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Author Topic: AX-15 issues  (Read 1794 times)

Offline Mr Rock

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AX-15 issues
« on: January 19, 2011, 11:41:13 PM »
I'm looking for some input.
My tranny has been acting up for a while now, and it's hard to shift, grinding in every gear and now it gets stuck in gear and it's getting worse. It started making noise like a bearing is going when it's in neutral and I let the clutch out?
Do I attempt to rebuild it (it has over 170K on it) look for a used one, (around $450) for a direct replacement.  or go for a external slave setup (used $750) or ??

Thoughts?
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'89, 4.2, NUTTERED, Team Rush, 4" Lift, 1" BL, 1" MML & HD shackles , Flat Belly Skid, SYE, 36 x 13.50s
XRC8, 150w KC's, Herculined, Tauras Elec Fan, Dual Batteries, Aussie in front, 8.8, TJ flares & Spool in rear, topless all of the time!

Offline skibum

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Re: AX-15 issues
« Reply #1 on: January 20, 2011, 12:01:37 AM »
Call me. I might be able to stop over & look at it for you if you want.
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09 Rubi 4Dr,Compleat Heavy Duty Polly Performance skid plate system,Kilby Evap Relocation kit,Rampage front bumper,Swaybar motor flip,Clayton 3.5in lift w/steering corection kit,35in GY MTR's on 15in MB Wheels,Ace Enginering Rear Bumper W/Tire carrier,Prorock D44 Front axel,5.13s,cromo rear shafts

Offline Mr Rock

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Re: AX-15 issues
« Reply #2 on: January 20, 2011, 12:39:52 AM »
Quote from: skibum on January 20, 2011, 12:01:37 AM
Call me. I might be able to stop over & look at it for you if you want.


What are you doing Saturday?. I'm sure I can talk my neighbor into using his lift in his heated garage!

Will, this might be a good time to do your u-joints!
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'89, 4.2, NUTTERED, Team Rush, 4" Lift, 1" BL, 1" MML & HD shackles , Flat Belly Skid, SYE, 36 x 13.50s
XRC8, 150w KC's, Herculined, Tauras Elec Fan, Dual Batteries, Aussie in front, 8.8, TJ flares & Spool in rear, topless all of the time!

Offline calvynandhobbs

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Re: AX-15 issues
« Reply #3 on: January 20, 2011, 01:10:53 AM »
Sounds like your tranny is going to need some work. I had problems with mine popping out of 2nd gear and difficulty shifting when it was cold last winter and switched to a synthetic fluid. It almost completely went away within a week and I really haven't thought about it since.
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1994 YJ on 37s

Offline skibum

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Re: AX-15 issues
« Reply #4 on: January 20, 2011, 03:34:07 AM »
Quote from: Mr Rock on January 20, 2011, 12:39:52 AM
Quote from: skibum on January 20, 2011, 12:01:37 AM
Call me. I might be able to stop over & look at it for you if you want.


What are you doing Saturday?. I'm sure I can talk my neighbor into using his lift in his heated garage!

Will, this might be a good time to do your u-joints!
Im free on Saturday. What time?

Sounds like your slave cyl is leaking causing hard shifting & sticking into gear. Check fluid in Clutch master cyl resiviour. If it's low then it's leaking.  Noise when you let clutch out could be the input bearing going bad.  Will need to hear it. Also if you don't use the correct fluid for the AX15 then it will give you issues.
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09 Rubi 4Dr,Compleat Heavy Duty Polly Performance skid plate system,Kilby Evap Relocation kit,Rampage front bumper,Swaybar motor flip,Clayton 3.5in lift w/steering corection kit,35in GY MTR's on 15in MB Wheels,Ace Enginering Rear Bumper W/Tire carrier,Prorock D44 Front axel,5.13s,cromo rear shafts

Offline kirksjeep

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Re: AX-15 issues
« Reply #5 on: January 23, 2011, 04:11:37 AM »
With only 58K miles (before the lift and tires) I broke 5th gear and it locked the shifter into neutral and wouldn't come out.  I had to have it towed home.  I pulled the tranny myself and took it to a shop.  They diagnosed it, replaced 5th gear and replaced all the seals.  It only set me back $300 and a few hours of work. 

One big difference is the number of miles.  Have you considered upgrading to a NV4500?  Some time in the future I plan to upgrade to a NV4500, but I have other priorities for now.  I know a lot of guys upgrade to a NV3550 out of a newer TJ, stronger then the AX-15, but it is still a medium duty transmission.
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1992 YJ Sahara, 4.5 Rubicon Express ED Lift, 35" BFG MT, Custom Bumpers, SYE/CV Drive Shaft, OBA, Ford 8.8 rear, 4.10 gears, tie rod flip, 1"MML/BL
2002 KJ Liberty, 2" Lift, 31" tires/DD
2002 F-150 Harley Davidson 5.4L SC
2013 Explorer Sport
2006 Harley Road King Classic
1988 Honda Hawk GT

Offline kirksjeep

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Re: AX-15 issues
« Reply #6 on: January 23, 2011, 04:45:47 AM »
Parting a 95 XJ with lots of great parts including a AX-15 for $200

http://hartford.craigslist.org/pts/2172091070.html
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1992 YJ Sahara, 4.5 Rubicon Express ED Lift, 35" BFG MT, Custom Bumpers, SYE/CV Drive Shaft, OBA, Ford 8.8 rear, 4.10 gears, tie rod flip, 1"MML/BL
2002 KJ Liberty, 2" Lift, 31" tires/DD
2002 F-150 Harley Davidson 5.4L SC
2013 Explorer Sport
2006 Harley Road King Classic
1988 Honda Hawk GT

Offline Mr Rock

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Re: AX-15 issues
« Reply #7 on: January 25, 2011, 02:56:38 AM »
Quote from: kirksjeep on January 23, 2011, 04:45:47 AM
Parting a 95 XJ with lots of great parts including a AX-15 for $200

http://hartford.craigslist.org/pts/2172091070.html

thanks, emailed this guy today
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'89, 4.2, NUTTERED, Team Rush, 4" Lift, 1" BL, 1" MML & HD shackles , Flat Belly Skid, SYE, 36 x 13.50s
XRC8, 150w KC's, Herculined, Tauras Elec Fan, Dual Batteries, Aussie in front, 8.8, TJ flares & Spool in rear, topless all of the time!

Offline Bill3753

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Re: AX-15 issues
« Reply #8 on: January 25, 2011, 09:02:38 PM »
http://newlondon.craigslist.org/pts/2154737554.html

In case the other one doesn't work out.
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04 TJ, HP60, 14 Bolt, 5.13's, linked, locked, on 38's and (still) in the works.
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