Cylinder head/s
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Engine unit › Cylinder head/s
Tightening torquesCylinder head/s
CYLINDER HEAD/S
| Component | Fastening | dia | Value (daNm) | Validity |
|---|---|---|---|---|
| Cylinder head | Bolt | M11 | (engine block side) 2.7 - 3.3 + 100° + 65° | 1.9 JTS 2.2 JTS |
| Tappet cover | Bolt | M6 | (cylinder head side) 0.7 - 0.9 | 1.9 JTS 2.2 JTS |
| Cylinder head | Bolt | M12 | (engine block side) 6.2 - 6.8 + 90° + 90° + 90° | 1.9 JTD 16V |
| Camshaft housing | Bolt | M8 | (cylinder head side) 2.3 - 2.8 | 1.9 JTD 16V 2.4 JTD 20V |
| Cylinder head | Bolt | M12 | (engine crankcase side) 2 + 4.5 + 90° + 90° + 90° | 1.9 JTD 8V 2.4 JTD 20V |
| Cylinder head | Bolt (to be replaced) | 2.5 + 90° + 90° + 90° + 45° | 1.8 | |
| Right cylinder head | Bolt | M11 | 4.5 + 120° | 3.2 JTS |
| Left cylinder head | Bolt | M11 | 4.5 + 120° | 3.2 JTS |
| Left cylinder head | Bolt | M8 | 1.5 + 60° | 3.2 JTS |
| Tappet cover | Bolt | M6 | (cylinder head side) 0.8 - 1.0 | 1.9 JTD 8V |
| Tappet cover | Bolt | 1.0 | 3.2 JTS | |
| Tappet cover | Bolt | M6 | 0.6 ÷ 1.0 | 1.8 |
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