NP231 Transfer Case Crack - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 09-14-2000, 08:27 AM
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NP231 Transfer Case Crack

A few weeks ago, I ended up breaking my transmission/transfer case mount (it mounts to the skid plate) on my 94 Wrangler Sahara. I think this happened when I jumped a dune and landed hard at the sand dunes near my house. I didn't even know it happened until I decided to change all my fluids and noticed the transfer case leaking. After removing the skid plate, I noticed that the leak was coming from a pin-sized hole in the front half of the transfer case housing. The hole was caused when the transfer case hit the skid plate.

Question: What are my options?
1) Can I solder/weld/patch the pin-sized hole to temporarily get by?
2)Should I buy a new front half of the housing from the dealership?
3) Should I buy a used/rebuilt transfer case from a junk yard, and do you think they sell used front housings?
4) Would a better option be to buy the Teraflex 4:1 crawler gear option for the transfer case? They include a new front housing?
5) Should I buy a transfer case from the dealership?
6) Should I buy an Atlas II transfer case?

Any help would be highly appreciated!

Dino Filias
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post #2 of (permalink) Old 09-14-2000, 10:37 AM
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Re: NP231 Transfer Case Crack

Heck, if you can afford it buy the Atlas! And BTW, no matter what you see on TV or in the movies, relatively stock vehicles WERE NOT made to get airborn. The usual thing that happens with Jeeps is a bent frame. [img]/wwwthreads_images/icons/shocked.gif[/img]

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post #3 of (permalink) Old 09-14-2000, 11:19 AM
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Re: NP231 Transfer Case Crack

Actually, the airborn-ness occured because you need speed to make it up these dunes, and they are constantly changing. I just under-anticipated the crest of the hill.

Also, I talked to a Jeep Dealership mechanic and he recommended using some simple JB welding epoxy. He says he uses it all the time. There really is no pressure involved inside of the xfer case. The only thing I'm worried about is the integrity of the housing... it may crack over time. I just need a quick, cheap fix to be able to drive around.

The Atlas is nice, but at $2200 plus shipping, plus a longer driveshaft, I'd be looking well into $2500. I need a cheaper solution than that.

The Teraflex 4:1 kit seems pretty reasonable. At $1000, you get a new front housing, new planetary gear, seals and shafts. Plus I won't have to invest in a longer driveshaft right away. I can add a SYE kit and longer driveshaft later.


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post #4 of (permalink) Old 09-14-2000, 01:06 PM
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Re: NP231 Transfer Case Crack

I think if you were planning on getting 4:1 kit in the future then maybe you should just get it now. For one thing it's a good excuse to buy something expensive for your Jeep. This is probably the route I would go if I were in your shoes and had the money for it.

<font color=red>Chad</font color=red>
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post #5 of (permalink) Old 09-14-2000, 01:24 PM
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Re: NP231 Transfer Case Crack

Or if you need a temporary fix, until the 4:1 gets there and you have time to install it, go with the certainly won't hurt anything...just make sure the hole is clean and the t-case is empty when you patch it...and don't push too much JBWeld into the hole (don't wanna have a big bump on the inside, eh?)

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