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  #1  
Old February 22nd, 2011, 18:23
tykby3 tykby3 is offline
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Converting stock 2wd to stock 4wd

Hey guys I'm a noobie and I need some help figuring out how and what I need to modify and/or buy to convert to 4 wheel drive. I do know that I need front axle assembly, both drive shafts, transfer case, tail shaft for trans and 4wd extension housing for the trans. My questions arise when it comes to if stock 4wd stuff will work with some stock 2wd stuff ex. brakes, suspension, steering, so on and so forth.
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  #2  
Old February 22nd, 2011, 18:56
Skits Skits is offline
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Re: Converting stock 2wd to stock 4wd

You must search, young Padawan.

That said, I'm about to do the same...here are the Cliff's Notes:

You CAN convert a 2wd transmission to 4wd, but it involves a complete teardown of the transmission - you can't just swap tail shafts. Just buy a 4wd tranny and see your 2wd.

All brakes, suspension, steering, etc will swap right over.
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  #3  
Old February 22nd, 2011, 19:21
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stewie stewie is offline
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Re: Converting stock 2wd to stock 4wd

you are right: you will need the 4wd trans, transfer case, drive shafts, and front axle. but you will also need the tc shift linkage including the handle and the trim piece that goes on the center console.
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Old February 22nd, 2011, 19:22
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scott00tj scott00tj is offline
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Re: Converting stock 2wd to stock 4wd

Quote:
Originally Posted by Skits View Post
You CAN convert a 2wd transmission to 4wd, but it involves a complete teardown of the transmission - you can't just swap tail shafts. Just buy a 4wd tranny and see your 2wd.
...and for as cheap as you can find good used AW4s the time to rebuild a 2WD into a 4WD just isn't worth it.
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  #5  
Old February 23rd, 2011, 01:52
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KJurasek KJurasek is offline
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Re: Converting stock 2wd to stock 4wd

I converted mine from 2wd to 4wd. Not as hard as you think. Find a D30 (left hand or driver side drive), AW4 from 4wd Cherokee (similar year as your vehicle is best) with the 231 J transfer case. As for t-case shifter, I went with what Novak was selling. They have a better linkage now (a cable).

Have fun and good luck.

KJ
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  #6  
Old February 23rd, 2011, 08:06
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scott00tj scott00tj is offline
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Re: Converting stock 2wd to stock 4wd

Connect the transfer case to the transmission and lift them into position as one unit if possible. Getting to the bolts that mount the transfer case to the aw4 once in place can be a real pain.
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  #7  
Old February 23rd, 2011, 10:58
tykby3 tykby3 is offline
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Re: Converting stock 2wd to stock 4wd

thanks guys, i figured a lot of the stuff was the same, i was mainly worried about the trans. I've been planning this swap for a couple years and I'm now the position where I can start to do it. Have any of you that have done this had any problems with parts from different year models, I've read somewhere that '96 has different spline count than other years. My other question is would any driveshaft work or do I have to get one for a Chrysler 8.25?

Last edited by tykby3; February 23rd, 2011 at 11:09.
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  #8  
Old February 23rd, 2011, 11:32
kastein kastein is offline
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Re: Converting stock 2wd to stock 4wd

your vehicle's year would help a lot. Many things (transmissions, brakes, driveshafts, transfer cases, etc) depend on year of vehicle.

the 96 difference isn't spline count, there are other differences there. mid-90 or 90 to 91 was the transmission spline count change.
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  #9  
Old February 23rd, 2011, 12:34
tykby3 tykby3 is offline
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Re: Converting stock 2wd to stock 4wd

I plan on getting everything off the same donor, so I'll try to find one around my year to rob everything
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  #10  
Old February 23rd, 2011, 12:50
kastein kastein is offline
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Re: Converting stock 2wd to stock 4wd

yeah... but what year is yours?

We can give you a lot more specific info if we know exactly what year yours is. Some adjacent years are completely incompatible, for instance if you have a 98 automatic and you buy a 97 donor you are wasting your money, and a 95 donor for a 96 or later or vice versa will not be ideal but will work.
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  #11  
Old February 23rd, 2011, 13:34
tykby3 tykby3 is offline
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Re: Converting stock 2wd to stock 4wd

i have a 96
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  #12  
Old February 23rd, 2011, 19:35
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faraiwe faraiwe is offline
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Re: Converting stock 2wd to stock 4wd

Most interesting.

Howdy, folks. Just joined. Sought for info forever, until bumped into this forum.

Got an XJ '99, 4.0l (no ABS) she's my baby, but it pains me it's not a 4x4 (back then was in a hurry to get it, so...).

I understand if I get the front axle assembly, plus transmission transfer case, front shaft plus interior trimming (extra shifter etc), it should go ok, or do I need to fiddle with the ECU, etc? If so, a same year swap from a 4x4 model would do, I suppose?

What are the success stories, and the horror ones as well? I'm looking for what I can expect to deal with.
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  #13  
Old February 23rd, 2011, 20:54
tykby3 tykby3 is offline
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Re: Converting stock 2wd to stock 4wd

thats what i'm trying to figure out w/ my '96, i've been planning this for a while but wanted to know what i was getting into before i get started.
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  #14  
Old February 24th, 2011, 21:19
tykby3 tykby3 is offline
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Re: Converting stock 2wd to stock 4wd

Guys could I buy an axle and driveshafts out any year or does it need to be close to '96. I've sourced a 96 trans and t-case from a buddy who's parting his out, got to him to late to get everything else
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  #15  
Old February 24th, 2011, 21:37
kastein kastein is offline
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Re: Converting stock 2wd to stock 4wd

Trans could have come from any 91 to 96 and even 97s with minor work, tcase from any 96 to 01.

For the remaining stuff: front shaft from any auto 4.0 87-99, rear shaft from any auto 4.0 with the same rear axle as yours 96-01, front axle any auto 4.0 87-01 but 95-99 auto 4.0 and 92-94 auto 4.0 with abs are the best. For things to look nice get the 4x4 linkages and handle off your friend's 96, or any 87-96 4x4 auto 4.0.
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