Drive Shaft Fix -
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post #1 of 2 Old 04-20-2015, 08:34 AM Thread Starter
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1995 ZJ 
Join Date: Nov 2011
Location: Houston
Posts: 97
Drive Shaft Fix

Hey y'all, I'm looking to finally get a new driveshaft after going 2wd for almost a year now because it's hard to do those kind of things while living on a college campus. But I'll be home in about three weeks and I need to have a plan on what to do to get it fixed on a budget. The driveshaft broke two days after I got my 4.5 " Premium IRO lift (Adj. Control Arms all around). So, what did you guys do to fix this without spending a bunch of money?

Other hopeful summer mods:
Build a custom metal/wooden firearm storage/misc. storage in the truck
4" flare fiberglass fenders
Fiberglass hood
A/C Fix
Build a Pre-runner style winch bumper
Roof Rack
Switch out 15x10 wheels to 15x8 wheels

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post #2 of 2 Old 04-20-2015, 08:46 AM
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1998 ZJ 
Join Date: Aug 2011
Location: The Abyss
Posts: 22,598
You need a U jointed front shaft with a U jointed yoke. A rzeppa shaft will just break again. Mine broke first time off road with a 2" lift. I got a front shaft from a JY for around 30 bucks and a shop put in the yoke for 120.

If you still have your stock 249 transfer case then the viscous coupler inside is certainly burnt out. You cannot remove the front shaft on a 93-95 249 equipped ZJ without burning out the viscous coupler. All v8 ZJ's came with a 249.
96-98 is ok.

Running a shaft up front with a burnt out VC will wear your front tires around the edge and put a bunch of stress on the diff and steering parts and eventually cause a lot more worn out parts which means a lot more money.

Viscous couplers are 300-400 dollars for a new one. If you don't want to replace it then the cheapest thing to do would be to put in another transfer case like a 242 or 231.
Never buy a used 249 because there is no way to tell if the VC is good or not unless it's being driven.

If you do not want to fix it then only putting in the front shaft when you go off road will be ok because the front tires will have enough slip on the dirt to not hurt anything. Just take it out for street driving.
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