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Author Topic: Broken output shaft. DAMN!  (Read 3848 times)

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N8whitie

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Broken output shaft. DAMN!
« on: October 12, 2010, 10:17:03 PM »
So I'm driving home today going through Hayward, make a left turn down Campus Dr and SNAP! WAP! WAP! WAP! I stopped immediately and got out, crawled under my rig to see a broken output shaft. I had to get it towed home.  I guess tomorrow I'm going to get an SYE like I should have done in the first place. I love it, as soon as I fix one thing another breaks immediately after.
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Offline Jeffy

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Re: Broken output shaft. DAMN!
« Reply #1 on: October 12, 2010, 10:33:55 PM »
Did it take out the rear tail cone?  If not you can get a new output shaft for a quick fix.  $12.  A SYE is a good idea though.  Still, I haven't run one...
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Offline sharpxmen

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Re: Broken output shaft. DAMN!
« Reply #2 on: October 12, 2010, 11:22:07 PM »
N8, you got the 4.5'' lift if i'm not mistaking, did you get a t-case lowering kit with it? if not that's why it broke, the slip yoke won't slip at that angle, more pull on the output shaft - so you'll either need the SYE or a t-case lowering kit.
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Offline Jeffy

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Re: Broken output shaft. DAMN!
« Reply #3 on: October 13, 2010, 12:02:51 AM »
Quote from: sharpxmen on October 12, 2010, 11:22:07 PM
N8, you got the 4.5'' lift if i'm not mistaking, did you get a t-case lowering kit with it? if not that's why it broke, the slip yoke won't slip at that angle, more pull on the output shaft - so you'll either need the SYE or a t-case lowering kit.
You can see some spacers in one of his pics.
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

N8whitie

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Re: Broken output shaft. DAMN!
« Reply #4 on: October 13, 2010, 09:18:17 AM »
The cone is fine, i caught the breakage the second it happened so I stopped to prevent anymore damage. I think I'm goint to pick up an SYE today and throw it in. The jeep had the T case lowering kit from the previous guys lift.
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Offline neale_rs

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Re: Broken output shaft. DAMN!
« Reply #5 on: October 13, 2010, 09:43:41 AM »
What actually broke?  Was it the drive shaft or something internal to the transfer case?

Either way, an SYE along with a CV driveshaft is good to have.
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Offline sharpxmen

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Re: Broken output shaft. DAMN!
« Reply #6 on: October 13, 2010, 09:47:06 AM »
Quote from: Jeffy on October 13, 2010, 12:02:51 AM
You can see some spacers in one of his pics.

didn't notice, SYE then and call it done.
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'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
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Offline Mozman68

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Re: Broken output shaft. DAMN!
« Reply #7 on: October 13, 2010, 10:43:00 AM »
Why not just remove the shaft and drive home in front wheel drive??

My driveshaft ujoint was ready to fail and I drove around like that for a couple of days.
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Offline sharpxmen

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Re: Broken output shaft. DAMN!
« Reply #8 on: October 13, 2010, 10:54:40 AM »
Quote from: Mozman68 on October 13, 2010, 10:43:00 AM
Why not just remove the shaft and drive home in front wheel drive??

My driveshaft ujoint was ready to fail and I drove around like that for a couple of days.

with YJs the d/s slip yoke is the one that seals the t-case from losing the fluid, would spill out if the d/s is removed.
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'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline Mozman68

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Re: Broken output shaft. DAMN!
« Reply #9 on: October 13, 2010, 10:56:09 AM »
Quote from: sharpxmen on October 13, 2010, 10:54:40 AM
with YJs the d/s slip yoke is the one that seals the t-case from losing the fluid, would spill out if the d/s is removed.

That's a VERY good reason.... :wave:
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Offline FourbangerYJ

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Re: Broken output shaft. DAMN!
« Reply #10 on: October 13, 2010, 02:04:28 PM »
From what I have heard a Gatoraid cap is a good fit to stop the fluid from leaking out of a 231 with the driveshaft removed. A bit of duct tape to hold it in place.
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N8whitie

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Re: Broken output shaft. DAMN!
« Reply #11 on: October 13, 2010, 02:06:21 PM »
Its strange that I didn't have problems with the previous lift then as soon as I change it I get problems. I did notice that the shims were a bit smaller than the shims on the stock springs. I also notice another thing and its that the skinny part of the shim was pointing forwards on the previous and the BDS kit told me to put the fat part pointing forward.
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Offline Jeffy

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Re: Broken output shaft. DAMN!
« Reply #12 on: October 13, 2010, 02:30:56 PM »
There shouldn't have been shims on there at all but with those shackles the PO had to dial back the pinion angle so it wasn't pointing straight up.  The new shims were needed to point the pinion up a bit to get rid of some of the angle.

It breaking when it did, doesn't mean it was the lifts fault.  It could have happened prior but changing it caused it to break.
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

N8whitie

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Re: Broken output shaft. DAMN!
« Reply #13 on: October 13, 2010, 03:02:06 PM »
Yeah, that thought was in the bak of my head but just wasn't sure. OK, I'm looking at ordering the Heavy Duty SYE kit for the NP231 from Advanced Adapters. Am I going to need a new ear rdriveshaft as well? Im reading the page here and thats what it sounds like.
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N8whitie

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Re: Broken output shaft. DAMN!
« Reply #14 on: October 13, 2010, 03:45:34 PM »
Just called Tom Woods and my SYE and rear double cardan DS is on the way. Whole thing cost me 530 in total but I figure i might as well go with top quality if I'm replacing things now.
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