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Alfa Romeo 159 Factory Service Manual (2005-2011)08 · Engine
08 · Engine

Catalytic converter assembly - r.r.

Make
Alfa Romeo
Model
159 Factory Service Manual
Year
2005–2011
Section
Emission control system › Catalytic converter assembly - r.r.
EngineCatalytic converter assembly - r.r.

CATALYTIC CONVERTER ASSEMBLY - R.R.

Operation 1080B65 · EXHAUST EMISSION CONTROL SYSTEM

3.2 JTS

Removing

- Position the vehicle on a lift.

- Undo the fastenings and remove the protection for the rear Lambda sensor connections.

1. Disconnect the electrical connections (1a) and (1b) for the rear Lambda sensors.

DescriptionConnector
1aLambda sensor on catalyzerSee K017 LAMBDA SENSOR ON CATALYZER
DescriptionConnector
1bLambda sensor on catalyzer 2See K018 LAMBDA SENSOR ON CATALYZER - 2
CATALYTIC CONVERTER ASSEMBLY - R.R.

1. Loosen the collar (1a) securing the front silencer (1b) to the catalyzer assembly.

CATALYTIC CONVERTER ASSEMBLY - R.R.

1. Undo the nuts securing the left exhaust pipe to the catalytic converter.

2. Undo the nuts securing the right exhaust pipe to the catalytic converter.

CATALYTIC CONVERTER ASSEMBLY - R.R.

- Remove the catalytic converter assembly from the front silencer.

- If necessary, undo the rear Lambda sensors and remove them.

Refitting

- Place the rear Lambda sensors in their housings and tighten them to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Right rear Lambda sensorM184.1 ÷ 5.0
ComponentFasteningdiaValue (daNm)Validity
Left rear Lambda sensorM184.1 ÷ 5.0

- Place the catalytic converter assembly in its housing and connect it to the front silencer.

- Tighten the nuts securing the right exhaust pipe to the catalytic converter.

- Tighten the nuts securing the left exhaust pipe to the catalytic converter.

- Tighten the collar securing the front silencer to the catalyzer assembly.

- Connect the electrical connections for the rear Lambda sensors.

- Place the protection for the rear Lambda sensor connections in its housing and tighten the fastenings.

- Remove the vehicle from the lift.

Parts & tools for this job Staging For 2005 Alfa Romeo 159

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