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Unread 01-20-2010, 10:11 PM   #1
Timmy69
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1989 YJ Wrangler 
 
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94yj axles to 89yj

ok so i have an 89 yj 4.2which is my main jeep to trail riding and whatnot but i also have a 94 4banger i was thinking of swapping the 4.10s to the 89 any problems that i may encounter anything special ill have to do or will it be a strait swap?

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Unread 01-20-2010, 10:43 PM   #2
Joe Dillard
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1991 YJ Wrangler 
 
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Are you talking about swapping the entire axle assemblies (not just the gears)?

If so, if the '94 axle(s) have ABS, I don't think the ABS would function anymore, but I don't think it would be a big deal.

Check to see if the rear pinion ujoint is different as well.
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Unread 01-20-2010, 10:49 PM   #3
jbolty
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I swapped a 1994 D30 into my 1990, no issues. I used my old vac disconnect motor because the hookup is different on the newer versions.
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Unread 01-20-2010, 11:03 PM   #4
Joe Dillard
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Jeff, is that your old D30 that was donated to me to use as a template? Or was it somebody elses?
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Unread 01-20-2010, 11:09 PM   #5
jbolty
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that was me. I still have the 3.07 gears if you need a spare setup
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Unread 01-21-2010, 10:36 AM   #6
540i
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Front brake lines are different and you will have to move the 94's to the 89. The rear brake flex line is different too, almost forgot about that. Of course you know or will find out that the front and rear brakes are entirely different and none of the parts interchange. I just did a 95 to 89 swap and that was all it took though as far as swapping the axles.
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Unread 01-21-2010, 02:53 PM   #7
Timmy69
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Quote:
Originally Posted by 540i View Post
Front brake lines are different and you will have to move the 94's to the 89. The rear brake flex line is different too, almost forgot about that. Of course you know or will find out that the front and rear brakes are entirely different and none of the parts interchange. I just did a 95 to 89 swap and that was all it took though as far as swapping the axles.
thanks i think ill just keep them the way they are for now and look for the front axle from a 95 and i think ill go with a ford 8.8 in the rear if anyone has a d30 from a 95 and wants to get rid of one cheap for a college student let me know
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