tracloc in the front. It is an open differential so what is happening is the spider gears are just walking around one side. It is the same thing as if you were to hold one side from turning and turn the other side.
 
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Old Aug 18, 2014 | 10:12 PM
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from what i understand- the tracloc will spin the side of least resistance. so if the c.a.d. is dist, then the "trashlock" will spin the passenger and not the driver side. my old ford had one dominant wheel the right in the back, and one dominant frt left. i could NOT spin that drive shaft with the wheels on the ground. so the ram doesnt have a dominant wheel!? IT ISNT AN OPEN DIFF.. its the chrystlers version of a lsd system.
now that we agree to disagree. and all that is straight. how do i test a tracloc to determine if the clutches are toast? last winter i got SO stuck in a drift! but the frt wheels tried to help- occasionally!
should i be able to spin the drive shaft if the front wheels are on the ground?
 
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Old Aug 18, 2014 | 10:25 PM
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They only put the trash lok in rear axles

if your front diff is stock it indeed an open diff

also an open diff will spin the side of least resistance. thats why open diffs suck. get one wheel in mud and youre toast.

the clutches are supposed to engage when one side starts spinning faster than the other which engages the other side. or something along those lines.
 

Last edited by Ham Bone; Aug 18, 2014 at 10:29 PM.
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Old Aug 19, 2014 | 05:17 PM
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my traction side was switching back and forth though i hadnt much torque to help me out of the drift! so is that not tracloc?
looks like a tracloc, smells like a tracloc, tastes like a tracloc! hum ect ect...
 
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Old Aug 19, 2014 | 05:41 PM
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Are you talking about the front axle? Becuase nothing you've said seems like it has anything besides an open diff in it.
 
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Old Aug 19, 2014 | 05:57 PM
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None of them came from the factory with an LSD of any flavor in the front axle. Not on the second gens.

If you are in a low-traction situation, with an open diff, the tire with the LEAST traction is going to get all the power. On snow/ice/loose surface of any nature, it isn't surprising to see one side slip, and then the other.
 
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