Front Exhaust Pipe

Front Exhaust Pipe
REMOVAL
1. Disconnect ground cable from battery.
2. Disconnect front oxygen (A/F) sensor connector.





^ LH side





^ RH side
3. Disconnect front oxygen sensor connector.





^ LH side





^ RH side
4. Lift-up the vehicle.
5. Remove under cover.





6. Disconnect rear oxygen sensor connector.





7. Separate front exhaust pipe assembly from rear exhaust pipe.

WARNING: Be careful, exhaust pipe is hot.





8. Remove nuts which hold front exhaust pipe onto cylinder heads.

CAUTION: Be careful not to pull down front exhaust pipe assembly.





9. Remove bolt which secures front exhaust pipe assembly to hanger bracket.
10. Remove front exhaust pipe from the vehicle.

CAUTION:
^ Disconnect front oxygen (A/F) sensor, front oxygen sensor and rear oxygen sensor harness from bracket.
^ Be careful not to let front exhaust pipe assembly fall off when removing as it is quite heavy.
^ After removing front exhaust assembly, do not apply excessive pulling force on rear exhaust pipe.





11. Separate front exhaust pipe (RH) from front exhaust pipe assembly.
12. Disconnect front oxygen (A/F) sensor, front oxygen sensor and rear oxygen sensor.

INSTALLATION
1. Install front oxygen (A/F) sensor, front oxygen sensor and rear oxygen sensor.





2. Install front exhaust pipe (RH) to front exhaust pipe assembly.

NOTE: Replace gaskets with new ones.

3. Install front exhaust pipe assembly to the vehicle.





4. Temporarily tighten bolt which installs front exhaust pipe assembly to hanger bracket.





5. Tighten nuts which hold front exhaust pipe onto cylinder heads.





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





7. Tighten bolt which holds front exhaust pipe assembly to hanger bracket.





8. Install front oxygen (A/F) sensor harness to bracket.
9. Install front oxygen sensor harness to bracket.





^ LH side





^ RH side





10. Connect rear oxygen sensor connector.
11. Install under cover.
12. Lower the vehicle.
13. Disconnect front oxygen (A/F) sensor connector.





^ LH side





^ RH side
14. Connect front oxygen sensor connector.





^ LH side





^ RH side
15. Install battery.

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