Help Identifying Mystery Transmission Part!! ASAP - JeepForum.com
 
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post #1 of 12 Old 08-13-2009, 05:32 PM Thread Starter
MikalCarbine
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Help Identifying Mystery Transmission Part!! ASAP

Doing some routine maintenance on the 02 TJ I just bought two weeks ago. I went to drain the transmission fluid, all was going well until I pulled the drain plug. When it came out I was stunned to find this small pin like object (smooth cylinder, has some gouges along the edges, probably from being ground into the gears...)

See pictures for reference!

http://img512.imageshack.us/i/cylinder1.jpg/

http://img38.imageshack.us/i/cylinder2.jpg/

http://img21.imageshack.us/i/cylinder3.jpg/

http://img149.imageshack.us/i/cylinder4.jpg/

Any idea what this possibly could be?!? The transmission shifts fine, drives great, it is really scary to see this... Any help would be great! I need to get to work tomorrow so I need to refill this tranny tonight.

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post #2 of 12 Old 08-13-2009, 05:46 PM
Red_
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Its kinda small but it could be a pin from one of the shift rails
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post #3 of 12 Old 08-13-2009, 05:53 PM Thread Starter
MikalCarbine
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It is about 5/8" long and 1/2" in diameter, I started looking around online for transmission parts but can't find anything, I'll look into what you said.
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post #4 of 12 Old 08-13-2009, 06:03 PM Thread Starter
MikalCarbine
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How about a pin off of the clutch, check this picture out:

http://rides.webshots.com/photo/2169...65427441wWvUGz
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post #5 of 12 Old 08-13-2009, 06:11 PM
mcg311TJ
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Quote:
Originally Posted by MikalCarbine View Post
How about a pin off of the clutch, check this picture out:

http://rides.webshots.com/photo/2169...65427441wWvUGz
The clutch is seperate from the tranny ( tranny is sealed ) so theres no way that could be it.
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post #6 of 12 Old 08-13-2009, 06:32 PM
rubibluejay
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Quote:
Originally Posted by Red_ View Post
Its kinda small but it could be a pin from one of the shift rails
That's what I'm thinking. I looked up a diagram, and it kind of looks like the shift rail interlock plug.

Jay
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post #7 of 12 Old 08-13-2009, 06:59 PM Thread Starter
MikalCarbine
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Isn't the interlock shift pin longer and skinnier?
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post #8 of 12 Old 08-13-2009, 07:09 PM
rubibluejay
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See Fig. 45 and tell me what you think. Page 17 of 18.

http://www.pirate4x4.com/tech/billav...ssion_AX15.pdf

Jay
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post #9 of 12 Old 08-13-2009, 07:15 PM
OldFatGuy
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Looks like a roller bearing to me.
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post #10 of 12 Old 08-13-2009, 07:25 PM Thread Starter
MikalCarbine
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I'll check into those, keep in mind this is an NV3500, does it share similar parts to the AX15?

Edit: If the NV3500 shares the same plug, seems like the culprit to me...

Even more so the roller bearing, would that be throw out bearing related? What bearings in this transmission would use these rollers?

http://www.quadratec.com/Assets/Imag...3/47253-lg.jpg check this out...

From what I've read it looks just like a bearing from a countershaft front bearing but I can't find any solid pictures of one

Last edited by MikalCarbine; 08-13-2009 at 08:24 PM.
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post #11 of 12 Old 08-14-2009, 04:13 AM Thread Starter
MikalCarbine
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Any other ideas?
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post #12 of 12 Old 08-15-2009, 06:21 AM Thread Starter
MikalCarbine
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I've concluded that it is a roller bearing from the input counter shaft bearing. See the open bearing here:

http://img249.imageshack.us/img249/1572/110717lg.jpg

From what I've talked to others about, it isn't deadly that one of these is missing but it is going to cause drastic wear and inevitable failure. Has anyone serviced this bearing before? Do you not need to get too deep into the transmission to change it? I'm thinking about doing this myself instead of bringing it somewhere, what do you all think?
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