WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Removing/Installing Transmission Fluid Cooler And Cooler Line With Torque Specification (Canada)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 2: Removing/Installing Transmission Fluid Cooler And Cooler Line With Torque Specification (Except Canada)