Install intake camshaft
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- Coat all bearing positions (1)
with fresh motor oil.
- Check the fitting sleeves (1)
for correct fit and damage and replace as needed.
- Insert the intake camshaft (1)
into the cylinder head in such a way that the mark (2)
points up.NOTE: TECHNICAL INFORMATION
The camshaft bearing caps must not be mixed up. The camshaft bearing caps must be installed in the installation position from which they were removed. - Position the intake camshaft bearing cap on the cylinder head.NOTE: The intake camshaft bearing caps are legibly labeled from the intake side with E1, E2, E3, E4 and E.NOTE: Intake camshaft bearing cap E is a thrust bearing.
- Check the tensile strength of the screws for the bearing caps.
The graphic shows the screw with the tensile strength of 8.8 .
- Check the tensile strength of the screws for the bearing caps.
The graphic shows the screw with the tensile strength of 10.9 .
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 stepwise apply the screws in the order (1) to (10) until hand-tight.
- Join the screws in sequence (1) to (10) in half turns .
- Observe the joining torque .
- Tighten all screws in the sequence from (1) to (10) .
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 | |