Rednroll

^ How many miles on it?

I have 140K miles on my 2009, and haven't had any trans issues or bad symptoms...knock on wood.

I had a 2003 Liberty which had the same 42RLE trans and that started doing what you described around 100K miles.

azphoto

Having no previous issues with my Jeep, I was told to "flush" the auto tranny at 50,000 miles. I did that at a local 4X4 shop. About a month later as I was backing out of the garage the Jeep came to an abrupt halt and started making a grinding noise, lurching and acting like I was backing over the trash can.
Call the tow truck, off the stealer and, yep, tranny was kaput. No one said the flush caused this but comeon, I don't know it for a fact but I just know it's true.
Stealer got Jeep to go 50-50 on the replacement since it was out of warranty by 2 months but still cost me $2400.

Tactical_Geek

It currently has about 123500. I've put 10k on it since I bought it a year ago. It's never gotten worse, just something I wondered about.

SterlingSahara

80,000 miles on a 2010 Wrangler, pretty much stock. Torque Converter seal blew, replaced it, no good. This weekend I am replacing the converter and the seal, there is a tiny wear mark where the seal rides and it just wont seal up. It's a pita to pull the tranny on these suckers without a lift.....

catahoula

Had torque converter replaced at around 114,000.

Tactical_Geek

Welp... she blew up today. Barely moves and grinds like hell.

bobknake

my 2010 jku 150,000 miles - auto w/3.8
presently, no issues... well the engine uses a little oil, but no tranny issues