Install exhaust camshaft (cylinder head removed)

Clean all bearing positions (1) and coat with motor oil.

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Clean all bearing positions of the exhaust camshaft bearing caps (A1) to (A4) and (A) and coat with engine oil.
Clean the bearing positions (1) of the high pressure pump bracket and coat with motor oil.

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

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Check all roller cam follower (1) of the exhaust side for correct fit.

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Insert the exhaust camshaft (1) into the cylinder head in such a way that the mark (2) points up.

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Check the fitting sleeves (1) of the thrust bearing for damage, replace if necessary.
Check the fitting sleeves (2) of the high pressure pump bracket for damage, replace if necessary.

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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.
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Fit all the exhaust camshaft bearing caps in such a way that the labelings (1) can be read from the intake side.
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.
Thread in all exhaust camshaft bearing caps (A1) to (A4) and exhaust camshaft bearing cap (A) and position.
Thread in the high-pressure pump bracket (1) and position.

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Check the tensile strength of the screws (1) for the bearing cap.
The illustration shows the screw with 8.8 tensile strength .

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Check the tensile strength of the screws (1) for the bearing cap.
The illustration shows the screw with 10.9 tensile strength .

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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 exhaust 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).

Fig 1: Exhaust Camshaft Bearing Cap Screws Tightening Sequence

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TIGHTENING TORQUES SPECIFICATION

Exhaust 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

Turn the special tool 2 410 670 by using the spindle nut (2) in arrow direction and slacken it.
Release the special tool 0 495 741 (11 8 552) and remove the special tool 2 410 670 from the roller cam followers (1).

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Install the roller tappet (1) in the high pressure pump bracket (2).

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