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Can you lock the diffs on a 89 YJ ?


 
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ant996
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Joined: 26 Dec 2005
Location: spain

PostPosted: Mon Dec 26, 2005 1:58 am    Post subject: Can you lock the diffs on a 89 YJ ? Reply with quote

Had a few probs with the the 4x4 on my yj. now got that sorted but can you lock the diffs?. I know there is a shift motor on the front diff but not sure how it works?. Does anyone know if there is any diagrams and any info on this?/

cheers ant996
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DozerDan
What the deuce?
What the deuce?


Joined: 03 Jan 2004
Location: Where im at

PostPosted: Mon Dec 26, 2005 6:38 pm    Post subject: Reply with quote

You can lock any diff. one an 89 you would be most apt to lock the fron than the rear.. Your axles are a d30 and a D35, the 30 is more forgiveing than the 35. Yes your front diff is vacccumme disconeected.


For anthing less than 33's you are "safe" locking eiehter, above that lock only the front , even then with the wrong application of the skinny pedal it will break
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ant996
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Joined: 26 Dec 2005
Location: spain

PostPosted: Tue Dec 27, 2005 12:30 am    Post subject: locking the diffs Reply with quote

thanks 4 the reply, but how does the diffs lock?
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dakwag
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Joined: 21 Feb 2006
Location: Woodstock, GA

PostPosted: Tue Feb 21, 2006 6:20 pm    Post subject: Reply with quote

basically, you will be taking out the spider gears and replaceing them with the locker so that niether wheel will ever turn slower than your ring gear. this means that even with one wheel up in the air the other will still turn. Putting lockers in your back D35 will be a little easier because the whole opperation can be performed with the carrier inside the diff case. The front D30 will probably involve taking the carrier out and removing the ring gear to get the locker in. Not real difficult but you would want to do some research so you don't mess with the backlash.
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94 2.5, 4in. Rusty's suspension lift, 33MTs, D30 Lock Right, D35 Lock Right, MM 8000 Winch
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shotgun
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Joined: 23 Jan 2006

PostPosted: Wed Feb 22, 2006 12:25 pm    Post subject: Reply with quote

While he has 75% or the same weaknesses as the ~91+ dana35. He has pressed on bearings. I wouldn't worry about locking the rear unless your heavy in the foor. All of the axle carnage I have ever seen has been due to bouncing. I'm welded up in the rear and have no problems but then I don't let the jeep bounce.

the option your probally looking for is a detroit ezlocker, lockright, no-slip, or aussie locker.
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