Front Catalytic Converter

REMOVAL




1. Disconnect battery ground cable.




2. Disconnect front oxygen (A/F) sensor connector.
3. Lift-up the vehicle.
4. Remove under cover.




5. Disconnect rear oxygen sensor connector.




6. Separate front and rear catalytic convener assembly from rear exhaust pipe.




7. Remove front exhaust pipe from cylinder heads.




8. Remove front and rear catalytic converter assembly from hanger bracket.

CAUTION:
- Be careful not to pull down center exhaust pipe.
- After removing center exhaust pipe, do not apply excessive pulling force on rear exhaust pipe.

9. Separate front and rear catalytic converter assembly from front exhaust pipe.






NOTE: The rear catalytic converter is integrated with front catalytic converter. Therefore, the procedure for removing rear catalytic converter is the same as the description above.

INSTALLATION

CAUTION: Replace gaskets with new ones.




1. Install front and rear catalytic converter assembly to front exhaust pipe.




2. Install front and rear catalytic converter assembly.
Temporarily tighten bolt which installs center exhaust pipe to hanger bracket.




3. Install front exhaust pipe to cylinder heads.




4. Install front and rear catalytic converter assembly to rear exhaust pipe.




5. Tighten bolt which holds front and rear catalytic converter assembly to hanger bracket.




6. Connect rear oxygen sensor connector.
7. Install under cover.
8. Lower the vehicle.




9. Connect connector to front oxygen (A/F) sensor.




10. Connect battery ground cable.