Front Exhaust Pipe

COMPONENT

^ Models other than C6 model





^ C6 model








Front Exhaust Pipe

REMOVAL

CAUTION:

Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.

1) Remove the air intake duct.
2) Disconnect the ground cable from battery.





3) Disconnect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B) and remove the clip (C) fastening the harness.





4) Lift up the vehicle.
5) Remove the under cover.
6) Remove the rear exhaust pipe from center exhaust pipe.
^ Models other than C6 model





^ C6 model





7) Remove the nuts which hold front exhaust pipe onto cylinder heads.

CAUTION:

Be careful not to drop the front exhaust pipe and center exhaust pipe assembly.





8) Remove the bolt which holds center exhaust pipe to hanger bracket.





9) Remove the front exhaust pipe and center exhaust pipe from vehicle as a unit.

CAUTION:

^ The front exhaust pipe and center exhaust pipe assembly are very heavy. Be careful not to drop the exhaust pipes when removing.
^ After removing the front exhaust pipe and center exhaust pipe assembly, do not pull the rear exhaust pipe with excessive force.

10) Remove the center exhaust pipe from the front exhaust pipe.





11) Remove the front oxygen (A/F) sensor and rear oxygen sensor from front exhaust pipe.

INSTALLATION

1) Install the front oxygen (A/F) sensor and rear oxygen sensor to the front exhaust pipe.
2) Install the center exhaust pipe to front exhaust pipe.

NOTE:

Use a new gasket.

Tightening torque:
40 Nm (4.1 kgf-m, 29.5 ft-lb)





3) Install the front exhaust pipe and center exhaust pipe as a unit to the vehicle.

NOTE:

Use a new gasket.

4) Temporarily tighten the nuts which hold front exhaust pipe to cylinder heads.





5) Install the rear exhaust pipe to center exhaust pipe.

NOTE:

Use a new gasket.

Tightening torque:
18 Nm (1.8 kgf-m, 13.3 ft-lb)

^ Models other than C6 model





^ C6 model





6) Tighten the bolts which secure the center exhaust pipe to the hanger bracket.

Tightening torque:
35 Nm (3.6 kgf-m, 25.8 ft-lb)





7) Tighten the nuts which hold front exhaust pipe to cylinder heads.

Tightening torque:
30 Nm (3.1 kgf-m, 22.1 ft-lb)





8) Install the under cover.
9) Lower the vehicle.
10) Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B), and fasten the harness with the clip (C).





11) Connect the battery ground terminal.





12) Install the air intake duct.

INSPECTION

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