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Old 11-21-2008, 10:56 PM   #1
Joey's Avatar
Join Date: Mar 2007
Posts: 96
Rebuilding ax-5 transmission

I have a 95 YJ with 2.5 and a ax-5 transmission. I lost 5th gear and now reverse is doing some funny stuff. Ive seen rebuild kits on ebay for 125 bucks. I didnt know if anybody has rebuilt one before. I have never done a transmission. I have built alot of trucks and motors but never a transmission. I was wondering how hard it was or if it was even worth messing with. I know those trans suck but I cant afford to change the whole drivetrain right now. Any thoughts.

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Old 11-22-2008, 11:40 AM   #2
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Join Date: Sep 2008
Location: Tuscaloosa, AL to Charlotte, NC
Posts: 368
If you have built motors before I think you should be fine with a transmission. Buy a FSM and it should tell you everything you need.

1992 Red YJ 4.0 with five on the floor and 33's
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Old 11-22-2008, 06:52 PM   #3
Join Date: Aug 2008
Location: Gasden, Tennessee
Posts: 32
I just rebuilt an AX-5 tranny on my 90 YJ. It's not too difficult. I would suggest taking pictures during disassembly to help with assembly. Haynes manual has some exploded views of the AX-5 tranny. I also went to O'Reilly'
s Auto Parts and bought a credit card sized entry authorization for Mitchell Online. The card was only $3.99 for a one week entry authorization, and printed out all their info. and pictures of the AX-5, which helped out a lot regarding the balls and springs and detent pins located in the cast-iron middle portion of the tranny. I bought the re-build kit off of E-Bay for around $125, and the bearings were the exact same brand that I removed from the tranny. The vendors name was ACERL. The synchros are also identical. I just got mine back on the road, and am happy to say everything is OK. I replaced the clutch, pressure plate, and throw out bearing assy. while I had it apart.
If the 5th gear shifting fork is wore out and not coming out of 5th gear completely, it will prevent Reverse from working correctly also. The 5th gear cluster is on the back side of the tranny, so it will be easy to diagnose.
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Old 11-22-2008, 09:03 PM   #4
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Join Date: Mar 2007
Posts: 96
I actually cant get it to go in 5th at all. Now reverse makes a clunking noise and kind of binds up sometimes. Thanks for the info, I will have to check out that Mitchelles online. Thanks alot.
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