I had the advantage to work on my Jeep liberty sport 3.7L v6 for an automotive class. It's surprising how complex yet simple this engine is once you get to know it. :
06 Jeep Liberty 3.7L engine w/ 94K FOR PARTS ONLY - auto parts - by owner - vehicle automotive sale - craigslist
2004 Jeep Liberty Engine Motor 3.7L (VIN K 8th Digit) | eBay
2006 Jeep Liberty 3.7L Rough Idle Fix Summary - YouTube
JEEP LIBERTY 3.7L MOTOR ENGINE REBUILT WARRANTY VIN K 2002-2012 DODGE – Jeep Parts Depot
Chrysler Jeep 3.7/4.7 Engine
ATK Engines DDA8 Replacement 3.7L V6 Engine for 02-03 Jeep Liberty KJ | Quadratec
JEEP LIBERTY 3.7L MOTOR ENGINE REBUILT WARRANTY VIN K 2002-2012 DODGE – Jeep Parts Depot
Jeep Liberty Renegade 3.7 (2005) - picture 12 of 15