Front shaft is bad...Took it in and had it rebuilt...One day turnaround....It gets installed friday along with the rear upper control arm...HJ

http://www.ccidriveline.com/jeep/libert ... shaft.html

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☀lllllll☀Black 05 CRD Splimited, Track Lock, Select Track, Suncoast TC, Transgo shift kit
GDE Hot Tune & Trans Tune, K&N Filter minder, Green Air Filter, Magnaflow 1226
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LED Courtesy Lts & Rear floor Lts, Halo Key Light
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Nobody has upgraded theirs? HJ

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☀lllllll☀Black 05 CRD Splimited, Track Lock, Select Track, Suncoast TC, Transgo shift kit
GDE Hot Tune & Trans Tune, K&N Filter minder, Green Air Filter, Magnaflow 1226
LT245/75/16 BFG AT, EVIC, INPro LED 3rd Brake Light, V6 Airbox
LED Courtesy Lts & Rear floor Lts, Halo Key Light
02 Radio Bezel with ashtray & LED light ☀lllllll☀

I know of no upgrade for the front DS.
I removed mine and replaced one of the joints. Pretty easy to do.

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U.S. Army Retired

I "upgraded" mine, as was mentioned before, it vibes

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2002 KJ Limited 3.7, 5.25" lift via coilovers, custom HD rear springs, 32.2" tires on moabs (soon 33s) 4.56/JBA diff, OX lockers front/rear, NP241OR, Parker Fab front/rear bumpers, rock rails and roof rack, Viair OBA.

2006 KJ sport 3.7, 4" Ironman lift, 32" tires, Parker Fab front/rear bumpers and rock rails.

I replaced the transfer case end CV joint and boot on the front drive shaft last year. Bought the replacements from Detroit Axle. Less than $100 bucks for all parts.... Works like new....

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Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount
98 Dodge Cummins 24 Valve

So nobody looked at the link I posted in the first post...It shows the upgraded drive shaft....HJ

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☀lllllll☀Black 05 CRD Splimited, Track Lock, Select Track, Suncoast TC, Transgo shift kit
GDE Hot Tune & Trans Tune, K&N Filter minder, Green Air Filter, Magnaflow 1226
LT245/75/16 BFG AT, EVIC, INPro LED 3rd Brake Light, V6 Airbox
LED Courtesy Lts & Rear floor Lts, Halo Key Light
02 Radio Bezel with ashtray & LED light ☀lllllll☀

I looked at the link. Are they claiming anything beyond just replacing the rear CV on the prop shaft with u-joints? Stronger, better support for driveshaft angles due to a lift, etc? Granted, the rear CV is prone to failure due to the boot getting damaged and it collecting debris. But you can replace the rear CV 3 times for $350 and have $$ to spare. It's not a tough repair.

I'm also not sure I like this "At the differential end of the drive shaft the OE CV is disassembled, cleaned, inspected and reassembled with new grease." If you're going to go to that length, just replace it. I did both on mine for $180. And then cleaned and painted the prop shaft.

I don't understand the 'core charge' either. They plainly state they don't start working on it until they receive your prop shaft. What are they expecting you to ship back.

Am I missing something?