CV drive shaft to U Joint help -

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post #1 of 3 Old 01-24-2014, 08:46 PM Thread Starter
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CV drive shaft to U Joint help

Hey folks, I recently discovered that I have a cv front drive shaft in my zj which sucks! Anyways I have been doing research on it but have not found answers to all of my questions.

I was wondering:
-When you swap from a cv to a u joint, will I have to switch my 249 t case for a 242?

-Is all I need to do for the swap is just get a new yoke and replace the drive shaft with a same length u join style shaft? Is it just a bolt on kind of deal?

By the way I have a 1997 4.0l laredo if it helps. Its the AWD model.

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post #2 of 3 Old 01-24-2014, 09:32 PM
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1998 ZJ 
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Yoke and proper length drive shaft. If you are asking then you won't be able to do the yoke yourself. It's kind of a skilled installation involving some math and a dwarf.
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post #3 of 3 Old 01-25-2014, 04:12 AM
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1996 ZJ 
Join Date: May 2012
Location: Yarraville
Posts: 571
Not an easy swap if you're not mechanically minded.
You'd need to re-set the front differential pinion bearing preload, and possibly use a new crush sleeve and a yoke seal.
Doable but you need to know which end to hold the wrench by.

If you do it wrong, your front diff may not live long after that.
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