P05.20-2211-09
2 Markings
3 Markings
4 Camshafts
5 Hold-down
| Removing | ||
1 | Remove camshaft timing gear from camshafts (4) | Only detach camshaft timing gear from camshaft (4). | |
2 | Remove hold-down device (5) | Hold-down device set | |
3 | Remove camshafts (4) | ||
| Checking | ||
4 | Inspect ease of operation of compensation element. | Press compensation element with a suitable pin and normal force of the hand. Do not use a steel tool. If the pressure is too great the valve opens and the compensation element drops a little. The compensation element is not faulty. | |
If one compensation element drops in comparison with the others without great pressure, see: | |||
Remove/install hydraulic valve clearance compensation elements | |||
If several compensation elements drop, inspect oil gallery and oil feed drillings of the compensation elements for impurities. | |||
| Installing | ||
5 | Lubricate the compensation elements and camshaft bearing points | ||
6 | Insert the camshafts (4) | Observe assignment of camshaft code numbers. | |
Left cylinder head | |||
Right cylinder head | |||
7 | Align camshafts (4) | The markings (2) on the gearwheels must be positioned opposite each other. The markings (3) on the gearwheels must be aligned with the cylinder head and lie on the left side. | |
8 | Fit hold-down device (5) | Hold-down device set | |
9 | Install camshaft timing gear |
Camshaft code numbers
Number | Designation | Engine | ||
BE05.20-N-1001-01D | Left cylinder head | Inlet | A 642 10 | |
Outlet | A 642 12 | |||
BE05.20-N-1002-01D | Right cylinder head | Inlet | A 642 09 | |
Outlet | A 642 11 | |||
Hold-down device set
642 589 00 31 00