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Old 01-29-2010, 11:59 AM   #1
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Join Date: Apr 2007
Location: Blairsden, CA (when not on the road)
Posts: 1,084
Atlas Transfer Case

Crawled under my rig just to take a look see after another off road run and when I grabbed the front drive shaft to check for looseness in the U-joints, I noticed that the yoke coming out of the front of the transfer case had lateral movement. Not a good thing. I called Advanced Adapter to get specs and was told that the nut that holds the yoke is supposed to be torqued to 150 ft-lbs. Mine was somewhere around 50. Rather then just tightening it up I decided to replace the seal. Just for others info, it is a one time use nut and rubber washer and are Jeep parts.
Nut: Jeep #4167924
Washer: Jeep #4210973
The seal is Chicago Rawhide #21164
By the way, only lost a teaspoon of fluid doing the job. No need to drain the T-case.
Advance Adapter recommends checking the torque on the nut at 20k intervals. If just tightening, it is OK not to replace it. I went the full route as I was starting to lose some fluid from it.
Something else to put on the schedule.

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it amazes me that so many choose stupid....

2007 RB50, 6.0
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Old 01-29-2010, 08:49 PM   #2
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Location: Franktown, CO
Posts: 7,602
Re: Atlas Transfer Case

I've had to tighten mine due to fluid loss. I have a new nut and seal in the garage just in case, but all it took was tightening.

An oft overlooked aspect of the Atlas is the myriad of places they used stock parts and seals to ensure ease of replacement.

and then
everything changed
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Old 01-30-2010, 09:02 PM   #3
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Join Date: Jan 2010
Posts: 8
Re: Atlas Transfer Case

What low range ratio cases are being used in the SMB's?
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