Cylinder head/s – cylinder head
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Engine unit › Cylinder head/s – cylinder head
Manufacturing data and tolerancesCylinder head/s – cylinder head
CYLINDER HEAD/S – CYLINDER HEAD
| Measurement | Value | Validity | ||
|---|---|---|---|---|
| Cylinder head lower surface flatness | 0.05 - 0.15 mm | 1.9 JTS 2.2 JTS | ||
| Combustion chamber minimum permitted height | 12.75 mm | 1.9 JTS 2.2 JTS | ||
| Cylinder head lower surface flatness | 0.1 mm | 1.9 JTD 8V 2.4 JTD 20V | ||
| Cylinder head lower surface flatness | 0.05 mm | 1.8 | ||
| Cylinder head lower surface flatness | 0.1 ± 0.05 mm | 1.9 JTD 16V | ||
| Cylinder head support surface flatness | < 0.1 mm | 1.9 JTD 8V 1.9 JTD 16V | ||
| Cylinder head lower plane minimum permitted height | 107.0 ± 0.05 mm | 1.9 JTD 16V | ||
| Cylinder head lower plane minimum permitted height | 140.85 - 141.15 mm | 1.9 JTD 8V | ||
| Cylinder head lower plane minimum permitted height | 107.0 ± 0.05 mm | 2.4 JTD 20V | ||
| Cylinder head gasket size with average maximum piston projection | projection -0.020 - +0.100 mm thickness (no opening) 0.82 ± 0.05 mm | 1.9 JTD 16V 2.4 JTD 20V | ||
| Cylinder head gasket size with average maximum piston projection | projection +0.101 - +0.200 mm thickness (one opening) 0.92 ± 0.05 mm | 1.9 JTD 16V 2.4 JTD 20V | ||
| Cylinder head gasket size with average maximum piston projection | projection +0.201 - +0.295 mm thickness (two openings) 1.02 ± 0.05 mm | 1.9 JTD 16V 2.4 JTD 20V | ||
| Cylinder head gasket size with average maximum piston projection | projection 0.014 - 0.104 mm thickness (no reference) 0.770 - 0.870 mm | |||
| Cylinder head gasket size with average maximum piston projection | projection 0.105 - 0.205 mm thickness (one reference) 0.870 - 0.970 mm | |||
| Cylinder head gasket size with average maximum piston projection | projection 0.206 - 0.294 mm thickness (two references) 0.970 - 1.070 mm | |||
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