Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Catalytic Converter: Service and Repair

REMOVAL
1. Raise the vehicle.
2. Disconnect the downstream heated oxygen sensor electrical connector.
3. Use the oxygen sensor wrench to remove the downstream Heated Oxygen Sensor (HO2S).
4. Remove the muffler and tailpipe.





5. Remove the three nuts.





6. Remove the Three-way Catalytic converter (TWC) and the exhaust outlet pipe frame brackets.

NOTE: The exhaust hanger bracket insulators can be reused if they show no signs of damage.

INSTALLATION
1. Install the exhaust converter inlet pipe gasket, the three way catalytic converter and the exhaust outlet pipe frame brackets.





2. Install the three nuts.
3. Install the muffler and tailpipe.
4. Lower the vehicle.