1994 ZJ viscous coupler problem? - Page 2 - JeepForum.com

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post #16 of 23 Old 10-12-2013, 07:41 AM
Timo_90xj
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Quote:
Originally Posted by ZJfamilyfun View Post
Ummmm....im confused. Correct me if im wrong, but only the 96-98 249's have VC's. And the 93-96 have more like a clutch pack.
Nope.

All ZJs with the AWD case are 249s, all of them have a viscous coupler. There is a slight difference in the design of the system between the early- and late-model 249s though, '96-'98 being the better of the two.


1998 Grand Cherokee 5.9 LX daily driver, 1.75" BB, 32" KM2s, HPD30 Eaton e-locker/D44a stock LSD, 4.56 gears, custom- fabbed tube bumpers and tube fenders,...

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1990 XJ Limited (4-door), 4.0 I6, AW4, NP242, ***rolled and totalled @ 165k miles***

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1990 XJ (4-door), 4.0 I6, AW4, NP242, PBR 42" tires, Unimog 404 portal axles, 110" WB, full cage + uniframe completely rebuilt, front 3-link + panhard / double triangulated 4-link rear,... ***SOLD***
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post #17 of 23 Old 10-12-2013, 09:46 AM
PolkaPower
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Quote:
Originally Posted by ZJfamilyfun View Post
Ummmm....im confused. Correct me if im wrong, but only the 96-98 249's have VC's. And the 93-96 have more like a clutch pack. So if you are experiencing wheel hop/bind start with the tire and also check the u-joint/CV-joint on that side.
All 249's have a VC. I have never had binding or hopping from a CV joint. Probably because I noticed it was going bad way before that could happen. Just clicks and pops. All 249 equipped ZJ's had CV shafts.
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post #18 of 23 Old 10-12-2013, 10:50 AM
tucsonzj
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Quote:
Originally Posted by PolkaPower View Post

All 249's have a VC. I have never had binding or hopping from a CV joint. Probably because I noticed it was going bad way before that could happen. Just clicks and pops. All 249 equipped ZJ's had CV shafts.
Half shafts, not drive shafts

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post #19 of 23 Old 10-12-2013, 11:27 AM
PolkaPower
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Originally Posted by tucsonzj View Post
Half shafts, not drive shafts
I was indeed talking about the axles. CV drive shafts weren't used until mid 95ish give or take.
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post #20 of 23 Old 10-12-2013, 03:49 PM
tucsonzj
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Quote:
Originally Posted by PolkaPower View Post
I was indeed talking about the axles. CV drive shafts weren't used until mid 95ish give or take.
I know, I was just clarifying for other readers so we didn't confuse them anymore than usual lol.

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post #21 of 23 Old 10-20-2013, 12:22 AM Thread Starter
bigcase007
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Just to clarify the NP231 out of the Comanche should work for my swap?
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post #22 of 23 Old 10-20-2013, 12:51 AM
JohnnyZJ
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6 cyl yes. 4 cyl no.

07' JKUR rollin on 35s
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post #23 of 23 Old 10-20-2013, 01:03 AM Thread Starter
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Ok thank you good to know
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