Install intake camshaft

Check the fitting sleeves for correct fit and damage and replace if necessary.

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Coat all bearing positions (1) with fresh motor oil.

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Clean all bearing positions of the intake camshaft bearing cap (E1), (E2), (E3), (E4) and (E) and coat with motor oil.

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Clean all the bearing positions (arrows) of the intake camshaft (1) and coat with motor oil.

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Before installing the intake camshaft, check the correct seat of the roller cam follower (1).
Coat the roller cam follower (1) with fresh motor oil.

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Insert the intake camshaft into the cylinder head in such a way that the mark (1) points up.

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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 (E1), (E2), (E3), (E4) and (E) 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.

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Check the tensile strength of the screws for the bearing caps.
The illustration shows the screws with a tensile strength of 8.8.

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Check the tensile strength of the screws for the bearing caps.
The illustration shows the screws with a tensile strength of 10.9.

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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 screws in the sequence (1) to (10) step-wise.
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).

Fig 1: Intake Camshaft Bearing Caps Screws Tightening Sequence

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TIGHTENING TORQUES SPECIFICATION

Intake camshaft to cylinder head
M6 Tensile strength of screw 8.8	Joining torque	9.6 Nm
M6 Tensile strength of screw 8.8	Tightening torque	9.6 Nm
M6 Tensile strength of screw 10.9	Joining torque	11.8 Nm
M6 Tensile strength of screw 10.9	Tightening torque	11.8 Nm