Diesel injection system
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Engine unit › Diesel injection system
Tightening torquesDiesel injection system
DIESEL INJECTION SYSTEM
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Pressure pump mounting | Bolt (pretreated to be replaced) | M8 | (cylinder head extension side) 2.3 - 2.8 | 1.9 JTD 16V |
| Pressure pump mounting | Bolt (pretreated to be replaced) | M6/M8 | (engine block side) 2.3 - 2.8 | 1.9 JTD 16V |
| Pressure pump mounting | Bolt (pretreated to be replaced) | M8 | 2.3 ÷ 2.8 | 1.9 JTD 8V |
| Pressure pump | Nut | M8 | (support side) 2.3 - 2.8 | 1.9 JTD 8V 1.9 JTD 16V |
| Pressure pump drive pulley | Nut | M14 | (pressure pump side) 4.5 - 5.5 | 1.9 JTD 8V 1.9 JTD 16V |
| Throttle body | Bolt | M8 | (chamber side) 2.5 | 1.9 JTD 16V 2.4 JTD 20V |
| Injector brackets | Nut | M8 | (cylinder head extension side) 2.3 - 2.8 | 1.9 JTD 16V 2.4 JTD 20V |
| Injector brackets | Nut | M8 | 2.7 ÷ 3.3 | 1.9 JTD 8V |
| Single fuel manifold pipe (rail) | Bolt | M8 | (cylinder head extension side) 2.3 - 2.8 | 1.9 JTD 16V 2.4 JTD 20V |
| Pipe from pressure pump to fuel manifold | Connector | M14 | (fuel manifold side) 2.2 - 2.4 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Pipe from pressure pump to fuel manifold | Connector | M12 | (pressure pump side) 2.2 - 2.4 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Pipes from fuel manifold to injectors | Connector | M14 | (fuel manifold side) 2.2 - 2.4 | 1.9 JTD 16V 2.4 JTD 20V |
| Pipes from fuel manifold to injectors | Connector | M12 | (injector side) 2.4 - 2.6 | 1.9 JTD 16V 2.4 JTD 20V |
| Cam angle sensor | Bolt | M6 | (cylinder head extension side) 0.8 - 1.0 | 1.9 JTD 16V 2.4 JTD 20V |
| Fuel pressure regulator | Bolt | M | (pressure pump side) 0.6 - 0.7 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Fuel pressure regulator on single manifold to injectors | M | (fuel manifold side) 8.0 - 9.0 | 1.9 JTD 16V 2.4 JTD 20V | |
| Engine coolant temperature sensor | M | (thermostat side) | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V | |
| Excess pressure sensor | Bolt | M | 0.9 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Rpm sensor | Bolt | M6 | (engine block side) 0.6 - 1.0 | 1.9 JTD 8V 1.9 JTD 16V 2.4 JTD 20V |
| Rpm sensor | Bolt | 1.0 | 3.2 JTS | |
| Detonation sensor | Bolt | 2.3 | 3.2 JTS | |
| Fuel pressure sensor | M | (fuel manifold side) 6.5 - 7.5 | 1.9 JTD 16V 2.4 JTD 20V | |
| Pressure pump mounting | Bolt | M8 | (engine block side) 2.3 - 2.8 | 1.9 JTD 8V |
| Pressure pump mounting | Bolt | M10 | (cylinder head side) 4.5 - 5.5 | 1.9 JTD 8V |
| Throttle body | Bolt | M8 | (Intake manifold side) 2.5 | 1.9 JTD 8V |
| Set of injectors | Nut | M8 | (cylinder head side) 2.7 - 3.3 | 1.9 JTD 8V |
| Single fuel manifold pipe (rail) | Nut | M8 | (intake manifold side) 2.3 - 2.8 | 1.9 JTD 8V |
| Fuel manifold pipe | Bolt | 1.0 | 3.2 JTS | |
| Pipe from pressure pump to fuel manifold | Connector | M14 | (fuel manifold side) 2.2 - 2.4 | 1.9 JTD 8V |
| Pipe from pressure pump to fuel manifold | Connector | M12 | (pressure pump side) 2.2 - 2.4 | 1.9 JTD 8V |
| Pipes from fuel manifold to injectors | Connector | M14 | (fuel manifold side) 2.2 - 2.4 | 1.9 JTD 8V |
| Pipes from fuel manifold to injectors | Connector | M12 | (injector side) 2.2 - 2.4 | 1.9 JTD 8V |
| Fuel pressure regulator | M | (fuel manifold side) 8.0 - 9.0 | 1.9 JTD 8V | |
| Fuel pressure sensor | M | (fuel manifold side) 6.5 - 7.5 | 1.9 JTD 8V |
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