Not sure what could be the cause of the limited slip not engaging any more, possibly worn clutch plates? i already checked diff fluid and put an ounce of limited slip additive in the diff and didnt do anything. both tires are worn the same on the back as well any one else had this problem within 63,000 miles?

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05 CRD Limited, SEGR Kit, EHM, Selectrack Alpine DVD, 6000k HID headlights, Aux Lift Pump, 2.5" straight pipe, Diablo Extreme Puck, Euro converter
02 SLT Cummins H.O. 6spd manual with southbend 3850dd, fass 150hd, ddp 150hp injectors, arp studs, adrenaline stacked w smarty, traction bars, 6 inch stacks, level kit, bhaf

What fluid are you using? I was using the fluid recommended in the owners manual and it was screwing my Trac-Lok up really bad. I switched to Walmart "Super Tech" regular dino fluid in the 85W140 flavor with LS additive and my stuff is smooth as butter now and the LS works better.

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2005 Stone White KJ Limited CRD 4x4
Off-Road Pkg
Trac-Lok
Emu 790s/948s
Skyjacker H7088s rear/Bilsteins front
15x7 Black Rock Lobos/31x10.50 Firestones
GDE HOT Tune + TCM Tune
Euro TC
CB radio
Thrush Turbo muffler
AEM DryFlow filter

At 63,000 it's just pretty much worn out. It'll probably still spin both rears on snow, but not on pavement anymore.

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05CRD: GDE Hot ECU & TCM tunes, Provent, Cat filter, Facet lift pump, TransGo kit, Florida TC, Samcos, stainless brake lines, HDS thermostat, Renegade light bar,
RL super sliders, Bilstein adjustables, Al's Gen 4.5 Arms, 235/85-16 Duratracs, DTT rear, Elocker front, EVIC+TPMS, Turbo timer, McNally pillar gauges, Weeks Stage II kit.

well it spins both rears on snow sometimes, not all the time, should i order new plates for it? or is entire unit need to be replaced? i havent changed the fluid yet either. it was changed before i bought it with 53,000 miles on it supposedly

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05 CRD Limited, SEGR Kit, EHM, Selectrack Alpine DVD, 6000k HID headlights, Aux Lift Pump, 2.5" straight pipe, Diablo Extreme Puck, Euro converter
02 SLT Cummins H.O. 6spd manual with southbend 3850dd, fass 150hd, ddp 150hp injectors, arp studs, adrenaline stacked w smarty, traction bars, 6 inch stacks, level kit, bhaf

A fluid change couldn't hurt, but it won't rebuild worn clutches. Here's something I found while researching the subject of a reubuild. Can't vouch for it. http://www.discountjeepparts.com/produc ... s_id/24245

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05CRD: GDE Hot ECU & TCM tunes, Provent, Cat filter, Facet lift pump, TransGo kit, Florida TC, Samcos, stainless brake lines, HDS thermostat, Renegade light bar,
RL super sliders, Bilstein adjustables, Al's Gen 4.5 Arms, 235/85-16 Duratracs, DTT rear, Elocker front, EVIC+TPMS, Turbo timer, McNally pillar gauges, Weeks Stage II kit.

You do realize the more limited slip additive you put in the rear, the more it slips right? You should drain the rear fluid, and just run some good Gear oil with limited slip additive already in it as already stated. You have to realize the factory Trac-Lok isn't like a detroit locker or anything. They will slip fairly easily, especially off road.
Tommy

What fluid do you recommend w the additive already in it?

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05 CRD Limited, SEGR Kit, EHM, Selectrack Alpine DVD, 6000k HID headlights, Aux Lift Pump, 2.5" straight pipe, Diablo Extreme Puck, Euro converter
02 SLT Cummins H.O. 6spd manual with southbend 3850dd, fass 150hd, ddp 150hp injectors, arp studs, adrenaline stacked w smarty, traction bars, 6 inch stacks, level kit, bhaf

Jeep specifies their own synthetic rear diff lube and specific additive. Our experience with the TracLok is its only pretty useful for 35 to 40K miles. We have a factory ESP so it only costs $100 each time we have it rebuilt. I plan to install a Detroit TrueTrac when the warranty runs out.

DOC

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2005 KJ CRD Ltd Detroit TrueTrac Bilsteins G2 GDE "HOT" ECU GDE TCM "Tow Tune" "euro" TC SEGR Weeks Elbow New HG at 130K ARPs Clean CAT aFe Filter Magnaflow Exhaust EHM Cumminos In-Tank Lift Pump Hayden Fan Clutch Nylon Fan VH Enabled with GDE lower shutoff point Recalibrated Temp Gauge Tekonsha Prodigy Sears P-1 ZDDP

You do not have ESP being as you have a '05,ESP didn't come around till '06 for any KJ.

ESP was selectable option in '05 CRD, standard in '06

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'05 CRD Limited
Pricol EGT, Boost
GDE Hot '11; EDGE Trail switched
SEGR; Provent; Magnaflow;
Suncoast T\C, Transgo Tow'n'Go switch;
Cummins LP module, Fleetguard filter, Filterminder
2.5" Daystar f, OME r; Ranchos; K80767's, Al's lifted uppers
Rubicons, 2.55 Goodyears
Four in a row really makes it go

No it was not,did not appear till model year 2006 in a KJ.Don't confuse ABS in a '05 as having ESP.To have ESP you must have the 4 channel ABS which a '05 does not have.

ESP refers to "Extended Service Plan". We have the DCJ "Maximum Care" 7/100 ESP. We paid $1800 for it prior to the expiration of the 3/36 warranty. We pay the first $100 each time the Jeep goes in for a warranty repair.

DOC

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2005 KJ CRD Ltd Detroit TrueTrac Bilsteins G2 GDE "HOT" ECU GDE TCM "Tow Tune" "euro" TC SEGR Weeks Elbow New HG at 130K ARPs Clean CAT aFe Filter Magnaflow Exhaust EHM Cumminos In-Tank Lift Pump Hayden Fan Clutch Nylon Fan VH Enabled with GDE lower shutoff point Recalibrated Temp Gauge Tekonsha Prodigy Sears P-1 ZDDP

In this context we are talking about Electronic Stability Program.

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05CRD: GDE Hot ECU & TCM tunes, Provent, Cat filter, Facet lift pump, TransGo kit, Florida TC, Samcos, stainless brake lines, HDS thermostat, Renegade light bar,
RL super sliders, Bilstein adjustables, Al's Gen 4.5 Arms, 235/85-16 Duratracs, DTT rear, Elocker front, EVIC+TPMS, Turbo timer, McNally pillar gauges, Weeks Stage II kit.

has anyone replaced the clutches in the limited slip? any special tools required?

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05 CRD Limited, SEGR Kit, EHM, Selectrack Alpine DVD, 6000k HID headlights, Aux Lift Pump, 2.5" straight pipe, Diablo Extreme Puck, Euro converter
02 SLT Cummins H.O. 6spd manual with southbend 3850dd, fass 150hd, ddp 150hp injectors, arp studs, adrenaline stacked w smarty, traction bars, 6 inch stacks, level kit, bhaf

Why bother,just get a Detroit True Trac and call it a day.No clutches to ever wearout and no friction modifier needed and 1000% better then any clutch based LSD.