last night i went under my car just to take a look around and found a lot of grease comming of the front output shaft from the transfer case, it splashed all over the making a line of heavy grease......... my guess is the shaft seal....
is it normal???? never had this on any of my jeeps before

take a look at the pics

I think someone posted about this exact problem within a month ago.
Can't remember what was replaced.

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2008 Black Jeep Liberty Sport
4.7L throttle body
Old Man Emu lift
Sky Slider
Hypertech Max Energy
K&N CAI
Gibson stainless steel exhaust
Blacked out
ScanGauge2
BFG All Terrrain 225/75/16
JBA upper control arms

Not normal.

That is the boot going bad on the driveshaft more than likely from the looks of it letting grease from the CV leak out. It spins, gets hot, grease flings out.
Easy repair about 50 bucks for the repair kit
have to remove driveshaft etc.
KJs have the same issues of course

Oh parts are available from driveshaftparts # ME807 I assume is the same as the KJs

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MUDD'S MOTORSPORT'S We do IFS lift installs ,
03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ 2.5 inch TOTAL CONTROL JBA coilovers -JBA Arms/MOABS-31 FALKEN WILDPEAK AT3W / 4.10's etc, 04 Kilimanjaro Edition loaded, plus 05 KJ limited

dropping the car at he dealer tomorrow, i have extended warranty and it will be covered