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Coverting A 4.0 Rwd Mj Into Awd, How Hard?


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It is a 1989 MJ 4.0 and trans is an AX5 (?).  I am considering buying this truck, I have a 1999 Auto 4WD as a donor.  How much do I have to transfer from the xj in order to have it converted?  Is it too much work?

 

Thanks in advance!

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No.....it is a piece of cheeze.....if you are willing to donate your heart...soul....100 man hours.....about $1000 in extra cash.....nothing to it.......should have a nice truck when your done

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pre 96 would be easier, but if he as a 99 might as well do a full swap, engine, harness, dash, etc. will be a little tougher but there are tons of write ups on a 97+ swap

He didn't ask about updating an 89 into a 99, he asked about making the 89 4WD. I agree with benjy_26 that an earlier year would be a better donor for the conversion, but if he already has the 99 he can do it.

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Yea I want it to be the least work possible bc I need it for the winter. So my guess its prob best to find an mj that s already 4wd.

its easy to do a 4wd swap the complete HO swap is much harder in my opinion. You just need a better donor than the 1999.

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