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Alfa Romeo GT Factory Service Manual (2003-2010)08 · Engine
08 · Engine

Catalytic converter assembly r r

Make
Alfa Romeo
Model
GT Factory Service Manual
Year
2003–2010
Section
Exhaust 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 V6

Removing

Position the vehicle on the ramp

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

NameConnector
BatterySee A1B BATTERY ( BATTERY NEGATIVE )

Proceed with removal

Op. 7055B54 UNDER-ENGINE GUARD - R R

Proceed with removal

Proceed with removal

Op. 1080B96 LEFT 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.

Op. 1080B97 RIGHT REAR LAMBDA SENSOR ON CATALYTIC CONVERTER R R

CATALYTIC CONVERTER ASSEMBLY R R

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).

CATALYTIC CONVERTER ASSEMBLY R R

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 securing the catalytic converter unit, intermediate silencer side, to the specified torque.

FasteningComponentØ

Value

(daNm)

2BoltCATALYTIC/ CONVERTER/SM8(Intermediate silencer side) 2.3 ÷ 2.8

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

FasteningComponentØ

Value

(daNm)

3NutLEFT PRECONVERTER.CONVERTER PIPE/M8(Catalytic converter side) 2.3 ÷ 2.8
CATALYTIC CONVERTER ASSEMBLY R R

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

Proceed with refitting

Op. 1080B97 RIGHT REAR LAMBDA SENSOR ON CATALYTIC CONVERTER R R.

Proceed with refitting

Op. 1080B96 LEFT REAR LAMBDA SENSOR ON CATALYTIC CONVERTER R R.

Proceed with refitting

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Connect the negative (-) battery terminal

Remove the car from the ramps.

Parts & tools for this job Staging For 2003 Alfa Romeo GT

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