Jeep Active Drive II includes a two - speed Power Transfer Unit and torque management. (jeepcheap.com)
Two clutch packs in the rear power transfer unit also continuously transfer the torque side - to - side. (automobilemag.com)
Additional maintenance items that will occur at the 60,000 service appointment include rear drive assembly and power transfer unit fluid replacement, and an automatic transmission fluid replacement for commercial or heavily used vehicles. (marinochryslerjeepdodge.net)