CV drive shaft to U Joint help -
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Unread 01-24-2014, 08:46 PM   #1
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Join Date: Nov 2013
Location: toms river, NJ
Posts: 15
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.

TheManimal is offline   Reply With Quote
Unread 01-24-2014, 09:32 PM   #2
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1998 ZJ 
Join Date: Aug 2011
Location: The Abyss, MD
Posts: 16,031
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.
PolkaPower is offline   Reply With Quote
Unread 01-25-2014, 04:12 AM   #3
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1996 ZJ 
Join Date: May 2012
Location: Yarraville, VIC, AU
Posts: 413
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.
shaban is offline   Reply With Quote

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