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Unread 06-19-2010, 02:04 AM   #1
BravoRomeo
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Cherokee AW4 Swap

So, I have a 93 Cherokee with an AW4 automatic transmission that is in what I shall call it's golden years. I'm hoping to swap in a newer AW4 soon. My question is, If I try to swap in a transmission from what I believe is a 2000 -ish Cherokee will I run into any compatibility problems with the electronics, or should it just be a direct bolt in? Will there be any huge issues since my vehicle runs OBD I and the Jeep the new transmission was pulled from runs OBD II? Any answers will be much appreciated.

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Unread 06-19-2010, 06:59 AM   #2
CJ7-Tim
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1991-1996 transmissions are bolt on for your 93 Cherokee. Low mileage (under 60,000) transmissions can be found for a fair price. Try car-part.com.

Edit: Read this for all you AW-4 swap needs -->> http://www.naxja.org/forum/showthread.php?t=1053970
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Last edited by CJ7-Tim; 06-19-2010 at 08:03 AM..
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Unread 06-20-2010, 12:32 AM   #3
BravoRomeo
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Now on to an AW4 rebuild?

Thank you, I'm going to search my local junkyard soon as well now. Next problem is that I'm told cars traded in on "Cash for clunkers" legally cannot have their transmissions pulled and sold. Does anyone have any info on this? There was a 96 Cherokee in the yard last time I was there with 76,000 miles on it that was a "Clunker", thing was immaculate, and I think this would be a good car to get a donor AW4 from.

I'm also looking into having mine rebuilt. What is the standard process for this, new torque converter at the least I'm assuming? How much does a rebuild usually cost and how long should it take? My local mechanic quoted me at $2,000 and said at least three days. The time frame seems great but the price seems a little much. Any thoughts?

Once again, thanks.
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Unread 06-20-2010, 01:40 AM   #4
CJ7-Tim
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Clunkers have to be crushed 60 (or maybe 90) days after the paperwork is filled out. The local junkyards are selling anything you want from the clunkers except the engine.

An auto transmission rebuild is $1800-2300, good used AW-4's are often under $500.
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Unread 10-10-2011, 03:44 PM   #5
jackdoo
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tim I read your post on the transmission compatability and I had a qustion. I have an 88 cherokee and I my transmission went out But I have a friend who has a 95 tranny and transfer case that he said he would give me if it was compatible. I know it will bolt up but I was wondering if the electronics would work. do you know if its possible?
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Unread 10-10-2011, 05:15 PM   #6
CJ7-Tim
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Here is the most recent AW-4 swap info. http://www.naxja.org/forum/showthread.php?t=1053970 - This isn't my work, but the guy knows his stuff. It tells you everything you need to know about the AW-4.
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Unread 10-11-2011, 10:40 AM   #7
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Thanks man that helped a lot!
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Unread 10-19-2011, 06:17 PM   #8
srhcherokee24
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Quote:
Originally Posted by CJ7-Tim View Post
1991-1996 transmissions are bolt on for your 93 Cherokee. Low mileage (under 60,000) transmissions can be found for a fair price. Try car-part.com.

Edit: Read this for all you AW-4 swap needs -->> http://www.naxja.org/forum/showthread.php?t=1053970
i have a question my buddy has a 98 2wd cheorkee and i have a good trans transfer case out of my 92. He wants to make his 4wd so my question will that work
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Unread 10-19-2011, 06:38 PM   #9
fedx95
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Quote:
Originally Posted by BravoRomeo View Post
My local mechanic quoted me at $2,000 and said at least three days. The time frame seems great but the price seems a little much. Any thoughts?

Once again, thanks.
My friend payed $1000 to get his 42re rebuilt in his ZJ. I thought that was outrageous and that he should have done the AW4 swap.$2000 is a ripoff
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Unread 10-19-2011, 09:52 PM   #10
CJ7-Tim
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Quote:
Originally Posted by srhcherokee24 View Post
i have a question my buddy has a 98 2wd cheorkee and i have a good trans transfer case out of my 92. He wants to make his 4wd so my question will that work
Read the AW-4 swap info at the link provided.

The Transfer Case will needs to have a compatible speedometer output, mechanical vs. electrical, or the engine computer, transmission commuter and speedometer will not function.

Your Buddy should buy the transmission and transfer case from the same donor Cherokee.
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Unread 10-20-2011, 07:07 AM   #11
fedx95
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Quote:
Originally Posted by CJ7-Tim View Post
Read the AW-4 swap info at the link provided.

The Transfer Case will needs to have a compatible speedometer output, mechanical vs. electrical, or the engine computer, transmission commuter and speedometer will not function.
someone told me you can swap the mechanical sensor with the electrical one on the transfer case. I have not done this yet, as my speedometer didn't work before the swap.
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