CATALYTIC CONVERTER - R.R.

Operation 1080B62 · EXHAUST EMISSION CONTROL SYSTEM

2.4 20V

Removing

- Position the vehicle on a lift.

- Disconnect the negative battery lead.

See in Op. 7040D50 ENGINE COMPARTMENT UPPER SOUND INSULATION SHIELD - R.R.

See in Op. 1048A28 vacuum air circuit resonator pipe - r+r

See in Op. 1048A21 AIR INLET HOSE FROM INTAKE TO FILTER - R.R.

See in Op. 1048A23 Cold AIR INTAKE for air filter - R.R.

See in Op. 1016A40 Ignition COIL COVER on cylinder head - R.R.

- Raise the vehicle.

See in Op. 7055B54 PROTECTION/GUARD under engine - R.R.

See in Op. 1072C44 Exhaust manifold heat shield on BULKHEAD - R.R.

1. Disconnect the electrical connection for the front Lambda sensor.

2. Disconnect the electrical connection for the rear Lambda sensor.

1. Undo the nuts (1a) fixing the catalytic converter to the exhaust manifold (1b).

- Raise the vehicle on the lift.

1. Undo the nuts fixing the catalytic converter to the centre section of the exhaust pipe.

2. Remove the catalytic converter mounting bracket.

3. Remove the catalytic converter complete with Lambda sensors.

Refitting

- Position the catalytic converter.

- Position the gasekt and tighten the nuts fixing the catalytic converter to the centre section of the exhaust pipe.

- Fit the catalytic converter mounting bracket.

- Lower the vehicle on the lift.

- Tighten the nuts fixing the catalytic converter to the exhaust manifold.

- Connect the electrical connection for the rear Lambda sensor.

- Connect the electrical connection for the front Lambda sensor.

See in Op. 1072C44 Exhaust manifold heat shield on BULKHEAD - R.R.

See in Op. 1016A40 Ignition COIL COVER on cylinder head - R.R.

See in Op. 1048A23 Cold AIR INTAKE for air filter - R.R.

See in Op. 1048A21 AIR INLET HOSE FROM INTAKE TO FILTER - R.R.

See in Op. 1048A28 vacuum air circuit resonator pipe - r+r

- Raise the vehicle on the lift.

See in Op. 7055A54 NO. PLATE HOLDER - R.R.

See in Op. 7040D50 ENGINE COMPARTMENT UPPER SOUND INSULATION SHIELD - R.R.

- Connect the negative battery lead.

- Remove the vehicle from the lift.

3.0 V6, 3.2 V6

Removing

- Position the vehicle on a lift.

- Open the boot, remove the cover on the left hand side and disconnect the negative battery lead.

1. Remove the container located behind the air chamber and disconnect the two connectors (1a) for the rear Lambda sensors, the connector (1b) for the timing side detonation sensor and the coupling (1c) between the engine system cable and the vehicle wiring.

- Secure the connections for the Lambda sensor using string to facilitate refitting later on.

- Raise the vehicle on the lift.

1. Undo the nuts fixing the pipes between the catalytic preconverters and the exhaust pipes.

2. Release the front rubber support seals.

1. Remove the wiring for the Lambda sensors for the two catalytic converters from the engine compartment and release them from the fastenings on the heat shields.

1. Undo the nut (1a) for the converter rear mounting bracket (1b).

- Remove the catalytic converter complete with Lambda sensors.

Refitting

- Position the converter securing the front rubber support seals after having secured the wiring for the Lambda sensors to the string and having fastened them to the special retainers on the heat shield.

- Tighten the rear converter fastening.

- Lower the vehicle and save the Lambda sensor wiring.

- Connect the connections and close the connector box cover.

- Connect the negative battery terminal and position the cover on the left hand side of the luggage compartment.

- Remove the vehicle from the lift.

2.0 TB

Removing

- Position the vehicle on a lift.

1. Undo the fixing bolts and remove the protective brackets fastened to the underbody.

2. Undo the bolt (2a) fixing the metal collar (2b) connected to the rear silencers.

3. Undo the bolts fixing the catalytic converter to the centre section of the exhaust pipe and keep the gasket.

4. Release and remove the catalytic converter.

Refitting

- Join the rear silencers to the exhaust pipe using the metal band.

- Tighten the bolt fixing the metal collar.

- Position the gasket.

- Tighten the bolts fixing the catalytic converter to the centre section of the exhaust pipe.

- Position the brackets and tighten the fixing bolts.

- Remove the vehicle from the lift.

2.4 JTD 10V

Removing

- Position the vehicle on the lift.

See in Op. 7055B54 PROTECTION/GUARD under engine - R.R.

1. Undo the nuts fixing the catalytic converter flange to the front section of the exhaust pipe.

2. Tighten the nut (2a) fixing the rear collar and remove the catalytic converter (2b).

Refitting

- Position the catalyzer securing it to the rear section of the pipe.

- Tighten the nut fixing the rear collar.

- Tighten the nuts fixing the catalyzer flange to the front section to torque.

See in Op. 7055B54 PROTECTION/GUARD under engine - R.R.

- Remove the vehicle from the lift.

2.4 JTD 20V

Removing

- Position the vehicle on the lift.

See in Op. 7055B54 PROTECTION/GUARD under engine - R.R.

1. Undo the fixing bolts (1a) and remove the reinforcement brackets (1b).

2. Undo the bolts fixing the catalyzer flange to the front section of the exhaust pipe.

3. Tighten the nut (3a) fixing the rear collar and remove the catalytic converter (3b).

Refitting

- Position the catalyzer securing it to the rear section of the pipe.

- Tighten the nut fixing the rear collar.

- Tighten the bolts fixing the catalyzer flange to the front section to torque.

- Position the reinforcement brackets and tighten the fixing bolts.

See in Op. 7055B54 PROTECTION/GUARD under engine - R.R.

- Remove the vehicle from the lift.