Catalytic converter excess temperature thermocouple - r + r
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Emission control system › Catalytic converter excess temperature thermocouple - r + r
CATALYTIC CONVERTER EXCESS TEMPERATURE THERMOCOUPLE - R + R
Removing
- Position the vehicle on a lift.
- Make sure that the ignition key is in the OFF position, then disconnect the battery terminal (-).
| Description | Connector | |
|---|---|---|
| Battery | See A001 BATTERY |
1. Disconnect the electrical connection of the catalytic converter excessive temperature signal thermocouple.
| Description | Connector | |
|---|---|---|
| 1 | Upstream particulate filter temperature sensor (DPF) | See K189 UPSTREAM PARTICULATE FILTER TEMPERATURE SENSOR (DPF) |
Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.
2. Unscrew and remove the catalytic converter excessive temperature signal thermocouple.
Refitting
- Position the catalytic converter excessive temperature signal thermocouple in its housing and tighten it to the recommended torque.
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Thermal coupling signalling catalytic converter overheating | M14 | (catalytic converter side) 4.5 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.
- Connect the electrical connection of the catalytic converter excessive temperature signal thermocouple.
- Connect the negative battery terminal.
- Remove the vehicle from the lift.
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