Emission control system
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Engine unit › Emission control system
Tightening torquesEmission control system
EMISSION CONTROL SYSTEM
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Right rear Lambda sensor to catalytic converter | M18 | (exhaust manifold side with catalytic converter) 4.1 - 5.0 | 1.9 JTS 2.2 JTS 3.2 JTS | |
| Left rear Lambda sensor to catalytic converter | M18 | (exhaust manifold side with catalytic converter) 4.1 - 5.0 | 1.9 JTS 2.2 JTS 3.2 JTS | |
| Upper right Lambda sensor | M18 | (exhaust manifold side with catalytic converter) 4.1 - 5.0 | 1.9 JTS 2.2 JTS 3.2 JTS | |
| Upper left Lambda sensor | M18 | (exhaust manifold side with catalytic converter) 4.1 - 5.0 | 1.9 JTS 2.2 JTS 3.2 JTS | |
| E.G.R. system solenoid valve | Bolt | M8 | (chamber side) 2.3 - 2.8 | 1.9 JTD 16V 2.4 JTD 20V |
| Exhaust gas/water heat exchanger for E.G.R. system | Bolt | M8 | (cylinder head side) 2.3 - 2.8 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Exhaust gas/water heat exchanger for E.G.R. system | Bolt | M8 | (EGR solenoid side) 2.3 - 2.8 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Exhaust gas/water heat exchanger for E.G.R. system | Bolt | M8 | (exhaust manifold side) 2.3 - 2.8 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Exhaust gas temperature sensor on particle filter | M14 | (D.P.F. particle filter side) 4.5 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V | |
| Catalytic converter | Collar nut | M10 | (turbocharger and exhaust manifold side) 2.2 - 2.6 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Thermal coupling signalling catalytic converter overheating | M14 | (catalytic converter side) 4.5 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V | |
| Pressure intake pipe downstream of particle filter | Connector | M8 | (D.P.F. particle filter side) 1.2 - 1.6 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| E.G.R. system solenoid valve | Bolt | M8 | (intake manifold side) 2.3 - 2.8 | 1.9 JTD 8V |
| Exhaust gas/water heat exchanger for E.G.R. system | Bolt | M8 | (exhaust manifold side) 2.3 - 2.8 | 1.9 JTD 8V |
| Water/engine oil heat exchanger support | Bolt | M10 | 4.5 ÷ 5.5 | 1.9 JTD 8V |
| Catalyzer assembly to bodyshell mounting bracket | Bolt | M8 | 2.2 ÷ 2.7 | 3.2 JTS |
| Exhaust gas pipe for E.G.R. | Bolt | M8 | (exhaust manifold side) 2.3 - 2.8 | 2.4 JTD 20V |
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