Help with getting my tranny back in - JeepForum.com

 
LinkBack Thread Tools
post #1 of 13 Old 05-15-2014, 02:54 PM Thread Starter
Dedgar
Registered User
1988 MJ Comanche 
 
Join Date: May 2014
Location: Glencoe
Posts: 9
Help with getting my tranny back in

I recently got a mj with a blown motor, it also came with a 93 xj 4.0. As the mj came stock with a renix motor I kept my intake and exhaust and swaped the rest. Now that I am trying to get my ax15 put back in place I can't get it to slide all the way on. Am I not lining it up well enough or is there some small difference that is keeping me from finishing up? Any help would be great.

Dedgar is offline  
Sponsored Links
Advertisement
 
post #2 of 13 Old 05-15-2014, 05:39 PM
Caish
Registered User
1987 XJ Cherokee 
 
Join Date: Jul 2010
Location: Central
Posts: 631
Sounds like you have the clutch disc slightly mis-aligned, or you need to put the tranny into gear and turn the tranny slightly as your pushing it in to align splines to clutch disc.

Easy, cheap clutch alignment too, use a extension that or long bolt that fits in the pilot bushing, and then wrap mashing take around it till it fits snuggly in the clutch disc.

Join us on Jeeperz Creeperz on Google+
Facebook: Arkansas Jeeps
Caish is offline  
post #3 of 13 Old 05-15-2014, 06:58 PM Thread Starter
Dedgar
Registered User
1988 MJ Comanche 
 
Join Date: May 2014
Location: Glencoe
Posts: 9
That was my first thought too, so after a week of waiting at the mailbox it showed up today and I aligned it. I can get spindle started into the clutch but it stops about an inch short of flush. Also I used the pressure plate, clutch and flywheel off the 88 motor, not sure if that matters.
Dedgar is offline  
post #4 of 13 Old 05-15-2014, 07:46 PM
87MJTim
Registered User
1987 MJ Comanche 
 
Join Date: Dec 2012
Location: New Market
Posts: 306
What yr was the AX15 from? The trans input shaft sizes changed. The shaft size was larger on the early AX15s. The pilot bushing in the 4.0 maybe to small. It may need to be changed. I believe it was 93 or 94 that the changed occurred.

Tim

87 Comanche, 4.0, AX15 (formerly BA10/5), D44
84 CJ7, 4.2, AX15 (Formerly T5)
87MJTim is offline  
post #5 of 13 Old 05-15-2014, 07:53 PM Thread Starter
Dedgar
Registered User
1988 MJ Comanche 
 
Join Date: May 2014
Location: Glencoe
Posts: 9
Pretty sure the tranny is the original so it would be a 88, how hard is it to change an input shaft?
Dedgar is offline  
post #6 of 13 Old 05-15-2014, 07:57 PM
87MJTim
Registered User
1987 MJ Comanche 
 
Join Date: Dec 2012
Location: New Market
Posts: 306
The change in input shafts was from 91 to 92.

You want to change the pilot bushing. They're $5 - $6 from Rockauto.com. Be sure to search for one from an early model 4.0/AX15.

You can rent a bearing puller and slide hammer from many auto parts stores.

Edit:

You want the pilot bushing for the earlier AX15

Tim

87 Comanche, 4.0, AX15 (formerly BA10/5), D44
84 CJ7, 4.2, AX15 (Formerly T5)
87MJTim is offline  
post #7 of 13 Old 05-15-2014, 08:12 PM Thread Starter
Dedgar
Registered User
1988 MJ Comanche 
 
Join Date: May 2014
Location: Glencoe
Posts: 9
Thanks for the info, I was figured there had to be something I didn't know.lol
Dedgar is offline  
post #8 of 13 Old 05-15-2014, 08:16 PM
Caish
Registered User
1987 XJ Cherokee 
 
Join Date: Jul 2010
Location: Central
Posts: 631
We put a tranny from a 90 model XJ in the sons 88 MJ that had a ba5/10 the pilot bushing was the same, but my 87 someone used a later model AX15 and it took me a few tries at the parts store to finally get one that worked.

Join us on Jeeperz Creeperz on Google+
Facebook: Arkansas Jeeps
Caish is offline  
post #9 of 13 Old 05-15-2014, 08:23 PM
87MJTim
Registered User
1987 MJ Comanche 
 
Join Date: Dec 2012
Location: New Market
Posts: 306
Quote:
Originally Posted by Caish View Post
We put a tranny from a 90 model XJ in the sons 88 MJ that had a ba5/10 the pilot bushing was the same, but my 87 someone used a later model AX15 and it took me a few tries at the parts store to finally get one that worked.
The early AX15 (pre 92) had the same input shaft as the BA 10. When you use the later AX15 (or a 4.0 that was mated to a later AX15 with the earlier model) you have to change the pilot bushing.

Tim

87 Comanche, 4.0, AX15 (formerly BA10/5), D44
84 CJ7, 4.2, AX15 (Formerly T5)
87MJTim is offline  
post #10 of 13 Old 05-29-2014, 10:16 AM Thread Starter
Dedgar
Registered User
1988 MJ Comanche 
 
Join Date: May 2014
Location: Glencoe
Posts: 9
Ok so I haven't had a lot of time to work on this with the new bushing until today, but I'm still having a problem getting the tranny in. I have the right pilot bushing but still can't get it to slip in the right way, I got some long bolts to help line it up with no success. Any suggestions? Should I use the flywheel off the 93?
Dedgar is offline  
post #11 of 13 Old 05-30-2014, 05:40 AM
87MJTim
Registered User
1987 MJ Comanche 
 
Join Date: Dec 2012
Location: New Market
Posts: 306
The flywheel should remain with the engine. The 88 is Renix; a 93 is HO. The 93 would not work without a major wiring upgrade. Think CPS.

Can you tell where it is binding up? Is it the pilot bushing or is the clutch not lined up properly? Just asking for possibilities.

Tim

87 Comanche, 4.0, AX15 (formerly BA10/5), D44
84 CJ7, 4.2, AX15 (Formerly T5)
87MJTim is offline  
post #12 of 13 Old 06-02-2014, 12:16 PM
Paradise XJ
Registered User
1988 MJ Comanche 
 
Join Date: Jan 2007
Location: Paradise, CA
Posts: 2,424
Have you removed the old pilot bushing AND re-installed the new? When I looked at the pilot busing on mine I couldn't tell that there was a bushing there until I did some digging. whatever you do don't use the bolts to "pull on" the tranny...it should slip right in if you have all the right parts & pieces installed correctly.

1990 XJ Laredo - White & Chrome
1988 MJ Pioneer - Metallic Green and Black
Paradise XJ is offline  
post #13 of 13 Old 06-03-2014, 10:56 AM Thread Starter
Dedgar
Registered User
1988 MJ Comanche 
 
Join Date: May 2014
Location: Glencoe
Posts: 9
I got it back in now, everything was lined up right but the new brass bushing was so tight I had to use longer bolts to slowly pull the bell housing flush, it seems ok now just need to get the shifter back in and transfer case back on. Thanks for everyone's help!!
Dedgar is offline  
Reply

Tags
ax15

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome