Timing system – camshafts
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Engine unit › Timing system – camshafts
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Manufacturing data and tolerancesTiming system – camshafts
TIMING SYSTEM – CAMSHAFTS
| Measurement | Value | Validity |
|---|---|---|
| Nominal inlet cam lift | 10.30 mm | 1.9 JTS 2.2 JTS |
| Nominal inlet cam lift | 11 mm | 3.2 JTS |
| Nominal exhaust cam lift | 10.30 mm | 1.9 JTS 2.2 JTS |
| Nominal inlet/exhaust cam lift | 8.0 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Nominal inlet cam lift | 8.5 mm | 1.9 JTD 8V |
| Nominal exhaust cam lift | 9.0 mm | 1.9 JTD 8V |
| Camshaft first journal diameter | 43.600 - 43.615 mm | 1.9 JTD 16V |
| Camshaft second journal diameter | 43.400 - 43.415 mm | 1.9 JTD 16V |
| Camshaft third journal diameter | 43.200 - 43.215 mm | 1.9 JTD 16V |
| Camshaft fourth journal diameter | 43.000 - 43.015 mm | 1.9 JTD 16V |
| Camshaft fifth journal diameter | 30.000 - 30.015 mm | 1.9 JTD 16V |
| Camshaft journal diameter | 26.000 - 26.015 mm | 1.9 JTD 8V |
| Diameter of inlet and exhaust shaft first bearing | 43.800 - 43.815 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft second bearing | 43.600 - 43.615 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft third bearing | 43.400 - 43.415 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft fourth bearing | 43.200 - 43.215 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft fifth bearing | 43.000 - 43.015 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft sixth bearing | 30.000 - 30.015 mm | 2.4 JTD 20V |
| Camshaft journal diameter | 26.936 - 26.960 mm | 3.2 JTS |
| Camshaft first support diameter | 43.646 - 43.671 mm | 1.9 JTD 16V |
| Camshaft second support diameter | 43.446 - 43.471 mm | 1.9 JTD 16V |
| Camshaft third support diameter | 43.246 - 43.271 mm | 1.9 JTD 16V |
| Camshaft fourth support diameter | 43.046 - 43.071 mm | 1.9 JTD 16V |
| Camshaft fifth support diameter | 30.045 - 30.070 mm | 1.9 JTD 16V |
| Diameter of camshaft mounts | 26.045 - 26.070 mm | 1.9 JTD 8V |
| Diameter of camshaft mounts | 27.000 - 27.020 mm | 3.2 JTS |
| Camshaft support diameter - timing side | 35.000 - 35.020 mm | 3.2 JTS |
| Diameter of inlet and exhaust shaft first bearing | 43.846 - 43.871 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft second support | 43.646 - 43.671 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft third support | 43.446 - 43.471 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft fourth support | 43.246 - 43.271 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft fifth support | 43.046 - 43.071 mm | 2.4 JTD 20V |
| Diameter of inlet and exhaust shaft sixth support | 30.045 - 30.070 mm | 2.4 JTD 20V |
| Camshaft end float | 0.100 - 0.230 mm | 1.9 JTD 8V |
‹ Prev Pistons and connecting rods – connecting rodsNext › Emission control system – co exhaust emissions
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