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Old 11-08-2009, 02:03 PM   #1
cherokeeKID
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Up Country Option Rear Axle
does anyone know how the rear axle works on the up country suspension package on a '99? is it a locker or limited slip etc...?

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Old 11-08-2009, 02:09 PM   #2
MLTXJ9889
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It for sure has no locker. I am also almost positive it does not have limited slip unless its a D35.
What year?
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Old 11-08-2009, 02:24 PM   #3
evoGibson
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1999, he said it in hte first post
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Old 11-08-2009, 02:29 PM   #4
DougJ
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On my '01 the upcountry package included a Trac-Lok limited slip in the 8.25, I think it's the same for the '99.
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Old 11-08-2009, 02:41 PM   #5
MLTXJ9889
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Quote:
Originally Posted by DougJ View Post
On my '01 the upcountry package included a Trac-Lok limited slip in the 8.25, I think it's the same for the '99.
Your probably right.
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Old 11-08-2009, 03:13 PM   #6
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Quote:
Originally Posted by cherokeeKID View Post
does anyone know how the rear axle works on the up country suspension package on a '99? is it a locker or limited slip etc...?
It is the Trak Lok lsd and works pretty much like any other lsd. It uses clutch packs and requires an additive to be added to the pumpkin lubrication. You can purchase rebuild kits if yours no longer seems to work, however there are better choices available now (read Aussie Locker) which provide better locking performance than the Trak Lok does (when it works).
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Old 11-08-2009, 03:42 PM   #7
cherokeeKID
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what gear ratio is my '99 cherokee with a chrysler rear most likely to be?
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Old 11-08-2009, 03:51 PM   #8
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3:55....................
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  1. '95 XJ country edition, 4" coils/3/4" spacers, HD leafs with extra main added in, Ironman adjustable control arms, rough country shackles, aussie locker, JK rubicon shocks, 35" mudder's, soft 8's, cobra cb
  2. '99 WJ limited, 4.7L, 3" IRO lift. Bilstein shocks, JK rubicon wheels, 255/70/17's, carolina driveshaft, IRO adjustable control arms, IRO adjustable A-arm
  3. Sold '00 TJ, 4" lift, rusty's adjustable control arms, skyjacker shocks, rock krawler adj. trac-bar,rugged ridge SYE and RE driveshaft, soft 8's, 35" mud king xt's,XJ HP D30 w/aussie locker, 4:88 yukon gears, hella 500's, rock crusher diff covers
4. 04 Dodge ram 1500 quadcab, yes, it has a hemi.
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Old 11-08-2009, 04:06 PM   #9
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Some bed time reading that will answer your next 3 questions...
http://www.jeepforum.com/forum/f11/tech-faq-links-tsbs-89273/

Martin
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1998 Range Rover 4.6 HSE
2000 4.7 4WD WJ with a rebuilt motor.
4.3/700r4/new frame buildup (YJ)....
http://www.jeepforum.com/forum/f12/swap-offically-underway-324622/

Years to gain the hands on experience, and offer it freely.
Minutes to gain the knowledge from the internet, and quote it just as freely.
Choose wisely!
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Old 11-08-2009, 10:27 PM   #10
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Some bed time reading that will answer your next 3 questions...
Tech/FAQ links and TSBs.

Good answer , good answer , ...
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