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Old November 28th, 2011, 07:12 AM   #1
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Default Transfer case bearing Problem

The front output shaft bearing is loose and it's not the bearing. The journal that the bearing slides in is wore and opened up enough that it's causing problems ( massive vibes). Is there a way to repair this or do I need to buy a whole front case half?
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Old November 28th, 2011, 09:11 AM   #2
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Buy the front case. They aren't all that much money.
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Old November 28th, 2011, 09:41 AM   #3
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For the Rubicon 241Or I think it's almost $300!
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Old November 28th, 2011, 09:42 AM   #4
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Anybody have a hook up to get a discount at a Jeep/Chrysler Dealership for parts?
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Old November 28th, 2011, 10:55 AM   #5
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is there a bearing race between the bearing and the housing?
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Old November 28th, 2011, 11:33 AM   #6
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Quote:
Originally Posted by Bones View Post
is there a bearing race between the bearing and the housing?
The bearing slides into the case, and IIRC retained by a snap ring. IT's supposed to be a snug fit. Eveidentally, mine is not snug, kinda blown out actually.
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Old November 28th, 2011, 12:59 PM   #7
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It's your CJ haunting you
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Old November 28th, 2011, 01:33 PM   #8
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If you were closer to my store, I'd try to hook you up - I work through an O'Reilly's, we can literally buy something from a dealership with wholesale discount and resell it to you cheaper than the dealer will. I hate doing it - But I've gotta make sales some how. Not a lot of the O'Reilly's guys know we can do that though.
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Old November 29th, 2011, 07:15 AM   #9
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So I tore apart the case (again) last night. This is the third time I've had this thing apart.

Good news is, it's not my case that's screwed up.
Bad news is, I don't know what is wrong.

Last time I had this apart I replaced the rear output bearing and the front output bearing, and the front output shaft needle bearing. I don't remember how tight it was when it went back together, but I still had vibes with the front shaft installed. These bearings don't even have 5,000 miles on them, and there is play on the front output shaft. Even the seal is leaking. WTF!!
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Old November 29th, 2011, 07:46 AM   #10
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Could it be your front driveshaft or front axle?
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Old November 29th, 2011, 07:46 AM   #11
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wear on the yoke bearing diameter? I don't know much about the rubi cases. Is the front output the same as a std 231? It could be the pilot bearing on the back side allowing it to have slop too.
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Old November 29th, 2011, 08:57 AM   #12
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Almost sounds like you have the wrong size bearing in the front. Is there more than one part number for this bearing from year to year? They may have upgraded to a bigger bearing in later years? I'm not familiar with that particular case, just a thought.
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Old November 29th, 2011, 01:42 PM   #13
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Yes, the pilot bearing or needle bearing was replaced as well last time I've had this apart. I'm just going to replace them again, and a new seal, balance my front drive shaft again, and get really pissed off when it's all back together and still vibrating.
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Old November 29th, 2011, 01:43 PM   #14
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Quote:
Originally Posted by manicjester3 View Post
Could it be your front driveshaft or front axle?
All brand new. I've changed my pinion angle mutiple times and it has no effect on the vibes.

The only way to make them go away is by removing the front drive shaft
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Old November 29th, 2011, 02:04 PM   #15
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perhaps the rubi case has a larger front bearing and you got the standard?

Can you shake the front output by hand, or is it only noticable because you can hear it?
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Old November 29th, 2011, 04:10 PM   #16
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It's the right size bearing. I can move the front output in any direction, maybe by 1/64th", or something less than 1/32th".
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Old December 13th, 2011, 03:46 PM   #17
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Did you find the problem?
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Old December 13th, 2011, 05:54 PM   #18
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Tightened up D30 pinion, got some more crush out of the crush sleeve
Replaced both bearings in the front output shaft (again) on the T/Case. (still don't like the looks of the front bearing journal in the case but it's ok).
Had the drive shaft balanced and checked for it being bent. It was a little out of balance and had a bow in it. I've had so many changes on this rig since I've built it I really can't say if it was the shaft or not.

It's all good, for now. We'll see how long it lasts.
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