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-   -   Np231 issue (http://www.jeepforum.com/forum/f13/np231-issue-1541436/)

Tankmeister 06-25-2013 09:17 PM

Np231 issue
 
I have a 93 4.0 with the np231. Got stuck in a sticky situation and flooded the tranny with water. So I proceeded to flush it until it was completely out, issue is, when I'm in 4 wheel for a period of time or stress it a bit, it whines very loud, to be more specific ( makes the same whiring noise as if you were going in reverse with a manual trans.) is the t-case gonna go or do I have time to save it and what do I do?

jm8881 06-25-2013 09:43 PM

Did you flush the tcase as well? They don't, or shouldn't, share fluid.

Tankmeister 06-25-2013 09:53 PM

Nah I haven't, and I honestly don't know how to. So any tips would be great

Tankmeister 06-27-2013 06:39 PM

I also need to know how I can figure out what spline I have, it's the 231 that connects to the 42re trans.

RoldGold 06-28-2013 09:15 AM

Should be able to find info on splines here: http://www.jeepforum.com/forum/f13/t...-np242-685644/

JohnnyZJ 06-28-2013 10:43 PM

23 spline outer

Tcase has two 30mm plug bolts on the tcase. One to fill one to empty. Easy peasy

Tankmeister 06-30-2013 03:42 PM

Thanks, drained and refilled it, came out like BBQ sauce.


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