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Thread: 1988 XJ Transmission replacement

  1. #1
    Join Date
    Oct 2013
    Location
    Texas
    Posts
    7

    Default 1988 XJ Transmission replacement

    I have a 5 speed manual transmission that needs to be replaced on my 1988 Cherokee. I want a more reliable and strong transmission, what would be a good choice for this and who would have the best price? I have the IL 6 engine. Any suggestions are welcomed.

  2. #2
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: 1988 XJ Transmission replacement

    Tim, unless you are willing to do some fabrication and adapt non Jeep transmissions to your Jeep, you have limited options. The one you have, the AX-15 is considered a pretty good transmission. I have rebuilt one and as far as I am concerned, they are stout enough for the 4.0L six. But if you want one that is an upgrade that bolts in, then the NV3550 is the only bolt in option. I believe they are found in the 2000 and up Jeep XJ and TJs.
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  3. #3
    Join Date
    Oct 2013
    Location
    Texas
    Posts
    7

    Default Re: 1988 XJ Transmission replacement

    Thanks Steve I was looking at the NV3550, is this a straight bolt on or will a few mods need to be made? Due to my lack of time (I have a special needs son) a local mechanic's shop (they have a good reputation) is dong the work. They are replacing my fuse block due to the left half being shorted out, front end work control arms and such and brake master cylinder. I'll google the NV3550 to research it more. What it will come down to is which is less costly a rebuild or replacement,

  4. #4
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: 1988 XJ Transmission replacement

    Advance Adapters, has a rebuilt one for about 1900. I am sure you can do better than that depending what you want
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  5. #5
    Join Date
    Oct 2011
    Location
    S.E. Texas
    Posts
    29,260

    Default Re: 1988 XJ Transmission replacement

    The '88 should have the Peugeot BA-10 5 speed trans. It's known for issues and expensive repairs. It was only offered from '87-89, thankfully.

    Sent via messenger pigeon. I talk, he types.

  6. #6
    Join Date
    Oct 2013
    Location
    Texas
    Posts
    7

    Default Re: 1988 XJ Transmission replacement

    It did have that and I had to replace it about 5 years ago with a used one, I'm not exactly sure which one I have so I'll check to see then decide which is most cost effective, rebuild or replace. If it is the BA-10 then I will replace it with the AX-15. I under stand there is a AX5 and AX15 is there way to tell them apart? Thanks guys for your help.

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