2x4 to 4x4 swap got questions - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > MJ Comanche Technical Forum > 2x4 to 4x4 swap got questions

Stainless Steel Door Hinge PinsPoly Door Hinge BushingsDisc Brake Kits from ECGS

Reply
Unread 08-31-2013, 02:12 PM   #1
Corgis
Registered User
1989 J-Series Truck 
 
Join Date: Aug 2013
Location: Steamboat Rock, Iowa
Posts: 6
2x4 to 4x4 swap got questions

I recently purchased a 89 jeep comanche but its only rear wheel drive i want to make it 4 wheel drive and tips on doing this our should i sell this one a buy one thats already a 4x4. Im not worried about the time its going to take. I work construction so i get layed off most of the winter.

Corgis is offline   Reply With Quote
Unread 09-01-2013, 02:00 PM   #2
zackcj7
Registered User
1997 TJ Wrangler 
 
Join Date: Apr 2011
Location: Atlanta, GA
Posts: 301
It's not that hard to convert as long as you are comfortable swapping an axle and transmission and have a decent set of tools.
zackcj7 is offline   Reply With Quote
Unread 09-01-2013, 08:02 PM   #3
Jeep_Fanatic
Registered User
2012 MK Compass 
 
Join Date: Jun 2013
Location: Warner Robins, Georgia
Posts: 236
better reserve a couple days, stack up on tools, replacement bolts, and beer. Also make sure you get the right driveshaft too!

or..

I would just buy one with 4x4, just my 2 cents.
__________________
-Rescue Green '12 Compass Sport 4x2 2.4L CVT daily driver
-New jeep coming soon
Jeep_Fanatic is offline   Reply With Quote
Unread 09-04-2013, 07:44 PM   #4
Corgis
Registered User
1989 J-Series Truck 
 
Join Date: Aug 2013
Location: Steamboat Rock, Iowa
Posts: 6
I ve done plenty of axle motor and transmission swaps so thats not a problem any tricks or special tools im going to need?
Corgis is offline   Reply With Quote
Unread 09-05-2013, 06:19 AM   #5
zackcj7
Registered User
1997 TJ Wrangler 
 
Join Date: Apr 2011
Location: Atlanta, GA
Posts: 301
Quote:
Originally Posted by Corgis View Post
I ve done plenty of axle motor and transmission swaps so thats not a problem any tricks or special tools im going to need?
Can't think of any special tools. Is your MJ an auto or manual?
zackcj7 is offline   Reply With Quote
Unread 09-06-2013, 08:56 PM   #6
Corgis
Registered User
1989 J-Series Truck 
 
Join Date: Aug 2013
Location: Steamboat Rock, Iowa
Posts: 6
auto if i need to replace tranny ill have the 2 wheel drive one for sale or trade 131000 miles on it
Corgis is offline   Reply With Quote
Unread 09-13-2013, 04:17 PM   #7
carnuck
Registered User
1984 J-Series Truck 
 
Join Date: Nov 2004
Posts: 3,213
Hopefully both are 4.0L auto? Then it's easy (XJ front bolts in, but the rear doesn't) I use a come-along to pull the front axle back to put the bolts in. 15 mm heads will drive you crazy. The track bar bottom bolt tends to strip out. If you have access to 3 /12" taller or at least 4x4 front coils, it helps to do it now. You can do the front axle one weekend, then the trans/tcase the next. Check the gear ratio because most 4.0L autos are 3.55 ratio, but may be different and you need a match for 4x4.
__________________
"Usually found in a Jeep near Reiter, WA"
FOR SALE STUFF
http://tinyurl.com/jimsclads

'81 Eagle wagon with upgrades $2500
'87 Comanche shortbox 4.0/AW4/NP242 on 33" tires $3500
carnuck is offline   Reply With Quote
Unread 10-07-2013, 09:32 AM   #8
Cwayaustx
Registered User
1991 MJ Comanche 
 
Join Date: Sep 2013
Location: Hutto, Tx
Posts: 27
What is the difference in a 4.0 auto and manual front end? I have a 91 Comanche 2wd with aw4/np232 already installed. Have a donor 87cherokee 4x4 with 5 speed. I plan to put the Cherokee axle in the Comanche. Is there a difference in axle/cases? Thanks
Cwayaustx is offline   Reply With Quote
Unread 10-08-2013, 07:57 AM   #9
zackcj7
Registered User
1997 TJ Wrangler 
 
Join Date: Apr 2011
Location: Atlanta, GA
Posts: 301
Quote:
Originally Posted by Cwayaustx View Post
What is the difference in a 4.0 auto and manual front end? I have a 91 Comanche 2wd with aw4/np232 already installed. Have a donor 87cherokee 4x4 with 5 speed. I plan to put the Cherokee axle in the Comanche. Is there a difference in axle/cases? Thanks
The front axle itself will be the same auto or manual. But the gear ratio may be different. Spline count on the transfer case may be different. I believe the Renix AW4s use a 21 spline transfer case.
zackcj7 is offline   Reply With Quote
Unread 10-08-2013, 03:36 PM   #10
Cwayaustx
Registered User
1991 MJ Comanche 
 
Join Date: Sep 2013
Location: Hutto, Tx
Posts: 27
Thanks, the aw4 is from a newer Cherokee and I have to put 5:56 gears in it anyway to match the rear. Thanks for the info. Looks like I'll only be needing a driveshaft.
Cwayaustx is offline   Reply With Quote




Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.