WARNING: This page is about a different car, the 2008 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
Using new self-locking nuts, install the rear differential front member.
Tightening torque:
T1:50 N.m (5.1 kgf-m, 36.9 ft-lb)
T2: 110 N.m (11.2 kgf-m, 81.1 ft-lb)
Fig 1: Identifying Rear Differential Front Member Nuts