Which trans? - JeepForum.com

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post #1 of 22 Old 08-18-2013, 10:47 PM Thread Starter
BrandonYJReed
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Which trans?

I have a 89 MJ and it has a 5 speed. I'm not sure of its has the ba-10 or the ax-15. How can I tell the difference?


-1990 YJ, 2.5L, AX-15, lifted, locked, on 35's.

-1999 XJ, 4.0, AW4, lifted 4.5", JK Rubi take offs.
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post #2 of 22 Old 08-18-2013, 11:16 PM
Rican142
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I went through the same thing haha, the ba10 has a split transfer case, you can see the seam right down the middle, and it's also relatively small

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post #3 of 22 Old 08-18-2013, 11:19 PM Thread Starter
BrandonYJReed
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thankyou but that just doesn't help much, is there any better way to i.d. it?

-1990 YJ, 2.5L, AX-15, lifted, locked, on 35's.

-1999 XJ, 4.0, AW4, lifted 4.5", JK Rubi take offs.
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post #4 of 22 Old 08-18-2013, 11:58 PM
Rican142
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Ba10 on left, aisin on right notice the seam on the case

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post #5 of 22 Old 08-18-2013, 11:59 PM
Rican142
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Aisin on left this time
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post #6 of 22 Old 08-19-2013, 12:00 AM
Rican142
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Other than that, idk of any I.d tags on em

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post #7 of 22 Old 08-19-2013, 12:06 AM Thread Starter
BrandonYJReed
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I think that will help a lot. thanks!

-1990 YJ, 2.5L, AX-15, lifted, locked, on 35's.

-1999 XJ, 4.0, AW4, lifted 4.5", JK Rubi take offs.
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post #8 of 22 Old 08-19-2013, 12:12 AM
Rican142
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And if you really need it, I'll take a pic of the ba10 in my comanche so you can see

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post #9 of 22 Old 08-19-2013, 12:21 AM Thread Starter
BrandonYJReed
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I should be alright. And are they internal or external slaves?

-1990 YJ, 2.5L, AX-15, lifted, locked, on 35's.

-1999 XJ, 4.0, AW4, lifted 4.5", JK Rubi take offs.
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post #10 of 22 Old 08-19-2013, 01:37 AM
Rican142
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Just one internal, and it's a pain to replace, it's within the bell housing (11 bolts to seperate the bell housing from the motor) it's on the drivers side

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post #11 of 22 Old 08-19-2013, 07:16 AM Thread Starter
BrandonYJReed
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So what would be involved in swapping from the ba/10 to ax-15?

-1990 YJ, 2.5L, AX-15, lifted, locked, on 35's.

-1999 XJ, 4.0, AW4, lifted 4.5", JK Rubi take offs.
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post #12 of 22 Old 08-19-2013, 09:26 AM
Rican142
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From what I've heard, I think it's a direct fit. But the ba10 (though it's kinda crappy) if you take care of it it'll treat u well, I haven't had any problems with mine knock on wood

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post #13 of 22 Old 08-19-2013, 09:29 AM
Rican142
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And the ba10 is easier to drop if you doin the work on the ground. Just cause it's smaller and lighter(only plus)

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post #14 of 22 Old 08-19-2013, 09:30 AM
Rican142
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I would get ahold of the ax15 and just hold on to it, tear up the ba10 then when it finally gives, just swap it out

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post #15 of 22 Old 08-19-2013, 02:34 PM Thread Starter
BrandonYJReed
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I have a ax-15 laying around already, and my ba10 doesn't like to shift into 2nd gear all that well anymore.

-1990 YJ, 2.5L, AX-15, lifted, locked, on 35's.

-1999 XJ, 4.0, AW4, lifted 4.5", JK Rubi take offs.
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