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Thread: Transfer Case Swap Info NP249->NP231 & NP242 Reply to Thread
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  Topic Review (Newest First)
11-30-2019 01:52 PM
kg6mov All ZJ/XJ/MJ/YJ/TJ front shaft u-joints are the same 1310's.

That sounds like it'd be about the right length if you're measuring correctly.
11-30-2019 01:44 PM
terpsmandan
Quote:
Originally Posted by SoCalJeep4x4 View Post
I swapped a 242 into my project 96 ZJ. MY ZJ came with no front drive shaft and now I need to find one that will fit. Both the tc and differential have u joint yolks and measures 31 from center of yolk to center of yolk. Any idea of what ds may fit?


Edit: I found a drive shaft on ebay I think will work. It is for an XJ and measures
Extended Length: 33 inch
Over Compressed Length: 30.7 inch

https://www.ebay.com/itm/383105602653

Do you guys think this will work?
It should, but before purchase, I would verify that your Dana 30 has the same size yoke as the Dana 30 in a 93. Also I would be curious to see why the AW4 is the only compatible transmission.
11-29-2019 08:44 PM
SoCalJeep4x4 I swapped a 242 into my project 96 ZJ. MY ZJ came with no front drive shaft and now I need to find one that will fit. Both the tc and differential have u joint yolks and measures 31” from center of yolk to center of yolk. Any idea of what ds may fit?


Edit: I found a drive shaft on ebay I think will work. It is for an XJ and measures
Extended Length: 33 inch
Over Compressed Length: 30.7 inch

https://www.ebay.com/itm/383105602653

Do you guys think this will work?
11-15-2019 07:53 AM
terpsmandan And it's done. It goes all the way into 4lo. Still have to swap the plugs in the VIC and it's a little stiff coming out of 4lo but it all works. This is a great thread.
11-14-2019 04:14 PM
terpsmandan
Quote:
Originally Posted by PolkaPower View Post
Plate to handle? I swapped the entire shifter assembly from the 4.0 242 in. It was a little tedious but not terrible. Only took twice to adjust it until it worked great.

Sent from my BND-L24 using Tapatalk
I need to proofread.... I was concerned about getting the part that attaches to the shift lever. Probably not bad once you get the OEM linkage out of the way.
11-14-2019 03:29 PM
PolkaPower
Quote:
Originally Posted by terpsmandan View Post
Was it difficult to get the plate to handle installed or was it easier once you get the rest of the crap out of way?
Plate to handle? I swapped the entire shifter assembly from the 4.0 242 in. It was a little tedious but not terrible. Only took twice to adjust it until it worked great.

Sent from my BND-L24 using Tapatalk
11-14-2019 02:13 PM
terpsmandan No wonder I was so confused. Their picture is backwards.....
11-14-2019 01:59 PM
terpsmandan
Quote:
Originally Posted by PolkaPower View Post
I've been using mountainvistafabrication.com linkage and it's been working flawlessly for a while now. Shifts much better than the stock garbage.

Sent from my BND-L24 using Tapatalk
Was it difficult to get the plate to handle installed or was it easier once you get the rest of the crap out of way?
11-14-2019 01:24 PM
PolkaPower
Quote:
Originally Posted by terpsmandan View Post
Finally got a hold of a proper transmission jack and that made it relatively easy. Two hour and tries to get it positioned. What is up with the linkage. I cannot get it to go full the full range. Considering trimming the adjustment rod after getting it set seeing as how the extra length seems to interfere. Any other suggestions besides aftermarket?
I've been using mountainvistafabrication.com linkage and it's been working flawlessly for a while now. Shifts much better than the stock garbage.

Sent from my BND-L24 using Tapatalk
11-14-2019 08:39 AM
terpsmandan Finally got a hold of a proper transmission jack and that made it relatively easy. Two hour and tries to get it positioned. What is up with the linkage. I cannot get it to go full the full range. Considering trimming the adjustment rod after getting it set seeing as how the extra length seems to interfere. Any other suggestions besides aftermarket?
11-11-2019 12:43 PM
terpsmandan I'm picking up one of these from the rental shop Wednesday. Casters on all four corners.
11-11-2019 12:17 PM
tom3 I tried every which way to get that case on a trans. jack, just no way to get it supported so it would line up. Called in reinforcements, sure made a mess when I pulled out the stub shaft on the back of the transmission though with it leaning way back. Probably better to have it jacked up mostly level. Got the linkage all freed up for adjustment, was right on as it already was. Making progress, sure hope that used transmission is OK.
11-11-2019 10:59 AM
terpsmandan And the 9/16" stubby box end ratchet is essential for the top nuts. Tied a lightweight tie down to one end and looped the other around a hammer and used the transmission as a fulcrum and was able to get the top nuts out. Top nut came out with the stud attached....
11-11-2019 10:56 AM
terpsmandan
Quote:
Originally Posted by GOLDWING View Post
You don't need a special jack for a transfer case swap. I pulled the 249 and reinstalled the 242 with no help or jack at 58 years old. It takes planning and skill, but it can be done.

GW
That was beyond my capabilities. Getting a low profile transmission jack this week.
11-10-2019 07:56 PM
GOLDWING
Quote:
Originally Posted by terpsmandan View Post
No. You are supposed to use the 242 shift tab. Just adjust the linkage once you get it in. Got my old 249 out today but the transmission jack that my father loaned me is too tall and my help bailed. ZJ is sitting on jack stands and Im off to the rental shop for a low profile jack.
You don't need a special jack for a transfer case swap. I pulled the 249 and reinstalled the 242 with no help or jack at 58 years old. It takes planning and skill, but it can be done.

GW
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