One More 4X4 Swap Question

[comanche32]

sorry for another one of these questions but I couldnt find what I was looking for with the search. anyway I have a 90 comanche with auto trans and 4.0. will a 93 cherokee with 4.0 auto trans work for the 4x4 swap. I can't get the motor id have to use my 4.0 he wants to keep the h.o

[Dadinator]

I think so, but not sure.

As long as you get the transmission controller. (TCU)

 

Not sure if a 93 would still have it or would be controlled by the ECU.

 

If it has a TCU, it should work. Would be under the dash on the passenger side.

[relyt120]

Does 90 have mechanical speedo? That might also be an issue since the 93 definitely doesn't have a mechanical speedo.

[HOrnbrod]

Does 90 have mechanical speedo? That might also be an issue since the 93 definitely doesn't have a mechanical speedo.

 

Yes.

[relyt120]

Yes.

Thought so

[Eagle]

Mechanical speedo doesn't matter.

 

The 93 will have a different spline count on the transfer case input shaft, so you can't swap over just the transfer case, you will have to swap the transmission and the transfer case together. But the 93 transfer case will work fine with the mechanical speedo cable. You'll have to retain the CPS from the 90, because the 93 Chrysler CPS doesn't work the same. You'll also need to retain the original 90 flex plate.

 

The 93 transfer case doesn't have a vacuum port to control the front axle disconnect, but you'll be using the 93 front axle from the donor vehicle so that's a match-up.

 

It should work.

[comanche32]

ok the guy who has the 93 told me hed sell me the tranny front and rear diffs transfercase and anything else i need except the motor for 500.00 is there anything else I will need besides what I have mentioned. thank you for the help

[Dadinator]

linkage for the transfer case and shifter. Front Driveshaft. You'll need a rear driveshaft, but obviously the XJ one won't work.

All I can think of off the top.

[Eagle]

The rotors are calipers are different from yours, and yours won't fit the '93 axle. Be sure the front axle includes both the rotors and the calipers.

[comanche32]

ok thanks alot guys for all the help and what would i do about the rear driveshaft. and anything you can think of I greatly appreciate it

[Dadinator]

I added about 2 inches to mine when I went from AW4 to AX15. I used a portion of my XJ donor's shaft. If you cannot fab, then you either have to find a drive shaft at the yard for your combo or have one made or modified.