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-   -   np231 mounting stud size? (http://www.jeepforum.com/forum/f12/np231-mounting-stud-size-1364934/)

janders82 05-04-2012 09:20 AM

np231 mounting stud size?
 
I've been searching, but can't seem to find an answer...

Does anyone know what size the mounting studs are for the NP231 to bolt up to the AX-15?

dadstoy 05-04-2012 09:33 AM

The part that the t-case slides onto, the part sticking out, is a 3/8"-16, if I remember correctly, but the part that screws into the tranny is a different thread.

janders82 05-04-2012 09:46 AM

Quote:

Originally Posted by dadstoy (Post 13515760)
The part that the t-case slides onto, the part sticking out, is a 3/8"-16, if I remember correctly, but the part that screws into the tranny is a different thread.

thanks. i think i may have foud it.

double ended stud
3/8"-24SAE i believe is the end that screws in the TC

someone correct me if i'm wrong, but I believe the studs are:
3/8"-24SAE x 1" -- 3/8"-16USS x 5/8"

jeepsurf 02-06-2013 11:48 AM

Quote:

Originally Posted by janders82 (Post 13515831)
thanks. i think i may have foud it.

double ended stud
3/8"-24SAE i believe is the end that screws in the TC

someone correct me if i'm wrong, but I believe the studs are:
3/8"-24SAE x 1" -- 3/8"-16USS x 5/8"

This is the correct size. How do I know? I just replaced a few.


I know this thread is old, I just wanted to verify it for anyone who may encounter this later. :thumbsup:

janders82 02-06-2013 01:52 PM

Quote:

Originally Posted by jeepsurf

This is the correct size. How do I know? I just replaced a few.

I know this thread is old, I just wanted to verify it for anyone who may encounter this later. :thumbsup:

Its been a while, but i believe i found it somewhere on a NP231 diagram online. Went to the dealer to order the part an matched it up with their specs. Fit perfectly

muddigger0829 02-06-2013 02:26 PM

I have question. I have 2 broke studs which broke during shipping. Any advice on getting these broke ones out. I drilled - and tried to use a easy out on 1 stud but the easy out broke. How many can you be missing and still be ok. The ones that are broke are side by side. Which I don't. Like the idea of running it with these 2 missing.

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Flajeeper1 02-07-2013 08:49 AM

Seeing as how the case is out of the jeep. Weld a bolt to the broken stud, use PB blaster on the broken stud and let soak, repeat and then remove. Been there done that!

muddigger0829 02-07-2013 09:02 AM

That would be a great idea if there were enough meat hanging out. Broke almost flush. I'm going to try soaking with pb drill heat and try an ex out again. Maybe with pb and heat I won't break another ezout. Last try too. If I break another one ill have to get another front half.

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Flajeeper1 02-07-2013 09:12 AM

Good luck. You might go to a small machine shop and see what they would charge to get them out.

zjosh93 07-16-2013 10:22 PM

Weird, it should be a common Dorman part. I think 675-003 should work depending on how long the shoulder length is.

http://www.dormanproducts.com/catalo...ec17_Part1.pdf

RockAuto sells a pack of ten for $3.90.

EDIT: Just realized that I posted this in the old thread. That's what I get for having so many JF tabs open at once.

5-90 07-16-2013 11:03 PM

Quote:

Originally Posted by janders82 (Post 13515699)
I've been searching, but can't seem to find an answer...

Does anyone know what size the mounting studs are for the NP231 to bolt up to the AX-15?

It's a double-ended stud.

The part that threads into the case is threaded 3/8"-16, the end that accepts the nut is threaded 3/8"-24.

(There are sound engineering reasons for doing so, but there isn't enough force here for them to apply.)

The studs may be removed and replaced with threaded rod (3/8"-16) and nuts to match, or you may use a hardware store stud threaded 3/8"-16 - as long as the center section isn't too long to allow for proper clamping with the nuts.

www.kelleyswip.com/tech.html, follow the links.

Kuntryboy816 07-17-2013 06:19 AM

Quote:

Originally Posted by muddigger0829 (Post 14924032)
That would be a great idea if there were enough meat hanging out...
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TMI :rofl:

Quote:

Originally Posted by muddigger0829 (Post 14924032)
....try an ex out again.
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This is never a good idea. Even if it's just an occasional "hookup" they tend to get clingy and want to get back together. Just remember why they're an "ex" :cheers2:


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