knock

Hello all! I just picked up an 08 Liberty 3.7 auto 4x4 with 80k and noticed it has a faint deep knock after it's warmed up. The knock is only there when in gear at idle. You can feather the gas and hear it but it's gone upon acceleration. I'm assuming it has a bad rod bearing, I'm just wondering...

Just like any other time I've had a problem, I'll poke around and see what I can fix using Google and mechanical intuition; failing that, I come here. To the experts, for help in diagnosis, repair options and general aid. THANK YOU ALL IN ADVANCE! :!: The Engine- AMC 232 w/ Webber 2bbl...

Hey guys, I'm back again and wanted to see if anyone has run into the same issue I am having. First, I recently install a used AW4 transmission (about 3 months ago) and haven't had any problems. Just the other day the Cherokee was vibrating very rough at low rpm and would smooth out when I...