WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.
Install in the reverse order of removal.
Tightening torque:
19 N.m (1.9 kgf-m, 14.0 ft-lb)
Fig 1: [Locating Purge Control Solenoid Valve]
NOTE:
Connect the evaporation hose as shown in the figure.