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Drive without front driveshaft

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Will I do any damage to my truck if I take out the front driveshaft and drive, obviously no 4x4? I have to check it this weekend for play, but I can afford to have the shaft rebuilt/yoke replaced right now. Reasoning behind this is a front end vibration at speeds. I'm having some new u joints pressed in today for both axle shafts but both u joints seem tight. Front end is new, new wheel bearings last year, ball joints are tight. Guy at the drivetrain shop said the yoke is probably shot...

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  • Haggar
    Haggar

    The engineers in drive train development or the guys in marketing and sales?  The perspective is completely different.   Its my vote that marketing and sales do the most to obfuscate the ter

  • KATOOM
    KATOOM

    I think pictures do best for something like this.  In short, a CV joint is a constant velocity and a double cardan joint is a "near" constant velocity.  Its very common to hear them being called one i

  • KATOOM
    KATOOM

    Just keeping it real.....  How can someone learn from anything if no ones going to make sure the information being given is accurate.  I wouldn't know half the garbage I know today if it wasn't for so

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So why does it spin with a cad axle? What causes it to move?

The internal drag inside the transfer case from fluid and bearings.  I'm sure the drivers side axle is also helping it turn a small amount simply from the fluid viscosity as the spider gears move.

 

And thanks for the video Cowboy.  Thats awesome.....  Gotta love GoPro's. :thumbup2:

Edited by KATOOM

    • Like 1
    2 hours ago, KATOOM said:

    And thanks for the video Cowboy.  Thats awesome.....  Gotta love GoPro's. :thumbup2:

     

    No problemo.  And, umm, a... it was actually just an old camera and a bungee... :thumb1:

    •
    • Like 1

    Freaking hilarious. :lol3:

    My front shaft when disengaged has a slight resistance to it before I can freely start spinning it, once It's spinning it is very easy to continue to do so but if I stop for few seconds then it gets sticky again. Maybe there is some sort of brake on it somewhere from factory and eventually it wears out and able to spin at will. Or maybe my seals are still that good and that's what's causing that drag, but only for a first 1/8 of revolution then it's like some one let's go the break and it's free. Not sure what it is. But maybe it does exactly what this video shows. 

    Edited by Dieselfuture

    Any "part time" 4wd truck I've had or been around, the front driveshaft would spin somewhat like in that video.  Even an old NP205 which are completely gear driven transfer cases.

    • Like 1
    • Owner

    Dodge had a NP203 series of transfer case that was full time 4WD but it was a differential front to rear case so both shaft spun. Just some old history on transfer cases.

     

    attachment.php?attachmentid=364155&stc=1

     

    These gear teeth on the inside of the carrier (which are chipped and worn) index into the sliding cogs on the shifter. Excessive wear in this area accounted for the majority of noise in this 203, and new parts would be relatively expensive to fix just this one problem. A shaft-style part-time conversion kit could be used to replace the differential side gears but the sliding cogs would remain worn, so noise would still be evident. It was cheaper and better for us to install another NP203 from Boyce.

    Edited by Mopar1973Man

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.