Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat 500 Factory Service Manual (2007-2024)08 · Engine
08 · Engine

Exhaust manifold with catalytic converter - r.r.

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Inlet and exhaust manifolds › Exhaust manifold with catalytic converter - r.r.
EngineExhaust manifold with catalytic converter - r.r.

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

Operation 1072C16 · EXHAUST MANIFOLDS

1.2 8v

Removing

- Position the vehicle on a lift.

- Disconnect the negative battery terminal.

DescriptionConnector
BatterySee A001 BATTERY

Op. 1048A23 COLD AIR INTAKE FOR AIR FILTER - R.R

Op. 1048A10 AIR FILTER ASSEMBLY - R.R.

Op. 1076B20 REAR EXHAUST SILENCER - R + R

Op. 1076B40 CENTRE EXHAUST PIPE - R.R.

Op. 1080B94 FRONT LAMBDA SENSOR TO WITH CATALYTIC CONVERTER - R.R

Op. 1080B95 REAR LAMBDA SENSOR TO CATALYTIC CONVERTER - R.R

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD - R+R

1. Undo the bolt (1a) fixing the pipe retaining collar to the bracket on the gearbox (1b).

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

1. Undo the upper and lower fixing nuts (1a) and remove the exhaust manifold (1b) from its housing.

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

Refitting

- Replace the exhaust manifold metal gasket.

1. Place the exhaust manifold (1a) in position and tighten the fixing nuts (1b) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Exhaust manifold (on cylinder head)NutM81.0 + 60°

1.2 8v

1.4 16V

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

1. Tighten the bolt (1a) fixing the pipe retaining collar to the bracket on the gearbox (1b) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Exhaust pipe front mounting bracketBoltM82.5

1.2 8v

1.4 16V

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD - R+R

Op. 1080B95 REAR LAMBDA SENSOR TO CATALYTIC CONVERTER - R.R

Op. 1080B94 FRONT LAMBDA SENSOR TO WITH CATALYTIC CONVERTER - R.R

Op. 1076B40 CENTRE EXHAUST PIPE - R.R.

Op. 1076B20 REAR EXHAUST SILENCER - R + R

Op. 1048A10 AIR FILTER ASSEMBLY - R.R.

Op. 1048A23 COLD AIR INTAKE FOR AIR FILTER - R.R

- Connect the negative battery terminal.

DescriptionConnector
BatterySee A001 BATTERY

1.4 16v

Removing

- Position the vehicle on a lift.

- Disconnect the negative battery terminal.

DescriptionConnector
BatterySee A001 BATTERY

Op. 1048A23 COLD AIR INTAKE FOR AIR FILTER - R.R

Op. 1048A32 HOSE FROM AIR FILTER TO INTAKE MANIFOLD - R + R

Op. 1048A10 AIR FILTER ASSEMBLY - R.R.

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD - R+R

1. Undo nuts (1a) and bolt (1b) and disconnect exhaust pipe (1c) from catalytic converter (1d); keep the gasket.

- Disconnect the exhaust pipe from the flexible mountings, move it aside and secure it appropriately.

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

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

DescriptionConnector
1Lambda sensor on catalytic converterSee K017 LAMBDA SENSOR ON CATALYZER

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

DescriptionConnector
2Lambda sensor on catalytic converterSee K018 LAMBDA SENSOR ON CATALYZER - 2
EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

1. Undo nuts (1a) and remove exhaust manifold assembly (1b).

- Remove the exhaust manifold gasket.

EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

- If necessary, remove the upper and lower Lambda sensors from the catalytic converter.

Refitting

- Place the upper and lower Lambda sensors back in their housings and secure them to the catalytic converter, tightening them to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Lambda sensorM18x1.54.5all versions

- Place the exhaust manifold, complete with new gasket, back in its housing and secure it by tightening the nuts to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Exhaust manifold (on cylinder head)NutM81.0 + 60°

1.2 8v

1.4 16V

- Release the exhaust pipe from the temporary fastening and connect it to the mounting bracket using the flexible mountings.

- Place the exhaust pipe and catalytic converter gasket in its housing.

- Connect the exhaust pipe to the catalytic converter and secure by tightening the nuts to the specified torque.

ComponentFasteningdiaValue (daNm)Validity
Flange securing catalytic converter to flexible sectionNutM82.51.4 16V

- Connect the exhaust pipe collar and secure it by tightening the bolt to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Exhaust pipe front mounting bracketBolt / NutM10x1.255.0all versions

- Connect the electrical connection for the lower Lambda sensor.

DescriptionConnector
Lambda sensor on catalytic converterSee K018

2. Connect the electrical connection for the upper Lambda sensor.

DescriptionConnector
Lambda sensor on catalytic converterSee K017 LAMBDA SENSOR ON CATALYZER

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD - R+R

Op. 1048A10 AIR FILTER ASSEMBLY - R.R.

Op. 1048A32 HOSE FROM AIR FILTER TO INTAKE MANIFOLD - R + R

Op. 1048A23 COLD AIR INTAKE FOR AIR FILTER - R.R

- Connect the negative battery terminal.

DescriptionConnector
BatterySee A001 BATTERY

- Remove the vehicle from the lift.

Parts & tools for this job For 2007 Fiat 500

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.