Left upper lambda sensor r r
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Exhaust emission control system › Left upper lambda sensor r r
Left upper lambda sensor r r
Removing
Position the vehicle on the ramp.
Ensure that the ignition key is in the OFF postition, then disconnect the battery negative terminal.
| Name | Connector | |
|---|---|---|
| Battery | A1B |
Proceed with the removal - 1072C44 exhaust manifold heat shield on bulkhead - r+r.
1. Disconnect the electrical connection for the left Lambda sensor.
| Name | Connector | |
|---|---|---|
| 1 | Lambda sensor on pre-catalyzer | K15 |
1. Release the electrical wiring for the left Lambda sensor from the fastening.
2. Undo and remove the left Lambda sensor.
Refitting
Place the left Lambda sensor back in its housing and tighten it to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| LEFT LAMBDA SENSOR | M18 | (Exhaust manifold side) 4.1 ÷ 5.0 |
Secure the electrical wiring for the left Lambda sensor to the fastening.
Connect the electrical connection for the left Lambda sensor.
Proceed with the refitting - 1072C44 exhaust manifold heat shield on bulkhead - r+r.
Connect the battery terminal (-).
Remove the car from the ramp.
Removing
Position the vehicle on the ramp.
Ensure that the ignition key is in the OFF postition, then disconnect the battery negative terminal.
| Name | Connector | |
|---|---|---|
| Battery | A1B |
Proceed with the removal - 7055B54 under-engine guard - r r.
Proceed with the removal - 1072C44 exhaust manifold heat shield on bulkhead - r+r.
1. Disconnect the electrical connection for the left Lambda sensor.
| Name | Connector | |
|---|---|---|
| 1 | Lambda sensor on pre-catalyzer | K15 |
1. Release the electrical wiring for the left Lambda sensor from the fastening.
2. Undo and remove the left Lambda sensor.
Refitting
Place the left Lambda sensor back in its housing and tighten it to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| LEFT LAMBDA SENSOR | M18 | (Exhaust manifold side) 4.1 ÷ 5.0 |
Secure the electrical wiring for the left Lambda sensor to the fastening.
Connect the electrical connection for the left Lambda sensor.
Proceed with the refitting - 1072C44 exhaust manifold heat shield on bulkhead - r+r.
Proceed with the refitting - 7055B54 under-engine guard - r r.
Connect the battery terminal (-).
Remove the car from the ramp.
Removing
Position the vehicle on the ramp.
Ensure that the ignition key is in OFF position, then disconnect the battery negative terminal (-).
| Name | Connector | |
|---|---|---|
| Battery | A1B |
Proceed with removal - 7055B54 under-engine guard - r r.
1. Disconnect the electrical connection for the upper left Lambda sensor.
| Name | Connector | |
|---|---|---|
| 1 | Lambda sensor on pre-catalyzer | K15 |
2. Undo and remove the left upper Lambda sensor.
Refitting
Place the left upper Lambda sensor back in its housing and tighten it to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| LEFT LAMBDA SENSOR | M18 | (Left catalytic preconverter side) 4.1 ÷ 5.0 |
Connect the electrical connection for the left upper Lambda sensor.
Proceed with refitting - 7055B54 under-engine guard - r r.
Connect the negative (-) battery terminal.
Remove the car from the ramps.
Parts & tools for this job For 2000 Alfa Romeo 147
- PARTOxygen sensorSearch: Alfa Romeo 147 2000 oxygen sensor
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