Front Exhaust Pipe

Front Exhaust Pipe








REMOVAL

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

1. Set the vehicle on a lift.
2. Disconnect the ground cable from battery.





3. Lift up the vehicle.
4. Remove the under cover.
5. Disconnect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).





6. Separate the front exhaust pipe assembly from the rear exhaust pipe.





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

CAUTION: Be careful not to drop the front exhaust pipe assembly.





8. Remove the bolts which hold front exhaust pipe assembly to hanger bracket.





9. Remove the front exhaust pipe assembly from vehicle.

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.

10. Separate the front exhaust pipe (RH.from front exhaust pipe assembly.





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





3. Install the front exhaust pipe assembly to vehicle.
4. Temporarily tighten the nuts which hold front exhaust pipe assembly onto cylinder heads.

NOTE: Use a new gasket.





5. Temporarily tighten the bolts which hold front exhaust pipe assembly to hanger bracket.





6. Tighten the bolts which install front exhaust pipe to rear exhaust pipe.

NOTE: Use a new gasket.

Tightening torque: 18 N-m (1-8 kgf-m, 13.3 ft-lb)





7. Tighten the bolts which hold front exhaust pipe assembly to hanger bracket.
Tightening torque: 35 N-m (3.6 kgf-m, 25.8 ft-lb)





8. Tighten the nuts which hold front exhaust pipe to cylinder heads.
Tightening torque: 30 N-m (3.1 kgf-m, 22.1 ft-lb)





9. Install the under cover.
10. Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).





11. Lower the vehicle.
12. Connect the ground cable to battery.





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