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Unread 01-10-2010, 09:11 AM   #1
Jeremey5000
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1995 YJ Wrangler 
 
Join Date: May 2008
Location: Tampa, Florida
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No first or second gear

I almost got slammed into this morning. I was waiting on a break in traffic to turn across the road. When I saw my chance I put it in first and went to go but I only rolled right into the way of a big truck. My first and second do nothing at all but I do have 3,4,5, and reverse. What am I looking at as far as fixing it?

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Unread 01-20-2010, 12:59 PM   #2
Jeremey5000
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Anybody? lol
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Unread 01-20-2010, 01:05 PM   #3
msprooch
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If your capable of tearing apart a tranny then just replace the broken parts, if not like me, buy a remanufactured.
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Unread 01-20-2010, 01:42 PM   #4
modre
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sounds like you get to open up a transmission and see if it's simply a quick broken fork or similar

I'm not real optimistic.

the problem with shrapnel (all hardened steel) in a gearbox is it gets all thru the bearings and gear mesh surfaces. quick fix is a replacement transmission.

pull the drain plug and see if the oil is metallic (bad news) or cleanish (maybe hopeful)
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Unread 01-20-2010, 02:25 PM   #5
Mean Max
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You have an AX-5, and it sounds as though you have a broken/damaged shift fork.

This is an AX-5 I rebuilt a while back in these pics.





To fix it will require complete disassembly, and a rebuild would be the sensible thing to do because the parts are so cheap.

Where in Florida are you? Maybe I can help?

Max
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No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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Unread 01-20-2010, 05:11 PM   #6
kloppk
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The problem could also be stripped splines between the shaft and the 1/2 synchro hub.
(I have a TJ that came used and abused with the splines stripped on the 3/4 synchro hub)
In any case it reqires opening up your tranny to fix it or a replacement tranny swapped in.
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Unread 01-20-2010, 05:44 PM   #7
Mean Max
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Quote:
Originally Posted by kloppk View Post
The problem could also be stripped splines between the shaft and the 1/2 synchro hub.
(I have a TJ that came used and abused with the splines stripped on the 3/4 synchro hub)
In any case it reqires opening up your tranny to fix it or a replacement tranny swapped in.
I agree. I have never seen this myself, but if you have then I'm sure it's a distinct possibility. I know that the problem must exist in a way that affects BOTH gears, so either a shift fork issue like I descibed, or the hub issue as you described would almost have to be the cause.

Thanks for educating me!

Max
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Quote:
Originally Posted by UltimatE View Post
Max has a picture of every Jeep part ever made.
Quote:
Originally Posted by Benderff View Post
No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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Unread 01-20-2010, 06:32 PM   #8
kloppk
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Quote:
Originally Posted by Mean Max View Post
I agree. I have never seen this myself, but if you have then I'm sure it's a distinct possibility. I know that the problem must exist in a way that affects BOTH gears, so either a shift fork issue like I descibed, or the hub issue as you described would almost have to be the cause.

Thanks for educating me!

Max
Max - No problem

Here is a pic of the 3/4 hub I had to replaced.
Note the missing splines on the inside

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Unread 01-20-2010, 06:46 PM   #9
Mean Max
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Quote:
Originally Posted by kloppk View Post
Max - No problem

Here is a pic of the 3/4 hub I had to replaced.
Note the missing splines on the inside

UGH! The pic is blocked for me here at work.

I'll check it out in the a.m.

Max
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Quote:
Originally Posted by UltimatE View Post
Max has a picture of every Jeep part ever made.
Quote:
Originally Posted by Benderff View Post
No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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Unread 01-21-2010, 09:10 AM   #10
Jeremey5000
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Sounds like good news to me so far. The cheapest quote I got to have it rebuilt is 650.00 labor plus parts...
I got it out of the jeep and will be breaking into it today to take a look at the damage. I'll take some pics of what I find. Is there any special tools needed to get it apart?
I'm in Zephyrhills about 30-45 minutes north of Tampa mean max. Where are you at?
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Unread 01-21-2010, 10:19 AM   #11
kloppk
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You won't need any special tools to tear into it to diagnose it.
If it's just a bad shift for you are all set using standard tools.
However if you need to pull the main shaft out to do the repair and remove the synchros and gears you will need a long reach gear puller and then a press to re-assemble the main staft.
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Unread 01-21-2010, 02:33 PM   #12
Mean Max
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Quote:
Originally Posted by Jeremey5000 View Post
Sounds like good news to me so far. The cheapest quote I got to have it rebuilt is 650.00 labor plus parts...
I got it out of the jeep and will be breaking into it today to take a look at the damage. I'll take some pics of what I find. Is there any special tools needed to get it apart?
I'm in Zephyrhills about 30-45 minutes north of Tampa mean max. Where are you at?
I'm on the east coast, over here in Stuart, about 40 miles north of West Palm Beach. I can help you rebuild it if you feel like dragging the gearbox over here.
Quote:
Originally Posted by kloppk View Post
You won't need any special tools to tear into it to diagnose it.
If it's just a bad shift for you are all set using standard tools.
However if you need to pull the main shaft out to do the repair and remove the synchros and gears you will need a long reach gear puller and then a press to re-assemble the main staft.
I've been able to use just a standard puller, a bearing splitter, and a 12 ton shop press to get them all done.
Max
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Quote:
Originally Posted by UltimatE View Post
Max has a picture of every Jeep part ever made.
Quote:
Originally Posted by Benderff View Post
No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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