comanchebuilder21 Posted November 8, 2012 Share Posted November 8, 2012 Blew up my t case ripped it in 2. Trying to put. Pic up can anyone tell me how need some insight on how it might have happened once you see pic Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 8, 2012 Author Share Posted November 8, 2012 https://picasaweb.google.com/m/viewer#photo/108793388754203896000/5808556949214277569/5808556948550909426 Link to comment Share on other sites More sharing options...
Pete M Posted November 8, 2012 Share Posted November 8, 2012 what were you doing at the time? and it almost looks like your account needs a password, because I still can't see the photo with the link. :( Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 8, 2012 Author Share Posted November 8, 2012 Ill set the pic as my profile and I was just doing about 50 when happened Link to comment Share on other sites More sharing options...
Pete M Posted November 8, 2012 Share Posted November 8, 2012 in 4wd? or just 2wd? Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 8, 2012 Author Share Posted November 8, 2012 2wd. But it destroyed the 4wd side Link to comment Share on other sites More sharing options...
Josh Smith Posted November 8, 2012 Share Posted November 8, 2012 Hello, This transfer case is chain-driven and aluminum-housed. If you have the I6 and were doing anything halfway strenuous, and if the transfer case had any major mileage on it, the chain either let go (which, according to your profile pic, it's intact), or stretched to the point it came off and cracked the housing. I'm almost wondering if the houseing cracked first, though, due to excessive torque. Remember, these were designed around driving on snowy streets, not mudding. How was your chain deflection prior to this? Regards, Josh Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 8, 2012 Author Share Posted November 8, 2012 This t case has less then 5k on it and has not been mudded or anyway.offroaded since. Got t case in I messed with it a little and it seems if I put it back together. And weld it up it'd be perfect again Cause the insides were perfect no damage or even shavings Link to comment Share on other sites More sharing options...
Josh Smith Posted November 8, 2012 Share Posted November 8, 2012 Did the mounts all hold? It is sounding more like the aluminum housing let go because of torque -- or because of a flaw in the aluminum casting. If you weld 'er up, make double danged sure of all the bearings, of course. You lost fluid and it doesn't take a whole heck of a lot to score the bearings for eventual lockup and failure. Don't want to do this job a third time, man! Josh Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 8, 2012 Author Share Posted November 8, 2012 Ya all mounts were perfect intact guess ill try an weld it up and hope thanks for the insight Link to comment Share on other sites More sharing options...
Pete M Posted November 8, 2012 Share Posted November 8, 2012 I wouldn't even try to fix that housing. it's not a big deal to swap all those guts into a housing that hasn't yet self-destructed. :yes: Link to comment Share on other sites More sharing options...
mvusse Posted November 9, 2012 Share Posted November 9, 2012 If you have mods to the front axle causing the front driveshaft to always spin when in motion (locker, single shaft conversion, non disconnect axle etc.), the most common cause for that is the double cardan joint on the front driveshaft locking up from lack of lubrication. Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 9, 2012 Author Share Posted November 9, 2012 Ya my front shaft always spins but. It was perfectly lubricated it still is but hey I got some good insight. Thanks guys. I'm gonna put my spare in till I order a performance. One Link to comment Share on other sites More sharing options...
Garvin Posted November 9, 2012 Share Posted November 9, 2012 The 2wd section looks like it's all in tact so my guess would be something was binding and caused the 4wd section to rip off. What you say it only has 5k miles on it, was it a rebuilt? A bearing not being fully seated could cause something like this to happen. I've seen a case that blew up like that once before in person. The issue with that case was that something in the front drive shaft let loose and snapped the end off of the transfer case. Link to comment Share on other sites More sharing options...
xjrev10 Posted November 11, 2012 Share Posted November 11, 2012 I seen a case like that before. It was in a grand cherokee. Bone stock with just over 100k. Blew apart at highway speed. $#!& happens. Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 12, 2012 Author Share Posted November 12, 2012 OK so I know nothing bout t cases can anyone tell me what model it is its from my 88 Link to comment Share on other sites More sharing options...
Pete M Posted November 12, 2012 Share Posted November 12, 2012 np-231 Link to comment Share on other sites More sharing options...
comanchebuilder21 Posted November 12, 2012 Author Share Posted November 12, 2012 Thanks Link to comment Share on other sites More sharing options...
jpnjim Posted December 31, 2012 Share Posted December 31, 2012 I saw this tcase pic from your other thread. If you were just cruising down the highway, it probably.didn't break from contact, or the ft shaft bottoming out. Weird. Could it be possible something didn't go back in right on the recent rebuild? Did it bind when turning on pavement in 2wd, or did it turn freely like it should? Any chance it was accidentally left in 4wd on pavement for a long trip? Link to comment Share on other sites More sharing options...
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