Installing the intake camshaft (cylinder head removed)
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- Clean all the bearing positions (arrows) and coat with motor oil.
- Clean all bearing positions of intake camshaft bearing caps (E1), (E2), (E3), (E4), (E5), (E6) and (E) coat with motor 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 (2) into the cylinder head in such a way that the mark (1) 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 .
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.
NOTE:
RISK OF DAMAGE
Improper screw length can cause component damage .
The use of screws of improper length can lead to component damage .
Improper screw length can cause component damage .
The use of screws of improper length can lead to component damage .
- Note the correct screw length.
- Install screws that correspond to the original length.
- Ensure that the screw (1) M6X35 is installed again in the same place .
- Ensure that the screw (2) M6X65 is installed again in the same place .
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.
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 the intake camshaft bearing cap down and hand-tighten the screws incrementally in sequence (1) to (14).
- Abut all screws in the sequence from (1) to (14) in half turns .
- Observe the joining torque .
- Tighten all screws in a sequence from (1) to (14).
TIGHTENING TORQUE SPECIFICATIONS
| Intake camshaft to cylinder head | ||
|---|---|---|
| M6 Tensile strength of screw 8.8 |
Tightening torque | 8.6 Nm |
| M6 Tensile strength of screw 10.9 |
Tightening torque | 11.8 Nm |