Transfer Case Swap Info NP249->NP231 & NP242 - Page 124 - JeepForum.com

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post #1846 of 3115 Old 12-01-2013, 11:22 PM
Amanda123
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1999 XJ Cherokee 
 
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1999 jeep grand cherokee transfer case issues

Hello, I don't know much about vehicles so bare with me here lol the transfer case is shot in my jeep and my friend had a n 88 jeep cherokee
So he went ahead and put his in my jeep after I told him it prob wouldn't work it fit, but now it seems to be stuck in my4 low and makes a horrible
Clicking noise in reverse. He has tried switching the linkage on the transfer case n it's way hard and keeps slipping off. Help!!!!! Thanks

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post #1847 of 3115 Old 12-01-2013, 11:35 PM
hondakilla98
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Quote:
Originally Posted by Amanda123 View Post
Hello, I don't know much about vehicles so bare with me here lol the transfer case is shot in my jeep and my friend had a n 88 jeep cherokee
So he went ahead and put his in my jeep after I told him it prob wouldn't work it fit, but now it seems to be stuck in my4 low and makes a horrible
Clicking noise in reverse. He has tried switching the linkage on the transfer case n it's way hard and keeps slipping off. Help!!!!! Thanks
What year is your rig? Is it a grand Cherokee? Which case did you put in? What case was in it before?

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post #1848 of 3115 Old 12-01-2013, 11:51 PM
Amanda123
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1999 jeep grand cherokee transfer case issues

It's a 1999 jeep grand cherokee laredo 4.0 6 cylinder it had a selec trac
The other one is a 1988 jeep cherokee lol not sure much about it
besides the fact he probably shouldn't of put that transfer case in mine
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post #1849 of 3115 Old 12-02-2013, 12:05 AM
Amanda123
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I don't know why's it makes noises in reverse n
Seems it's in 4 low
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post #1850 of 3115 Old 12-02-2013, 02:05 PM
Platinum5nine
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You cant use an 88 cherokee case in a 99., they arent even the same spline count. No idea how he got it to fit but im sure it's not pretty.

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post #1851 of 3115 Old 12-03-2013, 03:20 PM
Aaron97zj318
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TC swap help

i have a np231 transfer case sitting around and i am getting bored with my zj's np249, is the swap easily done or is there a few mods i have to make?
thanks
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post #1852 of 3115 Old 12-03-2013, 09:16 PM
zarnold
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Quote:
Originally Posted by Aaron97zj318
i have a np231 transfer case sitting around and i am getting bored with my zj's np249, is the swap easily done or is there a few mods i have to make? thanks
Yeah, it's a easy swap. Read from page one it's pretty much in this thread. In the snow and slush the 249 outperforms the 242, let us know the differences between the 249 and 231.
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post #1853 of 3115 Old 12-03-2013, 11:59 PM
Platinum5nine
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You also cant wire the 231 to make the VIC display the gear selections properly which is one of the reasons the 242 is the most common swap.

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post #1854 of 3115 Old 12-05-2013, 09:54 AM
Aaron97zj318
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okay, once the weather clears up a bit ill get started with the swap and let you's know how it turns out/performs.
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post #1855 of 3115 Old 12-05-2013, 10:16 AM
mrgimble
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Originally Posted by mrgimble View Post
Just did a NP242 swap from a 2000 XJ in to a 1997 5.2 to replace the NP249. Followed the how to and everything went great.

My rear DS is 1.5" too long, as expected.
Front shaft fit fine.
I used the mode switch and speedo gear housing from the 242.
Changed plug behind the VIC and now the proper mode is displayed.

Thanks for the how to. woohoo
Just to post info for future readers, I had 1.25" taken off my rear drive shaft and it fits perfect.
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post #1856 of 3115 Old 12-05-2013, 01:11 PM
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Originally Posted by Platinum5nine View Post
You also cant wire the 231 to make the VIC display the gear selections properly which is one of the reasons the 242 is the most common swap.
According to my '98 FSM, the VIC is indicating as designed with the NP231 swap I did into my wife's 5.9L: 2WD - "PART TIME" - N - "PART TIME" It doesn't light up the "LO", but the FSM says that it shouldn't.
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post #1857 of 3115 Old 12-05-2013, 03:54 PM
Platinum5nine
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Originally Posted by RWC View Post
According to my '98 FSM, the VIC is indicating as designed with the NP231 swap I did into my wife's 5.9L: 2WD - "PART TIME" - N - "PART TIME" It doesn't light up the "LO", but the FSM says that it shouldn't.
231 only has part time, neutral, 4Lo. The ZJ from 96-98 only came pre wires to properly display the 249 and 242 because those were the only 2 cases used on 2nd gen ZJ's

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post #1858 of 3115 Old 12-05-2013, 04:48 PM
RWC
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Originally Posted by Platinum5nine View Post
231 only has part time, neutral, 4Lo. The ZJ from 96-98 only came pre wires to properly display the 249 and 242 because those were the only 2 cases used on 2nd gen ZJ's
I was also surprised to see that the '98 FSM has a chart that includes what the VIC should display when the '98 ZJ is equipped with an NP231. But it's right there on the page. And the VIC is displaying exactly what the '98 FSM says it should: 2WD has the two back tires lit, 4-high has all four tires lit and the words "PART TIME", neutral has no tires and no text, and 4-low has all four tires and "PART TIME" again. I'd like for the "LO" to light up, but the '98 FSM tells me that it shouldn't.
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post #1859 of 3115 Old 12-05-2013, 05:27 PM
Platinum5nine
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OK so it's not working the way it should, it's showing part time for LO, with the 242 you get 2wd, part time, full time, neutral, and LO all on the display. Either way though its just the display. if it doesnt bother you that it doesnt display perfectly, roll with it. It would bother me though lol

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post #1860 of 3115 Old 12-05-2013, 05:39 PM
RWC
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Originally Posted by Platinum5nine View Post
OK so it's not working the way it should, it's showing part time for LO, with the 242 you get 2wd, part time, full time, neutral, and LO all on the display. Either way though its just the display. if it doesnt bother you that it doesnt display perfectly, roll with it. It would bother me though lol
It did bother me . . . until I read the FSM which told me it's indicating correctly.

It's just not working that way you and I would like it to work. But it's displaying the way Chrysler says an NP231 in a '98 ZJ should display. That's good enough.

Plus, if I can't tell when it's in low-range, I've probably got bigger problems.

I understand the 242 has more display options, as well as more actual options. I'm down with a 242, but I like the bullet-proof reliability and commonality of the 231. Plus, I had the 231 sitting in a '95 ZJ. My wife and I also don't mind shifting in-and-out of 2WD-4HI when conditions dictate it.
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