Front Exhaust Pipe
FRONT EXHAUST PIPEREAR EXHAUST PIPE AND MUFFLER
Front Exhaust Pipe
REMOVAL
CAUTION:
Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
1) Disconnect the ground cable from battery.
2) Lift up the vehicle.
3) Remove the under cover.
4) Disconnect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).
5) Remove the rear exhaust pipe from the front exhaust pipe assembly.
6) Remove the nuts which hold front exhaust pipe assembly onto cylinder heads.
CAUTION:
Be careful not to drop the front exhaust pipe assembly.
7) Remove the bolt which holds front exhaust pipe assembly to hanger bracket.
8) Remove the front exhaust pipe assembly.
CAUTION:
^ Be careful not to let the front exhaust pipe assembly fall off when removing, since it is very heavy.
^ After removing the front exhaust pipe assembly, do not apply excessive pulling force on the rear exhaust pipe.
9) Separate the front exhaust pipe (RH) from the front exhaust pipe (LH).
10) Remove the front oxygen (A/F) sensor and rear oxygen sensor.
INSTALLATION
1) Install the front oxygen (A/F) sensor and rear oxygen sensor.
2) Install the front exhaust pipe (RH) to the front exhaust pipe (LH).
NOTE:
Use a new gasket.
Tightening torque:
30 Nm (3.1 kgf-m, 22.1 ft-lb)
3) Install the front exhaust pipe assembly.
NOTE:
Use a new gasket.
4) Temporarily tighten the nuts which hold front exhaust pipe assembly to cylinder heads.
5) Install the front exhaust pipe assembly to the rear exhaust pipe.
NOTE:
Use a new gasket.
Tightening torque:
18 Nm (1.8 kgf-m, 13.3 ft-lb)
6) Tighten the bolts which hold front exhaust pipe assembly to hanger bracket.
Tightening torque:
30 Nm (3.1 kgf-m, 22.1 ft-lb)
7) 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 Nm (3.1 kgf-m, 22.1 ft-lb)
8) Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).
9) Install the under cover.
10) Lower the vehicle.
11) Connect the battery ground terminal.
INSPECTION
1) Check the connections and welds for exhaust leaks.
2) Make sure there are no holes or rusting.