Driving with out front drive shaft? - JeepForum.com

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post #1 of 16 Old 12-18-2007, 11:30 AM Thread Starter
jeep06
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Driving with out front drive shaft?

Finally removed my front drive shaft to R&R the squeaky sparrows and was wondering if it will be ok to drive the Jeep with the front shaft removed? The only thing I am worried about is lubrication in the TC with the front yoke not spinning. I figure the input or rear output shafts must provide most of the lubrication in the case. TIA!!


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post #2 of 16 Old 12-18-2007, 11:34 AM
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you'll be fine, i've done it for months.
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post #3 of 16 Old 12-18-2007, 11:37 AM
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Don't worry about it. This past weekend I drove around without mine until I got the front driveshaft overhauled for the same problem.

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post #4 of 16 Old 12-18-2007, 11:39 AM
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if you are worried about lubing the front yoke bearing just put the TC in 4 hi
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post #5 of 16 Old 12-18-2007, 11:56 AM
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Quote:
Originally Posted by jeeparoo
if you are worried about lubing the front yoke bearing just put the TC in 4 hi
-Christopher
The TJ's t-case front output bearing is only spinning when it's being spun by the front driveshaft. This is because the TJ's NP231 t-case does not power the front yoke in 2wd since the TJ's NP231 provides a true neutral for the front output shaft when it's in 2wd. This is different from the older NP231 used in the YJ which does continually spin the front output shaft and bearing even when in 2wd.

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post #6 of 16 Old 12-18-2007, 12:01 PM Thread Starter
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Quote:
Originally Posted by Jerry Bransford
The TJ's t-case front output bearing is only spinning when it's being spun by the front driveshaft. This is because the TJ's NP231 t-case does not power the front yoke in 2wd since the TJ's NP231 provides a true neutral for the front output shaft when it's in 2wd. This is different from the older NP231 used in the YJ which does continually spin the front output shaft and bearing even when in 2wd.
Thanks for the info.... Mine is the 241 (Rubicon) and the biggest thing I was worried about was everything else would still get lubed ok,,,but looks like the oil pump must drive off the rear output or the main input shaft. Yes mine is a positive disconnect on the front TC output, after I removed the driveshaft, the yoke spun freely. Thanks again!!

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post #7 of 16 Old 12-19-2007, 10:36 PM Thread Starter
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Sparrows are dead

Got my front drive shaft put back in today with all new joints including the centering ball assembly. When I pulled it off, the centering ball looked good, nice and clean with plenty of grease in it. I had it rebuilt anyway since I didn't want it puking on me in the middle of Winter here. He said everything looked good, well that's my luck. I did notice most of the u-caps were pretty shiny like they were working around in the yokes. I couldn't really tell how tight the bolts were with the factory locktite on them. Guess I have piece of mind if nothing else and a CV joint I can grease now!!

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post #8 of 16 Old 12-21-2007, 11:34 PM Thread Starter
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Just wanted to say after a few days the sparrows are still sleeping and to tell everyone I finally upgraded my account. I feel better already helping out the forum and now I can do some of the neat things on here!! Merry Christmas fellow Jeepers!!!!

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post #9 of 16 Old 01-10-2008, 10:55 AM
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Back to the original question.....Will driving without the front drive shaft in stalled for a long period of time do any damage?
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post #10 of 16 Old 01-10-2008, 10:59 AM
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Quote:
Originally Posted by deco
Back to the original question.....Will driving without the front drive shaft in stalled for a long period of time do any damage?
you will be fine

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post #11 of 16 Old 01-10-2008, 10:59 AM
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Quote:
Originally Posted by deco
Back to the original question.....Will driving without the front drive shaft in stalled for a long period of time do any damage?
What's a long period? I drove without mine in for about +/- 4 months last year.

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post #12 of 16 Old 01-10-2008, 11:00 AM
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Quote:
Originally Posted by deco
Back to the original question.....Will driving without the front drive shaft in stalled for a long period of time do any damage?
no you'll be fine
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post #13 of 16 Old 01-10-2008, 04:09 PM
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Guys with Warn hubs up front dont spin the front shaft at all when the hubs are unlocked. I wouldn't worry about it. Dont shift into 4hi thou. Unless you like the grinding, screaming cry from your T-Case.

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post #14 of 16 Old 01-10-2008, 05:31 PM
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Quote:
Originally Posted by kizer
Guys with Warn hubs up front dont spin the front shaft at all when the hubs are unlocked. I wouldn't worry about it. Dont shift into 4hi thou. Unless you like the grinding, screaming cry from your T-Case.
All very true.

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post #15 of 16 Old 01-11-2008, 09:34 AM
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Quote:
Originally Posted by kizer
Dont shift into 4hi thou. Unless you like the grinding, screaming cry from your T-Case.
That scared me when I did that without realizing my front hubs were still unlocked. I had to sit for a few moments to think through what was happening before I figured out nothing was really wrong. It scared the crap out of me.

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