Transfer Case Swap Info NP249->NP231 & NP242 - Page 58 - JeepForum.com
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Unread 10-27-2011, 07:48 PM   #856
sskilla
Registered User
1995 ZJ 
 
Join Date: Jul 2010
Location: sacramento, CA
Posts: 790
i dont wanna jinx myself but i think ive made some strong headway with my linkage fiasco.

ive been having the problem of needing about 1/2" more play to fully engage either 4Lo or 2wd depending on how my cable is adjusted. so what i did was pull the center console off and remove the slide bracket that the T-case shifter slides in when shifting. with that out of the way i am able to engage all gears.

so now (after destroying the bracket trying to cut the slot longer) i am going to the JY to find another that i can modify. i could just leave it out and pull the spring off the shifter but i would like it to have something to follow rather than scraping my console up.

also, i feel pretty dumb about this, but i noticed that in order to smoothly engage 4lo (or 2wd after being in any 4wd position) you need to be moving and in neutral. again, i feel kinda dumb about it, but i dont remember my 231 in my TJ ever needing to be in motion.

anyway im going to try and finish this up this weekend.

__________________
[SIZE="1"][B]'95 ZJ:[/B] 5.2 v8 / 249 > 242 > 231 Tcase swap / 46RH / 3.5" IRO + 1.5" pucks / IRO Adj Front Lower CA's / IRO Double Shear Adj Track Bar / 33" BFG KM2's / JKS Quicker Disco's / IRO rear end links / Kegger Mod / Super 44 Flowmaster / Novak Cable Shifter / Kevins Radiator Support / JKS Bar pin eliminators / Yukon Chromoly Rear Axles / IRO SS Brake Lines / Stillen cross-drilled rotors / Flowcooler water pump[/SIZE]

[B][I]It's got guts. Jeep guts. Jeep, the toughest four letter word on wheels. F@#% Yeah.[/I][/B]

[size="1"][I]R.I.P. 2000 TJ[/I][/size]
[size="1"][I]R.I.P. '95 YJ[/I][/size]

[COLOR="Black"][CENTER][SIZE="3"][FONT="IMPACT"][COLOR="Black"][URL="http://www.jeepforum.com/forum/f22/sskillas-build-thread-1408321"][COLOR="Black"]Build Thread[/COLOR][/URL][/FONT][/SIZE][/COLOR][/CENTER][/COLOR]
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Unread 10-27-2011, 08:11 PM   #857
Mediokrates
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1993 ZJ 
 
Join Date: Apr 2011
Location: Burlington, Ontario
Posts: 222
Hey Jr,

I'm using the short transfer case shift lever for the 242.

I thought about using the longer one from the 249, maybe it would give me the extra length needed to use the short shift lever rod, but I left it at the farm with the rest of the 249.

Right now I'm using the torque shaft (same angles, and arm lengths as the 249) and the selector rod (same length as 249) from the 242. Right now the only 249 parts in the linkage are the shifter assembly and shift lever rod.
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Unread 10-28-2011, 03:45 PM   #858
wildman90
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1993 YJ Wrangler 
 
Join Date: Oct 2008
Location: st louis
Posts: 202
ok,

i got 231 with 23 splines and an external slip yoke. the drive shaft was not immediately available. could someone with an external slip yoke PLEASE measure the length of the rear drive shaft? from u-joint center to u-joint center would be great.

if i plan to install a 2" budget boost, would that affect the driveshaft length requirements?

TIA- chuck
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nothing i cant do--i'l pay myself $50/hr labor!!

the only thing you cannot do, is that which you have already accepted defeat!

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Unread 10-28-2011, 07:43 PM   #859
sskilla
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1995 ZJ 
 
Join Date: Jul 2010
Location: sacramento, CA
Posts: 790
you wont need to worry about the drive shaft at 2"
__________________
[SIZE="1"][B]'95 ZJ:[/B] 5.2 v8 / 249 > 242 > 231 Tcase swap / 46RH / 3.5" IRO + 1.5" pucks / IRO Adj Front Lower CA's / IRO Double Shear Adj Track Bar / 33" BFG KM2's / JKS Quicker Disco's / IRO rear end links / Kegger Mod / Super 44 Flowmaster / Novak Cable Shifter / Kevins Radiator Support / JKS Bar pin eliminators / Yukon Chromoly Rear Axles / IRO SS Brake Lines / Stillen cross-drilled rotors / Flowcooler water pump[/SIZE]

[B][I]It's got guts. Jeep guts. Jeep, the toughest four letter word on wheels. F@#% Yeah.[/I][/B]

[size="1"][I]R.I.P. 2000 TJ[/I][/size]
[size="1"][I]R.I.P. '95 YJ[/I][/size]

[COLOR="Black"][CENTER][SIZE="3"][FONT="IMPACT"][COLOR="Black"][URL="http://www.jeepforum.com/forum/f22/sskillas-build-thread-1408321"][COLOR="Black"]Build Thread[/COLOR][/URL][/FONT][/SIZE][/COLOR][/CENTER][/COLOR]
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Unread 10-28-2011, 08:46 PM   #860
wildman90
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1993 YJ Wrangler 
 
Join Date: Oct 2008
Location: st louis
Posts: 202
anyone got a line on the slip yoke boot? i looked at rockauto in the 2000 and 2001 cherokee sections and cannot locate it.
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nothing i cant do--i'l pay myself $50/hr labor!!

the only thing you cannot do, is that which you have already accepted defeat!

many people search for god in the eleventh hour, only to die at 10:30
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Unread 10-28-2011, 08:52 PM   #861
onevision
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1998 ZJ 
 
Join Date: Jul 2011
Location: Draper, Utah
Posts: 55
Das Boot

Boot? No boot on the slip yoke. With a 2" lift, you should be just fine using the same drive shaft. I flexed mine out about as far as was possible with my 3" budget boost, and still had length (although not much). I wouldn't waste money getting a new one that will only be like 1/4" or 3/8" longer. Wait until you get a suspension lift or do the short shaft kit on your transfer case. 8-)
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98 ZJ - custom double triangulated rear and 3-link front with 6 1/2" lift on 33"x13.5" and Teralow gearing
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Unread 10-30-2011, 09:53 AM   #862
89xj_hines
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1998 ZJ 
 
Join Date: Jan 2009
Location: Roswell, georgia
Posts: 21
installed the 242 yesterday! everything was easy up until linkage. my 5.9 has the transfer case drop bracket so the angle for the linkage is off and then asking it to go threw the added movement it just wants to pop out. so im fabbing new brackets up today!
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Unread 10-30-2011, 02:44 PM   #863
sskilla
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1995 ZJ 
 
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Location: sacramento, CA
Posts: 790
good luck 89xj, i just got mine all together and the console put back in. so far lookin good.
__________________
[SIZE="1"][B]'95 ZJ:[/B] 5.2 v8 / 249 > 242 > 231 Tcase swap / 46RH / 3.5" IRO + 1.5" pucks / IRO Adj Front Lower CA's / IRO Double Shear Adj Track Bar / 33" BFG KM2's / JKS Quicker Disco's / IRO rear end links / Kegger Mod / Super 44 Flowmaster / Novak Cable Shifter / Kevins Radiator Support / JKS Bar pin eliminators / Yukon Chromoly Rear Axles / IRO SS Brake Lines / Stillen cross-drilled rotors / Flowcooler water pump[/SIZE]

[B][I]It's got guts. Jeep guts. Jeep, the toughest four letter word on wheels. F@#% Yeah.[/I][/B]

[size="1"][I]R.I.P. 2000 TJ[/I][/size]
[size="1"][I]R.I.P. '95 YJ[/I][/size]

[COLOR="Black"][CENTER][SIZE="3"][FONT="IMPACT"][COLOR="Black"][URL="http://www.jeepforum.com/forum/f22/sskillas-build-thread-1408321"][COLOR="Black"]Build Thread[/COLOR][/URL][/FONT][/SIZE][/COLOR][/CENTER][/COLOR]
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Unread 10-30-2011, 03:33 PM   #864
Mike97ZJ
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1997 ZJ 
 
Join Date: Oct 2009
Location: Newport, RI
Posts: 1,228
In the middle of the swap, and getting ready to swap sensors into the 242.

Now I can leave the front sensor that came in the 242 in place, correct? It has the same 4 prong connector as the one in my 249.

Now the sensor close to the rear output, I have to swap that one correct? Now do I just swap the (white) sensor part, or do I need to unbolt the locking tab and switch the whole (black part) assembly?

And if so, how do I get it out?

Thanks!

EDIT: Figured it out. I just kept wiggling the sensor until it staetred to move, then I was able to stick a flathead screwdriver under it and pry it out.

Sawp is done, all I need to do is connect and adjust the linkage. I'll save that for another day, I'm sick of wrenching for today.
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Unread 10-30-2011, 09:32 PM   #865
stormer1092
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1994 ZJ 
 
Join Date: May 2010
Location: Marquette, Michigan
Posts: 542
Has anyone put a .750 input in place of a .840 input?
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Unread 11-02-2011, 03:24 AM   #866
MeloD
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1995 ZJ 
 
Join Date: Oct 2011
Location: Poland
Posts: 2
Is there any chance to wire the 2 prong 242 shift sensor plug to the 4 prong 249 plug? To show Full Time, Part Time on the VIC. Which colours should be connected?
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Unread 11-02-2011, 06:12 AM   #867
AlphaLorde
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1998 ZJ 
 
Join Date: Jan 2010
Location: Forest Lake, MN
Posts: 718
For connecting a two prong switch to a four prong connector, refer to this link:
http://www.jeepforum.com/forum/f13/t...l#post12051870

I don't remember having to do this on my swap
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1998 ZJ Laredo 5.2L 139k 231 w/SYE artec trussed 8.8 4.25"F/5"R lift
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Unread 11-03-2011, 07:40 AM   #868
wildman90
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1993 YJ Wrangler 
 
Join Date: Oct 2008
Location: st louis
Posts: 202
ok,

i have the 231 with external slip yoke. how do i get the rear tail cone off. there is a "seal protector" on the rear shaft. how does this come off?

TIA- chuck
__________________
nothing i cant do--i'l pay myself $50/hr labor!!

the only thing you cannot do, is that which you have already accepted defeat!

many people search for god in the eleventh hour, only to die at 10:30
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Unread 11-04-2011, 12:49 PM   #869
squazz
Web Wheeler
1993 ZJ 
 
Join Date: Jan 2010
Location: South Central, Pennsylvania
Posts: 2,202
Quote:
Originally Posted by 89xj_hines View Post
installed the 242 yesterday! everything was easy up until linkage. my 5.9 has the transfer case drop bracket so the angle for the linkage is off and then asking it to go threw the added movement it just wants to pop out. so im fabbing new brackets up today!
What about stacking washers under the bracket on the trans side
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Unread 11-05-2011, 09:10 AM   #870
Bert49
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Join Date: Sep 2011
Location: Denver, Co
Posts: 4
Quote:
Originally Posted by Bert49 View Post
Hey all
I just finished up a 249-242 swap on a 97 zj v8 ltd. I found a 242 off of a 98 Laredo 6 cyl and I also picked up the rear drive shaft since the output on the 98 was external. everything swapped right in no problem but I think the drive shaft from the 6 cyl. downer is too short and the original is too long. Is it ok to only have 2 1/2 inches of slip yolk on the output shaft ? seems to drive fine and I do not have a lift.
Update
Got a few hundred miles on her including some snow time in 4wd full time and everything is working good. I did jack up the rear to full extension and the drive shaft didn't fall out Looks like its only moving about an inch so I think I'm not going to worry about it.
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