Operation CHARM: Car repair manuals for everyone.
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Main Catalytic Converter

REMOVAL PROCEDURE
1. Disconnect the negative battery cable.





2. Disconnect the post-converter heated oxygen sensor electrical connection.
3. Raise and suitably support the vehicle.
4. Remove the front wheel well splash shield.





5. Remove the auxiliary catalytic converter lower flange nuts.





6. Remove the post-converter heated oxygen sensor.





7. Remove the nuts that secure the front muffler pipe to the main catalytic converter.





8. Remove the rubber hangers that attach the connecting pipe to the vehicle.





9. Remove the connecting pipe mounting bracket nuts and the bracket.
10. Remove the main catalytic converter and connecting pipe.

INSTALLATION PROCEDURE





1. Insert the main catalytic converter bolts into the front muffler flange and install the rubber hangers that attach the connecting pipe to the vehicle.





2. Install the nuts to secure the front muffler pipe to the main catalytic converter.
Tighten
Tighten the front muffler pipe-to-main catalytic converter nuts to 30 Nm (22 ft. lbs.).





3. Install the post-converter heated oxygen sensor.
Tighten
Tighten the post-converter heated oxygen sensor to 41 Nm (30 ft. lbs.).





4. Install the auxiliary catalytic converter lower flange bolts.
Tighten
Tighten the auxiliary catalytic converter-to-connecting pipe nuts to 40 Nm (30 ft. lbs.).





5. Install the connecting pipe mounting bracket and the nuts.
Tighten
Tighten the connecting pipe mounting bracket nuts to 30 Nm (22 ft. lbs.).
6. Install the front wheel well splash shield.
7. Lower the vehicle.





8. Connect the post-converter heated oxygen sensor electrical connector.
9. Connect the negative battery cable.