Remove all valves
Preliminary works
- Refer to INSTALLING THE CYLINDER HEAD ON THE SPECIAL TOOL .
- Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT (CYLINDER HEAD REMOVED) .
- Refer to REMOVING TORSION SPRINGS .
- Removing all gates. Refer to the appropriate information in DISASSEMBLING CYLINDER HEAD .
- Refer to REMOVING ALL INTERMEDIATE LEVERS .
- Refer to REMOVING INTAKE CAMSHAFT .
- Removing the servomotor for the eccentric shaft (cylinder head removed). Refer to the appropriate information in DISASSEMBLING CYLINDER HEAD .
- Refer to REMOVING ECCENTRIC SHAFT .
- Refer to REMOVING EXHAUST CAMSHAFT .
- Removing all roller cam followers. Refer to the appropriate information in DISASSEMBLING CYLINDER HEAD .
- Refer to REMOVING ALL VALVE SPRINGS .
- Refer to REPLACING THE VALVE STEM SEALS .
NOTE:
RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, operating failure or leaks.
Contaminant or foreign body.
Contamination can result in malfunctions, operating failure or leaks.
- Adhere to the utmost cleanliness.
- Protect components from contamination e.g. by covering.
- Close off line connections with seal plugs.
- B46/B48:
Rotate the special tool 0 494 366 (11 9 001) (2) on the crank (1) by 180° in the direction of arrow.
- Unlock the special tools 0 494 370 (11 9 005)
in the direction of the arrow.
- B46/B48:
Remove special tools 0 494 373 (11 9 008) if necessary.
- Slide the valve stem (1)
in the direction of arrow
in the cylinder head.
- Remove the valve (1) and position in special tool 0 495 105 (11 4 480)
in order.
