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.
EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.
Removing
- Position the vehicle on a lift.
- Disconnect the negative battery terminal.
| Description | Connector | |
|---|---|---|
| Battery | See 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).
1. Undo the upper and lower fixing nuts (1a) and remove the exhaust manifold (1b) from its housing.
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.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Exhaust manifold (on cylinder head) | Nut | M8 | 1.0 + 60° | 1.2 8v 1.4 16V |
1. Tighten the bolt (1a) fixing the pipe retaining collar to the bracket on the gearbox (1b) to the recommended torque.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Exhaust pipe front mounting bracket | Bolt | M8 | 2.5 | 1.2 8v 1.4 16V |
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.
| Description | Connector | |
|---|---|---|
| Battery | See A001 BATTERY |
Removing
- Position the vehicle on a lift.
- Disconnect the negative battery terminal.
| Description | Connector | |
|---|---|---|
| Battery | See 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.
1. Disconnect the electrical connection for the upper Lambda sensor.
| Description | Connector | |
|---|---|---|
| 1 | Lambda sensor on catalytic converter | See K017 LAMBDA SENSOR ON CATALYZER |
2. Disconnect the electrical connection for the lower Lambda sensor.
| Description | Connector | |
|---|---|---|
| 2 | Lambda sensor on catalytic converter | See K018 LAMBDA SENSOR ON CATALYZER - 2 |
1. Undo nuts (1a) and remove exhaust manifold assembly (1b).
- Remove the exhaust manifold gasket.
- 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.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Lambda sensor | M18x1.5 | 4.5 | all versions |
- Place the exhaust manifold, complete with new gasket, back in its housing and secure it by tightening the nuts to the recommended torque.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Exhaust manifold (on cylinder head) | Nut | M8 | 1.0 + 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.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Flange securing catalytic converter to flexible section | Nut | M8 | 2.5 | 1.4 16V |
- Connect the exhaust pipe collar and secure it by tightening the bolt to the recommended torque.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Exhaust pipe front mounting bracket | Bolt / Nut | M10x1.25 | 5.0 | all versions |
- Connect the electrical connection for the lower Lambda sensor.
| Description | Connector | |
|---|---|---|
| Lambda sensor on catalytic converter | See K018 |
2. Connect the electrical connection for the upper Lambda sensor.
| Description | Connector | |
|---|---|---|
| Lambda sensor on catalytic converter | See 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.
| Description | Connector | |
|---|---|---|
| Battery | See A001 BATTERY |
- Remove the vehicle from the lift.
Parts & tools for this job For 2007 Fiat 500
- PARTExhaust gasketSearch: Fiat 500 2007 exhaust gasket
- TOOLPenetrating oilSearch: penetrating oil
- TOOLOBD2 scannerSearch: OBD2 scanner
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