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242 Transfer case swap???

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Old 09-23-2012, 07:59 PM   #1
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Default 242 Transfer case swap???

Hi guys. I have the 232 t case in my 99' XJ. I want to have the 'full time' capability of an XJ with the Select trac 242. Is it a direct swap? I heard the 242 is a half inch shorter. I have a double cardamom drive shaft and I think enough length with my lift were 1/2" won't hurt me. Is it a direct swap? I'm also wondering if I can find an XJ with one, are there an other vehicles that have the same transfer case for a direct swap? I'm moving back to CT and I like the full time 4wd for the snow for my wife. Thanks!
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Old 09-23-2012, 08:52 PM   #2
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Any XJ 242 from a 91-01 should work. Might have to splice in some wiring. Not sure. Bout to go from a 242 to a 231 actually. I'd swap ya if you were in Indianapolis.
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Old 09-23-2012, 09:08 PM   #3
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Drive shaft might need to replaced as well.
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Old 09-23-2012, 10:12 PM   #4
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Swap right in. Still dont understand why you want the 242 though. Driveshafts aren't a concern. You might need to swap the speedo sensors that are in the tail housing if the plug doesn't match.
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Old 09-24-2012, 07:49 AM   #5
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Ok, being new to Jeeps I get it, I am missin something. Why is the 231 better than the 242?
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Old 09-24-2012, 08:43 AM   #6
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Its really just preference. I've read that the 242 is stronger than the 231. I've also read the opposite. Having had both. I can say that the full time 4wd didn't get a lot of use from me. I could never tell for sure when it engaged. Now having the 231 in My 99 if I need 4wd and I'm going under 50mph. I can just put the lever and bam 4wd.
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Old 09-24-2012, 05:59 PM   #7
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Good input. Thank you
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Old 09-26-2012, 10:27 AM   #8
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I came across this when i was looking at swaps. Its really for zj's but it has alot of good info you can use.

http://www.jeepforum.com/forum/f13/t...-np242-685644/
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Old 09-26-2012, 10:48 AM   #9
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For some reason the link isnt working on my phone, so here is the info you really need

All 96-01 XJ's: .840" 23 spline input
92-95 XJ's: .750" 23 spline input
91 and older XJ's: .750" 21 spline input

So for you to have the correct input shaft length youll need a transfer case from a 96-01
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Old 09-27-2012, 07:53 AM   #10
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Great link! Thanks!
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