Catalytic Converter: Service and Repair

Front Exhaust Pipe with Catalytic Converter

Removing

- Remove the engine cover/upper air filter housing. Refer to => [ Engine Cover/Upper Air Filter Housing ] Engine Cover/Upper Air Filter Housing.

- Disconnect heated oxygen sensor (G39) harness connector - arrow - and free up the wire.






- Remove the front exhaust pipe with catalytic converter to turbocharger nuts - arrows -.






- Remove the right underbody trim retainers - arrows - and trim.






- Disconnect the connector for the oxygen sensor after three way catalytic converter (G130) - arrow - and free up the wire.






• The flex joint in the front exhaust pipe with catalytic converter must not be bent more than 10 °, otherwise they may be damaged.

- Disconnect the exhaust system at the clamping sleeve - arrows -.






- Remove the front cross member to underbody nuts - arrows - and cross member.






- Remove the exhaust system suspended mount bolts - arrows -.






- Remove the front exhaust pipe with catalytic converter.

Installing

Install in reverse order of removal. Note the following:

• Lubricate the turbocharger studs with hot bolt paste.

• Replace gaskets and self-locking nuts.

• Install the exhaust system free of stress. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

Tightening Specifications