Catalytic Converter: Service and Repair

CAUTION:
- Always replace exhaust gaskets with new ones when reassembling.
If gasket remains on the flange surface, scrape oft completely as shown at left.
- With engine running, check all tube connections for exhaust gas leaks and entire system for unusual noises
- Ensure that mounting brackets and mounting insulators are installed properly and free from undue stress. Improper installation could result in excessive noise or vibration.
- Discard any oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one.




Except California emission




California emission