Front Exhaust Pipe: Installation

WARNING: This page is about a different variant/trim than selected.

Install the front oxygen (A/F) sensor and rear oxygen sensor. Refer to INSTALLATION and INSTALLATION .
Install the front exhaust pipe (RH) to the front exhaust pipe (LH).
NOTE: Use a new gasket.

Tightening torque:

30 N.m (3.1 kgf-m, 22.1 ft-lb)

Fig 1: Locating Front Exhaust Pipe Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the front exhaust pipe assembly.
NOTE: Use a new gasket.
Temporarily tighten the nuts which hold front exhaust pipe assembly to cylinder heads.

Fig 2: Locating Front Exhaust Pipe Assembly To Cylinder Head Mounting Nuts
Courtesy of SUBARU OF AMERICA, INC.
Install the front exhaust pipe assembly to the rear exhaust pipe.
NOTE: Use a new gasket.

Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 3: Locating Rear Exhaust Pipe Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which hold front exhaust pipe assembly to hanger bracket.
Tightening torque:

30 N.m (3.1 kgf-m, 22.1 ft-lb)

Fig 4: Locating Front Exhaust Pipe Assembly To Hanger Bracket Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the nuts which hold the front exhaust pipe assembly to the cylinder heads in the numerical sequence as shown in the figure.
Tightening torque:

30 N.m (3.1 kgf-m, 22.1 ft-lb)

Fig 5: Identifying Tightening Sequence Of Front Exhaust Pipe Assembly To Cylinder Head Mounting Nuts
Courtesy of SUBARU OF AMERICA, INC.
Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).

Fig 6: Identifying Front And Rear Oxygen Sensor Connectors
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. Refer to INSTALLATION .
Lower the vehicle.
Connect the battery ground terminal.