Catalytic converter assembly r r

Operation 1080B65 · Exhaust emission control system

3.2 V6

Removing

Position the vehicle on the ramp.

Ensure that the ignition key is in OFF position, then disconnect the battery negative terminal (-).

Proceed with removal - 7055B54 under-engine guard - r r.

Proceed with removal - 1080B96 left rear lambda sensor on catalytic converter r r.

Proceed with removal - 1080B97 right rear lambda sensor on catalytic converter r r.

1. Undo the bolt (1a) and remove the bracket (1b) joining the exhaust pipes between the preconverters and the catalytic converters.

1. Undo the nuts fixing the exhaust pipes between the preconverters and the catalytic converters, catalytic converter assembly side.

2. Undo the bolts fixing the catalytic converter assembly, intermediate silencer side.

3. Remove the catalytic converter assembly (3a), complete with gaskets, after having released it from the flexible mountings (3b).

Refitting

1. Place the catalytic converter assembly (1a) in its housing complete with gaskets and secure it to the flexible mountings (1b).

2. Tighten the bolts fixing the catalytic converter assembly, intermediate silencer side, to the recommended torque.

3. Tighten the nuts fixing the exhaust pipes between the catalytic preconverters and converters, catalytic converter assembly side, to the recommended torque.

Place the bracket joining the exhaust pipes between the catalytic preconverters and converters back in their housing and tighten the bolt.

Proceed with refitting - 1080B97 right rear lambda sensor on catalytic converter r r.

Proceed with refitting - 1080B96 left rear lambda sensor on catalytic converter r r.

Proceed with refitting - 7055B54 under-engine guard - r r.

Connect the negative (-) battery terminal.

Remove the car from the ramps.