Installing the intake camshaft (cylinder head removed)
- Clean all the bearing positions (arrows) and coat with motor oil.
- Clean all the bearing positions of the intake camshaft bearing cap (E1) to (E6) and (E) and coat with engine oil.
- Clean all the bearing positions (arrows) of the intake camshaft and coat with motor oil.
- Check the fitting sleeves (1) of the thrust bearing (2) for damage, replace if necessary.
- Check all the roller cam followers (1) of the intake side for correct fit.
- Insert the intake camshaft (1) into the cylinder head in such a way that the mark (2) points up.NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets .
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur .- Always install all bearing shells and bearing brackets in the same position from which they were removed.
- Thread in all intake camshaft bearing caps (E1) to (E6) and intake camshaft bearing cap (E) and position.
- Check the tensile strength of the screws (1) for the bearing cap.
The illustration shows the screw with 8.8 tensile strength .
- Check the tensile strength of the screws (1) for the bearing cap.
The illustration shows the screw with 10.9 tensile strength .
NOTE: TECHNICAL INFORMATION
The camshaft is under tension due to the valve springs. Tighten or loosen each screw on the camshaft bearing caps in the prescribed sequence only by half a turn. Repeat procedure. - Press down the intake camshaft bearing cap and hand-tighten the screws step-by-step in the sequence (1) to (14).
- Bring all screws in the sequence (1) to (14) in half turns onto the surface.
- Observe the joining torque .
- Tighten all the screws in the sequence (1) to (14).
TIGHTENING TORQUE SPECIFICATIONS
| Intake camshaft to cylinder head | ||
| M6 Tensile strength of screw 8.8 |
Joining torque | 9.6 Nm |
| tightening torque | 9.6 Nm | |
| M6 Tensile strength of screw 10.9 |
Joining torque | 11.8 Nm |
| tightening torque | 11.8 Nm | |