Intake Side

Apply liquid gasket to the two bolts securing oil return cover.
Liquid gasket:

THREE BOND 1324 (Part No. 004403042) or equivalent

Install the oil return cover.

NOTE: Use a new gasket.

Tightening torque:

9 N.m (0.9 kgf-m, 6.6 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

Install the oil flow control solenoid valve.

Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

Install the intake manifold. Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>INTAKE MANIFOLD>INSTALLATION .
Connect the battery ground terminal.