Subaru Legacy BN/BS (2015-2019) Service Manual: Installation

Subaru Legacy BN/BS (2015-2019) Service Manual / Exhaust(h6do) / Front exhaust pipe / Installation

1. Install the front exhaust pipe assembly.

NOTE:

Use a new gasket.

2. Temporarily tighten the nuts which hold front exhaust pipe assembly to cylinder heads.

3. Install the bolts, springs and nuts securing the rear exhaust pipe to the front exhaust pipe assembly.

NOTE:

Use a new gasket.

Tightening torque:

18 N·m (1.8 kgf-m, 13.3 ft-lb)

4. 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)

5. 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)

6. Connect the front oxygen (A/F) sensor connector (A) and fasten the harness using clips (B).

7. Connect the rear oxygen sensor connector (C), and fasten the harness using the bracket (D) and (E).

8. Install the under cover. Front Under Cover > INSTALLATION

9. Lower the vehicle.

10. Connect the ground terminal to battery sensor. NOTE

Assembly

1. Install each cover to the front exhaust pipe.Tightening torque:13 N·m (1.3 kgf-m, 9.6 ft-lb)2. Install the front oxygen (A/F) sensor and rear oxygen sensor. Front Oxygen (A/F) Sensor > INST ...

Inspection

1. Check the connections and welded parts for exhaust leaks.2. Make sure there are no holes or rusting. ...

Other materials:

Removal
1. Remove the collector cover.(1) Carefully pull up the rear of collector cover at two positions (A).(2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.2. Disconnect the ground terminal from battery sensor. NOTE3. Loosen the clamp (A) which connects the ...