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  #1  
Old November 26th, 2005, 19:53
Sting25's Avatar
Sting25 Sting25 is offline
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Join Date: Oct 2005
Location: Wheat Ridge, Colorado
Posts: 562
help requested

Hello all,

I need help with my t-case please. I would love for someone familiar with np231's to help me adjust my linkage. I spent ALL day playing with it and am concerned I am going to blow it up.

I will gladly trade wrenching time/help with your rig for taking a look at my linkage I may need to rebuild the t-case?? I donít know.

at this point I got it into 4wd and took the front DS out so it is mobile. I can go anywhere in the Denver area and Northern Colorado.

Here are things I have done to my rig in the last 2 weeks
1.re 3.5 lift
2.T-case swap
3.T-case drop
4.Rear main seal
5.Rear disc conversion (this was very fun)

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  #2  
Old November 27th, 2005, 00:15
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Yucca-Man Yucca-Man is offline
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Location: Castle Rock, CO
Posts: 6,251
Re: help requested

Adjusting the linkage is pretty easy - wish I had a pic right now, but there is a long rod coming forward from the t-case. On the forward end of that, there is a bolt holding the rest of the linkage together. Loosen the bolt, then make sure the t-case is in 4-lo (all the way to the rear). You may need to get the wheels in the air to do it though. Put the t-case shifter in 4-lo, and then tighten the bolt.
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  #3  
Old November 27th, 2005, 07:42
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Sting25 Sting25 is offline
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Re: help requested

Quote:
Originally Posted by Yucca-Man
Adjusting the linkage is pretty easy - wish I had a pic right now, but there is a long rod coming forward from the t-case. On the forward end of that, there is a bolt holding the rest of the linkage together. Loosen the bolt, then make sure the t-case is in 4-lo (all the way to the rear). You may need to get the wheels in the air to do it though. Put the t-case shifter in 4-lo, and then tighten the bolt.
I have done this, over and over and over. I grabbed the instructions off of many different sites.

Put the truck in the air.
put the t-case in 4 low
use a 3mm shim
loosen the bolt to let the linkage slide
blah blah blah

Grind grind smoke is all I get
I think I can get 4WL 4WH and neutral and lots of grinding where I should get 2wd.

I just put this t-case in I KNOW my other one is toast...
The wife is gonna kill me if I want to spend more $$$ on another t-case without someone more knowledgeable taking a look.
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  #4  
Old November 27th, 2005, 10:02
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Sting25 Sting25 is offline
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Join Date: Oct 2005
Location: Wheat Ridge, Colorado
Posts: 562
Re: help requested

Let me be more specific.....

I just need a person to listen to it.....Not get dirty or spend hours and hours...I know what bolts to loosen to make everything slide. But with the noises its making I think I am breaking something. I have no qualms about doing a rebuild, but would rather not if I can avoid it.

hmmmmm random thought.
I have a second np231 I shifted but I think the chain is very stretched (If I shake it you can hear it hit the side). Worst case I use this np231 with the chain off the 231 in my xj...Still a day of work I would not like to do if not needed.

Am I in danger of killing my transmission? Due to grinding the gears over and over to see if the last t-case adjustment worked?
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  #5  
Old November 30th, 2005, 14:13
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Yucca-Man Yucca-Man is offline
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Join Date: Jul 2003
Location: Castle Rock, CO
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Re: help requested

How's it coming? Still not adjusting correctly?

I wasn't sure how you'd been adjusting so I figured it would be better to be on the safe side and give you that procedure.

Oddball thought - if you loosen that adjusting nut and manually force 2wd, does it still grind?

Jim
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  #6  
Old November 30th, 2005, 15:13
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Sting25 Sting25 is offline
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Location: Wheat Ridge, Colorado
Posts: 562
Red face Re: help requested

Ya is still not right, I am starting to aquire what I need to combine the case thats in my xj and the one I pulled. I think just the chain may be worn in my old one.

LOL I am going to be good at switching t-cases by next week!!

I think I fried something while messing with it as well. No horn, no temp gauge, no speedo.. I cant figure the relationship between them all but going to check fuses tonight.

Thanks for checking on me
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