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  #21  
Old 02-05-2014, 06:31 PM
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Originally Posted by Swaggerville Ram View Post
You rely on vacuum actuation. It is not full manual. For full manual you you'll need manual locking hubs. Without the vacuum actuator doing its thing you still have no 4x4 regardless if you tcase is manually selected into 4wd
Should have worded myself better. The 98 cummins has the manual 4x4 and also has manual locking hubs (I don't know if it's stock or not, the truck was brought to dealership used well before I started working there. Our F350 also has manual locking hubs
With my truck (08 Hemi 1500) I just meant I don't have the "4x4 auto" option and do have a different transfer case then the 4th gens with it.
All I know is that I used 4x4 all day today in the snowy hell we are having, and never had an issue of getting stuck or a hesitation (unlike the chevy I had to help push through an intersection )
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  #22  
Old 02-05-2014, 06:45 PM
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Quote:
Originally Posted by Swaggerville Ram View Post
You rely on vacuum actuation. It is not full manual. For full manual you you'll need manual locking hubs. Without the vacuum actuator doing its thing you still have no 4x4 regardless if you tcase is manually selected into 4wd

You mean like these on my '11?


Hehehehe
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  #23  
Old 02-05-2014, 08:09 PM
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My point is we've been relying on "systems" for a long time.
Manual locking hubs on a 98 ram is an aftermarket kit or someone wisely swapped in parts from a ford dana 60

No matter if the lever is in the tcase, the Center axle disconnect still has to work (unless the front has a spool)

Back to the original topic, if in lock, or 4low the electronic clutch should be engaged, and not running through the ESP system like it does in Auto mode.
Now whether that is whats happening, I couldn't say.
I know it's been discussed on here before and I'm no proponent for the AUTO function transfer cases, as they tend to fail more often than non auto.
If it is still acting like its in auto mode in the other selections that sounds like a programming F up.
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  #24  
Old 02-05-2014, 08:15 PM
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Quote:
Originally Posted by battlerattle View Post
You mean like these on my '11?


Hehehehe
Power wagon FTW

BFG A/T KO? Pretty tame for a serious offloading machine. Lol
We both know that is not stock on a 98
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  #25  
Old 02-05-2014, 08:25 PM
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I think what the OP is simply pointing out is that the Borg Warner 44-44 transfer does not solidly lock the front and rear output shafts together. They are "locked" (Chrysler's term used in the RAM marketing material) together via a clutch of some sort.

This isn't an issue with how the t-case is told to lock up, the problem is the actual design.

I can't find any info from Borg Warner on the 44-44 or any cutaway drawings of it. Are there any techs on here that may have been inside one of them??
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  #26  
Old 02-05-2014, 08:37 PM
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Quote:
Originally Posted by Adanac Ram View Post
I think what the OP is simply pointing out is that the Borg Warner 44-44 transfer does not solidly lock the front and rear output shafts together. They are "locked" together via a clutch of some sort.

This isn't an issue with how the t-case is told to lock up, the problem is the actual design.

I can't find any info from Borg Earner on the 44-44 or any cutaway drawings of it. Are there any techs on here that may have been inside one of them??
I know what the OP is saying. But is it his, or is it them all.

An electronic clutch.
The cutaway pic I saw it still contained a chain and the other usual components, but added an electronic clutch. Now whether this cut away pic was accurate is another thing.

I disagree. To contain the auto mode it has to do that. Otherwise it has to go back to the 70's technology and go full time with compensating gears. I think it is an issue of programming.
It clearly operates in its auto mode, meaning the clutches are engaging when told to. It's just not being told to "stay locked" IMO

You are correct about very little info about them, but what little info I found was talking about the electronic engagement.
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  #27  
Old 02-05-2014, 08:45 PM
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Just found this video/animation...

??

Borg Warner only advertises "Part Time" systems and these "On Demand" systems... I think this is what the 44-44 is based on.

http://www.borgwarner.com/en/torqtra...Pages/TOD.aspx
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  #28  
Old 02-05-2014, 08:51 PM
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This BW literature states "full lock capability".

Is it possible to fully lock the clutches so there is no way for them to slip once engaged. In the OP's description of the slip at the curb, that would mean that once the slip is detected these get locked (magnetically with gear, pin, ??) ??

http://www.borgwarner.com/en/torqtra...-%20%20TOD.pdf
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  #29  
Old 02-05-2014, 09:03 PM
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Quote:
Originally Posted by Adanac Ram View Post
This BW literature states "full lock capability".

Is it possible to fully lock the clutches so there is no way for them to slip once engaged. In the OP's description of the slip at the curb, that would mean that once the slip is detected these get locked (magnetically with gear, pin, ??) ??

http://www.borgwarner.com/en/torqtra...-%20%20TOD.pdf
That's exactly my point. I don't think the OP's truck is receiving the full lock command. Whether its the OP's truck or a programming flaw is the question.
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  #30  
Old 02-05-2014, 10:23 PM
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They ALL do it ! its called on demand .... you will never be locked in. these transfer cases are AWD cases.. they have clutches,when coasting and or your off the gas the clutch coils is not on/not locked in.
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