Eliminate the CAD - 2013 and up - Dodge Cummins Diesel Forum
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post #1 of 10 (permalink) Old 02-21-2016, 04:31 PM Thread Starter
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Eliminate the CAD - 2013 and up

Anyone familar with the 9.25 axles with and without the CAD? I've got a new truck on order and a Dynatrac/Spyntech kit will definitely be added - I'm curious since the 2013 and up trucks have the CAD - could you take a solid axle shaft and replace the CAD with a 1 piece shaft on the long side and eliminate the need for it? Anyone done this mod yet?

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post #2 of 10 (permalink) Old 03-01-2016, 11:30 AM
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I just curious, why? You are wanting to spend money for the same effective result of CAD. The only upgrade would be the greasable front hubs.

To answer your question I bet it could be done, but the electronics will not be happy.

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post #3 of 10 (permalink) Old 03-01-2016, 11:43 AM Thread Starter
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Originally Posted by UncleBubbles View Post
I just curious, why? You are wanting to spend money for the same effective result of CAD. The only upgrade would be the greasable front hubs.

To answer your question I bet it could be done, but the electronics will not be happy.
Once coverting to locking hub the CAD is another point of failure. Why not eliminate it. If the CAD fails you wont have 4wd.
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post #4 of 10 (permalink) Old 03-01-2016, 12:32 PM
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There is no disconnect on the axle shaft itself, both sides long\short are once piece. CAD went out a long time ago on Dodge axles. The only disconnect point is the transfer case. When you switch to 4x4 you are just engaging the transfer case

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post #5 of 10 (permalink) Old 03-01-2016, 12:40 PM Thread Starter
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There is no disconnect on the axle shaft itself, both sides long\short are once piece. CAD went out a long time ago on Dodge axles. The only disconnect point is the transfer case. When you switch to 4x4 you are just engaging the transfer case
Pretty sure they brought it back in 2013 - it's just electronic instead of vacuum actuated.
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post #6 of 10 (permalink) Old 03-01-2016, 03:37 PM
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They did bring it back, my '15 has it. ....but I want to say it came back with the 14's, but I'm not 100%.
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post #7 of 10 (permalink) Old 03-01-2016, 04:09 PM Thread Starter
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The did bring it back, my '15 has it. ....but I want to say it came back with the 14's, but I'm not 100%.
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post #8 of 10 (permalink) Old 03-01-2016, 04:16 PM
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2013 it is!
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post #9 of 10 (permalink) Old 03-01-2016, 05:30 PM
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Even with the CAD don't the outer shafts/U Joints still turn going down the road??

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post #10 of 10 (permalink) Old 03-01-2016, 05:38 PM
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Even with the CAD don't the outer shafts/U Joints still turn going down the road??

Yes, but they wouldn't if he adds the Dynatrac/Spytec hub conversion he mentioned.
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